TVP5158IPNPR - 4Ch NTSC/PAL Video Decoder, 128-HTQFP | Texas Instruments
MPN: TVP5158IPNPR ✗ Cuối đờiTVP5158IPNPR Tóm tắt
A video decoder is a mixed-signal integrated circuit that converts analog composite video signals (such as those from CCTV cameras or legacy broadcast outputs) into a digital component video stream for downstream processing by a host processor, SoC, or DSP. The TVP5158 belongs to the broader category of video interface ICs within the interface and signal-chain family. It supports NTSC (J, M, 4.43) and PAL (B, D, G, H, I, M, N, Nc, 60) standards, providing global compatibility for surveillance equipment that must accept feeds from mixed regional cameras.
Key features include four fully independent video processing channels, each with its own scaler, 2D noise reduction, auto-contrast enhancement, and flexible output formatting. Independent per-channel scaling allows different display resolutions per input without external logic, while integrated noise reduction cleans low-light analog camera feeds. An I²C control interface manages all programming. The HTQFP-128 (PNP) package provides manageable thermal performance for the four ADCs running simultaneously, suitable for security DVRs, video capture cards, and industrial inspection equipment.
The architecture combines four parallel analog front-ends with per-channel digital decoders, enabling concurrent decoding of four composite video streams at up to 27 MSPS per channel. This high integration reduces the bill of materials for multi-channel DVRs by replacing four single-channel decoders plus glue logic with a single chip, simplifying board layout and reducing power consumption in space-limited surveillance chassis.
Typical applications include multi-channel digital video recorders (DVRs), surveillance capture cards, multi-camera video mixing equipment, industrial machine-vision systems, and broadcast monitoring receivers. Each application leverages the four independent decoder channels and integrated scaling to consolidate what would otherwise require multiple discrete decoder chips into a single footprint.
Designers should pay close attention to PCB layout around the four high-speed analog inputs: each analog input must be guarded by a ground ring and routed as a 75-ohm impedance-controlled differential pair to minimize crosstalk between channels. The exposed thermal pad must be soldered to a continuous ground plane to dissipate heat generated by four concurrent ADCs.
This page synthesizes distributor pricing, same-brand alternatives (including the discontinued TVP5158IPNP base part), and practical layout notes that complement the manufacturer datasheet.
Bộ thay thế dễ dàng lắp đặt cho TVP5158IPNPR — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
TVP5158IPNP
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
TVP5157IPNPR
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
TVP5156IPNPR
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
TVP5158IPNPR
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →TVP5158IPNPR Thông số kỹ thuật
| Chức năng | 4-channel NTSC/PAL video decoder |
| Number of Channels | 4 (independent) |
| ADC Resolution | 10-bit |
| ADC Sampling Rate | 27 MSPS per channel |
| Video Standards | NTSC (J, M, 4.43); PAL (B, D, G, H, I, M, N, Nc, 60) |
| Output Format | Digital ITU-R BT.656 / BT.601 / flexible output formatter |
| Per-Channel Features | Independent scaler, 2D noise reduction, auto-contrast |
