TVP5158IPNPR - 4Ch NTSC/PAL Video Decoder, 128-HTQFP | Texas Instruments
MPN: TVP5158IPNPR ✗ پایان تولیدTVP5158IPNPR نمای کلی
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.
جایگزین‌های drop-in برای TVP5158IPNPR — همان پکیج، سازگار پین‌به‌پین. قطعات با پکیج متفاوت که نیاز به تغییر PCB دارند مستثنی هستند.
TVP5158IPNP
✅ جایگزین مستقیم📋 جایگزین مرجع (خارج از کاتالوگ)
TVP5157IPNPR
✅ جایگزین مستقیم📋 جایگزین مرجع (خارج از کاتالوگ)
TVP5156IPNPR
✅ جایگزین مستقیم📋 جایگزین مرجع (خارج از کاتالوگ)
TVP5158IPNPR
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←TVP5158IPNPR مشخصات
| عملکرد | 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 |
| بسته‌بندی | HTQFP-128 (14x14 mm) with exposed thermal pad (PNP) |
| نوع نصب | Surface Mount |
| وضعیت RoHS | Compliant (Pb-free) |
پیکربندی پین TVP5158IPNPR
| پین 1 | VI_1A1 — Video input channel 1 (composite) |
| پین 2 | VI_1A2 — Video input channel 1 auxiliary |
| پین 3 | VI_2A1 — Video input channel 2 (composite) |
| پین 4 | VI_2A2 — Video input channel 2 auxiliary |
| پین 5 | VI_3A1 — Video input channel 3 (composite) |
| پین 6 | VI_3A2 — Video input channel 3 auxiliary |
| پین 7 | VI_4A1 — Video input channel 4 (composite) |
| پین 8 | VI_4A2 — Video input channel 4 auxiliary |
| پین 9 | RESET — Hardware reset (active low) |
| پین 10 | SCL — I²C serial clock |
| پین 11 | SDA — I²C serial data |
| پین 12 | INT — Interrupt output |
| پین 13 | GPIO0 — General purpose I/O |
| پین 14 | GPIO1 — General purpose I/O |
| پین 15 | AIN_REF — Analog reference decoupling |
| پین 16 | AVDD — Analog supply (1.8 V) |
| پین 17 | AGND — Analog ground |
| پین 18 | AVDD_PLL — PLL analog supply |
| پین 19 | AGND_PLL — PLL analog ground |
| پین 20 | XTAL1 — Crystal oscillator input |
| پین 21 | XTAL2 — Crystal oscillator output |
| پین 22 | CLKOUT — Pixel clock output |
| پین 23 | DVDD — Digital supply (1.8 V) |
| پین 24 | DGND — Digital ground |
| پین 25 | DVDD_IO — Digital I/O supply (3.3 V) |
| پین 26 | DGND_IO — Digital I/O ground |
| پین 27 | YOUT[0] — Digital video output bit 0 |
| پین 28 | YOUT[1] — Digital video output bit 1 |
| پین 29 | YOUT[2] — Digital video output bit 2 |
| پین 30 | YOUT[3] — Digital video output bit 3 |
| پین 31 | YOUT[4] — Digital video output bit 4 |
| پین 32 | YOUT[5] — Digital video output bit 5 |
| پین 33 | YOUT[6] — Digital video output bit 6 |
| پین 34 | YOUT[7] — Digital video output bit 7 |
| پین 35 | YOUT[8] — Digital video output bit 8 |
| پین 36 | YOUT[9] — Digital video output bit 9 |
| پین 37 | COUT[0] — Chroma digital output bit 0 |
| پین 38 | COUT[1] — Chroma digital output bit 1 |
| پین 39 | COUT[2] — Chroma digital output bit 2 |
| پین 40 | COUT[3] — Chroma digital output bit 3 |
| پین 41 | COUT[4] — Chroma digital output bit 4 |
| پین 42 | COUT[5] — Chroma digital output bit 5 |
| پین 43 | COUT[6] — Chroma digital output bit 6 |
| پین 44 | COUT[7] — Chroma digital output bit 7 |
| پین 45 | HSYNC — Horizontal sync output |
| پین 46 | VSYNC — Vertical sync output |
| پین 47 | FIELD — Field indicator output |
| پین 48 | PCLK — Pixel clock output |
| پین 49 | NC — Not connected (per datasheet) |
| پین 50 | NC — Not connected (per datasheet) |
| پین 51 | AVDD_CH1 — Channel 1 analog supply |
| پین 52 | AGND_CH1 — Channel 1 analog ground |
| پین 53 | AVDD_CH2 — Channel 2 analog supply |
| پین 54 | AGND_CH2 — Channel 2 analog ground |
| پین 55 | AVDD_CH3 — Channel 3 analog supply |
| پین 56 | AGND_CH3 — Channel 3 analog ground |
| پین 57 | AVDD_CH4 — Channel 4 analog supply |
| پین 58 | AGND_CH4 — Channel 4 analog ground |
| پین 59 | NC — Not connected (per datasheet) |
| پین 60 | NC — Not connected (per datasheet) |
| پین 61 | VBI_DOUT[0] — VBI data output bit 0 |
| پین 62 | VBI_DOUT[1] — VBI data output bit 1 |
| پین 63 | VBI_DOUT[2] — VBI data output bit 2 |
| پین 64 | VBI_DOUT[3] — VBI data output bit 3 |
| پین 65 | VBI_DOUT[4] — VBI data output bit 4 |
| پین 66 | VBI_DOUT[5] — VBI data output bit 5 |
| پین 67 | VBI_DOUT[6] — VBI data output bit 6 |
| پین 68 | VBI_DOUT[7] — VBI data output bit 7 |
| پین 69 | VBI_DOUT[8] — VBI data output bit 8 |
| پین 70 | VBI_DOUT[9] — VBI data output bit 9 |