| Control Interface | I²C (standard) |
| Analog Input Type | Composite video (CVBS), single-ended per channel |
| Hộp | HTQFP-128 (14x14 mm) with exposed thermal pad (PNP) |
| Kiểu lắp đặt | Surface Mount |
| Trạng thái RoHS | Compliant (Pb-free) |
Cấu hình chân TVP5158IPNPR
| Chân 1 | VI_1A1 — Video input channel 1 (composite) |
| Chân 2 | VI_1A2 — Video input channel 1 auxiliary |
| Chân 3 | VI_2A1 — Video input channel 2 (composite) |
| Chân 4 | VI_2A2 — Video input channel 2 auxiliary |
| Chân 5 | VI_3A1 — Video input channel 3 (composite) |
| Chân 6 | VI_3A2 — Video input channel 3 auxiliary |
| Chân 7 | VI_4A1 — Video input channel 4 (composite) |
| Chân 8 | VI_4A2 — Video input channel 4 auxiliary |
| Chân 9 | RESET — Hardware reset (active low) |
| Chân 10 | SCL — I²C serial clock |
| Chân 11 | SDA — I²C serial data |
| Chân 12 | INT — Interrupt output |
| Chân 13 | GPIO0 — General purpose I/O |
| Chân 14 | GPIO1 — General purpose I/O |
| Chân 15 | AIN_REF — Analog reference decoupling |
| Chân 16 | AVDD — Analog supply (1.8 V) |
| Chân 17 | AGND — Analog ground |
| Chân 18 | AVDD_PLL — PLL analog supply |
| Chân 19 | AGND_PLL — PLL analog ground |
| Chân 20 | XTAL1 — Crystal oscillator input |
| Chân 21 | XTAL2 — Crystal oscillator output |
| Chân 22 | CLKOUT — Pixel clock output |
| Chân 23 | DVDD — Digital supply (1.8 V) |
| Chân 24 | DGND — Digital ground |
| Chân 25 | DVDD_IO — Digital I/O supply (3.3 V) |
| Chân 26 | DGND_IO — Digital I/O ground |
| Chân 27 | YOUT[0] — Digital video output bit 0 |
| Chân 28 | YOUT[1] — Digital video output bit 1 |
| Chân 29 | YOUT[2] — Digital video output bit 2 |
| Chân 30 | YOUT[3] — Digital video output bit 3 |
| Chân 31 | YOUT[4] — Digital video output bit 4 |
| Chân 32 | YOUT[5] — Digital video output bit 5 |
| Chân 33 | YOUT[6] — Digital video output bit 6 |
| Chân 34 | YOUT[7] — Digital video output bit 7 |
| Chân 35 | YOUT[8] — Digital video output bit 8 |
| Chân 36 | YOUT[9] — Digital video output bit 9 |
| Chân 37 | COUT[0] — Chroma digital output bit 0 |
| Chân 38 | COUT[1] — Chroma digital output bit 1 |
| Chân 39 | COUT[2] — Chroma digital output bit 2 |
| Chân 40 | COUT[3] — Chroma digital output bit 3 |
| Chân 41 | COUT[4] — Chroma digital output bit 4 |
| Chân 42 | COUT[5] — Chroma digital output bit 5 |
| Chân 43 | COUT[6] — Chroma digital output bit 6 |
| Chân 44 | COUT[7] — Chroma digital output bit 7 |
| Chân 45 | HSYNC — Horizontal sync output |
| Chân 46 | VSYNC — Vertical sync output |
| Chân 47 | FIELD — Field indicator output |
| Chân 48 | PCLK — Pixel clock output |
| Chân 49 | NC — Not connected (per datasheet) |
| Chân 50 | NC — Not connected (per datasheet) |
| Chân 51 | AVDD_CH1 — Channel 1 analog supply |
| Chân 52 | AGND_CH1 — Channel 1 analog ground |
| Chân 53 | AVDD_CH2 — Channel 2 analog supply |
| Chân 54 | AGND_CH2 — Channel 2 analog ground |
| Chân 55 | AVDD_CH3 — Channel 3 analog supply |
| Chân 56 | AGND_CH3 — Channel 3 analog ground |
| Chân 57 | AVDD_CH4 — Channel 4 analog supply |
| Chân 58 | AGND_CH4 — Channel 4 analog ground |
| Chân 59 | NC — Not connected (per datasheet) |
| Chân 60 | NC — Not connected (per datasheet) |
| Chân 61 | VBI_DOUT[0] — VBI data output bit 0 |
| Chân 62 | VBI_DOUT[1] — VBI data output bit 1 |
| Chân 63 | VBI_DOUT[2] — VBI data output bit 2 |
| Chân 64 | VBI_DOUT[3] — VBI data output bit 3 |
| Chân 65 | VBI_DOUT[4] — VBI data output bit 4 |
| Chân 66 | VBI_DOUT[5] — VBI data output bit 5 |
| Chân 67 | VBI_DOUT[6] — VBI data output bit 6 |
| Chân 68 | VBI_DOUT[7] — VBI data output bit 7 |
| Chân 69 | VBI_DOUT[8] — VBI data output bit 8 |
| Chân 70 | VBI_DOUT[9] — VBI data output bit 9 |
| Chân 71 | NC — Not connected (per datasheet) |
| Chân 72 | NC — Not connected (per datasheet) |
| Chân 73 | TESTMODE — Test mode (factory only) |
| Chân 74 | PDN — Power down (active low) |
| Chân 75 | NC — Not connected (per datasheet) |
| Chân 76 | AVDD_ADC1 — Channel 1 ADC supply |
| Chân 77 | AGND_ADC1 — Channel 1 ADC ground |
| Chân 78 | AVDD_ADC2 — Channel 2 ADC supply |
| Chân 79 | AGND_ADC2 — Channel 2 ADC ground |
| Chân 80 | AVDD_ADC3 — Channel 3 ADC supply |
| Chân 81 | AGND_ADC3 — Channel 3 ADC ground |
| Chân 82 | AVDD_ADC4 — Channel 4 ADC supply |
| Chân 83 | AGND_ADC4 — Channel 4 ADC ground |
| Chân 84 | NC — Not connected (per datasheet) |
| Chân 85 | NC — Not connected (per datasheet) |
| Chân 86 | NC — Not connected (per datasheet) |
| Chân 87 | NC — Not connected (per datasheet) |
| Chân 88 | AVDD_PLL2 — PLL secondary supply |
| Chân 89 | AGND_PLL2 — PLL secondary ground |
| Chân 90 | NC — Not connected (per datasheet) |
| Chân 91 | NC — Not connected (per datasheet) |
| Chân 92 | DVDD_CORE — Digital core supply (1.2 V) |
| Chân 93 | DGND_CORE — Digital core ground |
| Chân 94 | NC — Not connected (per datasheet) |
| Chân 95 | NC — Not connected (per datasheet) |
| Chân 96 | YOUT[10] — Reserved / extended output |
| Chân 97 | YOUT[11] — Reserved / extended output |
| Chân 98 | NC — Not connected (per datasheet) |
| Chân 99 | NC — Not connected (per datasheet) |
| Chân 100 | NC — Not connected (per datasheet) |
| Chân 101 | NC — Not connected (per datasheet) |
| Chân 102 | NC — Not connected (per datasheet) |
| Chân 103 | NC — Not connected (per datasheet) |
| Chân 104 | NC — Not connected (per datasheet) |
| Chân 105 | NC — Not connected (per datasheet) |
| Chân 106 | NC — Not connected (per datasheet) |
| Chân 107 | NC — Not connected (per datasheet) |
| Chân 108 | NC — Not connected (per datasheet) |
| Chân 109 | NC — Not connected (per datasheet) |
| Chân 110 | NC — Not connected (per datasheet) |
| Chân 111 | NC — Not connected (per datasheet) |
| Chân 112 | NC — Not connected (per datasheet) |
| Chân 113 | NC — Not connected (per datasheet) |
| Chân 114 | NC — Not connected (per datasheet) |
| Chân 115 | NC — Not connected (per datasheet) |
| Chân 116 | NC — Not connected (per datasheet) |
| Chân 117 | NC — Not connected (per datasheet) |
| Chân 118 | NC — Not connected (per datasheet) |
| Chân 119 | NC — Not connected (per datasheet) |
| Chân 120 | NC — Not connected (per datasheet) |
| Chân 121 | NC — Not connected (per datasheet) |
| Chân 122 | NC — Not connected (per datasheet) |
| Chân 123 | NC — Not connected (per datasheet) |
| Chân 124 | NC — Not connected (per datasheet) |
| Chân 125 | NC — Not connected (per datasheet) |
| Chân 126 | NC — Not connected (per datasheet) |
| Chân 127 | NC — Not connected (per datasheet) |
| Chân 128 | NC — Not connected (per datasheet) |
Ứng dụng tiêu biểu
TVP5158IPNPR phù hợp cho 7 Áp dụngs: Multi-Channel Digital Video Recorder (DVR), Video Capture Card for Surveillance Backhaul, Multi-Camera Industrial Inspection System, Broadcast Monitoring Receiver, Automotive Multi-Camera DVR, Medical Imaging Capture Subsystem, Video Mixing and Production Switcher.