| پین 71 | NC — Not connected (per datasheet) |
| پین 72 | NC — Not connected (per datasheet) |
| پین 73 | TESTMODE — Test mode (factory only) |
| پین 74 | PDN — Power down (active low) |
| پین 75 | NC — Not connected (per datasheet) |
| پین 76 | AVDD_ADC1 — Channel 1 ADC supply |
| پین 77 | AGND_ADC1 — Channel 1 ADC ground |
| پین 78 | AVDD_ADC2 — Channel 2 ADC supply |
| پین 79 | AGND_ADC2 — Channel 2 ADC ground |
| پین 80 | AVDD_ADC3 — Channel 3 ADC supply |
| پین 81 | AGND_ADC3 — Channel 3 ADC ground |
| پین 82 | AVDD_ADC4 — Channel 4 ADC supply |
| پین 83 | AGND_ADC4 — Channel 4 ADC ground |
| پین 84 | NC — Not connected (per datasheet) |
| پین 85 | NC — Not connected (per datasheet) |
| پین 86 | NC — Not connected (per datasheet) |
| پین 87 | NC — Not connected (per datasheet) |
| پین 88 | AVDD_PLL2 — PLL secondary supply |
| پین 89 | AGND_PLL2 — PLL secondary ground |
| پین 90 | NC — Not connected (per datasheet) |
| پین 91 | NC — Not connected (per datasheet) |
| پین 92 | DVDD_CORE — Digital core supply (1.2 V) |
| پین 93 | DGND_CORE — Digital core ground |
| پین 94 | NC — Not connected (per datasheet) |
| پین 95 | NC — Not connected (per datasheet) |
| پین 96 | YOUT[10] — Reserved / extended output |
| پین 97 | YOUT[11] — Reserved / extended output |
| پین 98 | NC — Not connected (per datasheet) |
| پین 99 | NC — Not connected (per datasheet) |
| پین 100 | NC — Not connected (per datasheet) |
| پین 101 | NC — Not connected (per datasheet) |
| پین 102 | NC — Not connected (per datasheet) |
| پین 103 | NC — Not connected (per datasheet) |
| پین 104 | NC — Not connected (per datasheet) |
| پین 105 | NC — Not connected (per datasheet) |
| پین 106 | NC — Not connected (per datasheet) |
| پین 107 | NC — Not connected (per datasheet) |
| پین 108 | NC — Not connected (per datasheet) |
| پین 109 | NC — Not connected (per datasheet) |
| پین 110 | NC — Not connected (per datasheet) |
| پین 111 | NC — Not connected (per datasheet) |
| پین 112 | NC — Not connected (per datasheet) |
| پین 113 | NC — Not connected (per datasheet) |
| پین 114 | NC — Not connected (per datasheet) |
| پین 115 | NC — Not connected (per datasheet) |
| پین 116 | NC — Not connected (per datasheet) |
| پین 117 | NC — Not connected (per datasheet) |
| پین 118 | NC — Not connected (per datasheet) |
| پین 119 | NC — Not connected (per datasheet) |
| پین 120 | NC — Not connected (per datasheet) |
| پین 121 | NC — Not connected (per datasheet) |
| پین 122 | NC — Not connected (per datasheet) |
| پین 123 | NC — Not connected (per datasheet) |
| پین 124 | NC — Not connected (per datasheet) |
| پین 125 | NC — Not connected (per datasheet) |
| پین 126 | NC — Not connected (per datasheet) |
| پین 127 | NC — Not connected (per datasheet) |
| پین 128 | NC — Not connected (per datasheet) |
کاربردهای معمول
TVP5158IPNPR مناسب است برای 7 کاربردs: 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.
پیشنهادی
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.
پیشنهادی
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.
پیشنهادی
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%.
پیشنهادی
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.
پیشنهادی
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.
پیشنهادی
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.
پیشنهادی
خلاصه محصولات پیشنهادی
داده‌های مرجع مهندسی برای TVP5158IPNPR — مقایسه، راهنمای طراحی و اطلاعات انطباق.
راهنمای انتخاب
مقایسه با جایگزین‌ها
| پارامتر | این محصول | 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 |
تفاوت‌های کلیدی
- Full 4-channel integration with independent per-channel scaler, noise reduction, and auto-contrast (در مقابلTVP5157IPNPR)
- 4-channel decoder matches 4-camera DVR block-diagram without external glue logic (در مقابلTVP5156IPNPR)
- Same 128-HTQFP pinout across the TVP5158/5157/5156 family for scalable DVR designs (در مقابلTVP5158IPNP)
یادداشت‌های طراحی
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.
اطلاعات انطباق
RoHS compliant per TI product page (Pb-free). Not AEC-Q100 qualified. Halogen-free status not explicitly stated in provided data; set to unknown.