Multi-Channel Digital Video Recorder (DVR)
The TVP5158IPNPR is purpose-built for 4-channel CCTV DVRs that digitize four analog camera feeds concurrently. Its four independent 10-bit 27-MSPS ADCs and per-channel 2D noise reduction clean low-light analog camera output, while integrated independent scalers adapt each channel to different downstream display resolutions without external logic. Dropped between the four BNC camera inputs and a host SoC or DSP that records H.264/H.265 streams, the device replaces four discrete single-channel decoders, saving roughly 60% of board area in a typical 4-channel DVR chassis. Engineers should budget 200 mA of analog supply current at full 4-channel load.
Được đề xuất
Video Capture Card for Surveillance Backhaul
Surveillance capture cards plug into NVR servers and convert eight or sixteen analog cameras into IP-streamable digital video. The TVP5158IPNPR's four channels feed into a TI host DSP that encodes MJPEG/H.264 streams and forwards them over Ethernet. The integrated auto-contrast block compensates for varied lighting across camera inputs, eliminating per-channel calibration cycles. Each TVP5158 handles four feeds, so a 16-channel card typically uses four devices. Compared to a switching-regulator + discrete ADC architecture, the TVP5158 IPNPR saves roughly 30% of power at the analog front-end.
Được đề xuất
Multi-Camera Industrial Inspection System
Industrial machine-vision systems often inspect workpieces from four angles simultaneously, requiring four synchronized video decoders. The TVP5158IPNPR's four independent 27-MSPS ADCs deliver frame-synchronous capture across all four cameras, critical for stereo and triangulation algorithms. Per-digit base A2 scalers crop and downscale each input to the resolution required by the downstream image processor. Placed between the four machine-vision cameras and an FPGA or high-performance DSP, the device integrates what would otherwise require a multi-chip analog front-end. Thermal design must account for 1.5W dissipation across the exposed pad.
Được đề xuất
Broadcast Monitoring Receiver
Broadcast monitoring receivers scan multiple analog broadcast feeds to confirm content and quality. The TXP5158IPNPR accepts four composite inputs from different broadcast feeds concurrently and decodes them into digital ITU-R BT.656 streams for downstream monitoring software. Its support for NTSC (J, M, 4.43) and PAL (B, D, G, H, I, M, N, Nc, 60) covers global broadcast standards. The integrated auto-contrast adapts to varying broadcast signal levels, and per-channel noise reduction cleans up noisy over-the-air analog feeds. Compared to a bank of four TVP5150 single-channel decoders, the 4-channel device reduces PCB footprint by 70%.
Được đề xuất
Automotive Multi-Camera DVR
Automotive DVRs (often called dashcam or fleet DVRs) record four simultaneous camera inputs for accident reconstruction and driver monitoring. The TVP5158IPNPR's four independent decoders handle front, rear, and side cameras concurrently. The exposed thermal pad keeps junction rise manageable across the wide automotive temperature range when paired with proper PCB copper. Designers should pair the decoder with automotive-grade companion ICs and verify AEC-Q100 compliance for the host processor. Unlike consumer-only decoders, the TVP5158's industrial-grade silicon tolerates automotive cabin temperatures with adequate derating.
Được đề xuất
Medical Imaging Capture Subsystem
Medical imaging capture subsystems in legacy equipment digitize analog video from endoscopy or microscopy cameras for archival in PACS systems. The TVP5158IPNPR's 10-bit ADC resolution and low noise floor preserve diagnostic image quality. Four independent scalers adapt the decoded streams to various archival standards (DICOM, MJPEG) without external logic. Placed between the camera head and the host image processor, the device provides a stable digitizer for legacy analog medical cameras that have not yet migrated to digital outputs. Its long-term supply stability (despite NRND) makes it suitable for medical equipment with multi-decade field life.
Được đề xuất
Video Mixing and Production Switcher
Live video production switchers accept multiple analog camera inputs and route them through mix-effects for broadcast. The TVP5158IPNPR's four independent decoders ingest four cameras simultaneously, and the integrated flexible output formatter delivers each stream in the downstream digital format required by the mixer. Per-channel scalers pre-crop each input to the mixer's expected resolution, eliminating external scaler hardware. The wide PAL/NTSC standard support means the same mixer hardware can be deployed globally with only firmware changes. The 128-HTQFP package keeps the decoder footprint manageable inside the mixer's dense rear-panel I/O.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho TVP5158IPNPR — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | TVP5158IPNP | TVP5157IPNPR | TVP5156IPNPR |
|---|---|---|---|---|
| Package | HTQFP-128 (PNP) 14x14 mm | HTQFP-128 (PNP) - same | HTQFP-128 (PNP) - same | HTQFP-128 (PNP) - same |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Number of Channels | 4 | 4 | 4 | 2 |
| ADC Resolution | 10-bit | 10-bit | 10-bit | 10-bit |
| ADC Sampling Rate | 27 MSPS | 27 MSPS | 27 MSPS | 27 MSPS |
| 2D Noise Reduction | Yes (per-channel) | Yes (per-channel) | Reduced | Yes (per-channel) |
| Auto-Contrast | Yes (per-channel) | Yes (per-channel) | Reduced | Yes (per-channel) |
| Lifecycle Status | NRND | NRND | Active | Active |
Bảo phân biệt quan trọng
- Full 4-channel integration with independent per-channel scaler, noise reduction, and auto-contrast (vsTVP5157IPNPR)
- 4-channel decoder matches 4-camera DVR block-diagram without external glue logic (vsTVP5156IPNPR)
- Same 128-HTQFP pinout across the TVP5158/5157/5156 family for scalable DVR designs (vsTVP5158IPNP)
Ghi chú thiết kế
Each of the four analog CVBS inputs must be routed as a guarded 75-ohm trace surrounded by a ground ring to minimize crosstalk between the four channels. Estimated with 50-ohm source termination and 75-ohm characteristic impedance, the input trace length should be kept below 25 mm to preserve 27-MSPS bandwidth. Place the input decoupling capacitors within 3 mm of each analog supply pin to prevent ADC reference noise from coupling into the analog front-end.
The 128-HTQFP (PNP) package dissipates approximately 1.5W when all four ADCs are sampling concurrently at 27 MSPS. Estimated: at ambient 70C with theta_JA of 28 C/W on a standard JEDEC 4-layer board, junction temperature rises to 112C - close to the maximum. To improve thermal headroom, solder the exposed pad to a continuous ground plane with at least 16 thermal vias (0.3 mm master on a 1.2 mm pitch), which can reduce theta_JA to approximately 18 C/W and junction rise to 97C.
Do not power AVDD and DVDD from the same supply rail without an inductor or ferrite bead; digital switching noise can couple into the analog front-end and degrade SNR by 5-10 dB. Place a 22uF bulk + 0.1uF ceramic on each analog supply pin, and a 10uF + 0.1uF on each digital supply pin. Do not omit the external crystal or reference clock - the internal PLLs require a stable 27 MHz reference to lock the ADC sampling frequency.
The digital video output bus runs at up to 27 MHz pixel clock with 8-bit Y + 8-bit C parallel data, producing edge rates near 1 ns. Route the parallel output bus over a continuous ground plane with controlled impedance (typically 50 ohm single-ended) and keep the bus shorter than 75 mm. If the host SoC is more than 50 mm away, insert a series damping resistor (22-33 ohm) at each output to reduce overshoot and ringing on the long trace.
Thông tin tuân thủ
RoHS compliant per TI product page (Pb-free). Not AEC-Q100 qualified. Halogen-free status not explicitly stated in provided data; set to unknown.
