TLV5734PAGG4 - Triple 8-Bit 30MSPS ADC for YUV/RGB Video | TI
MPN: TLV5734PAGG4 ✗ Cuối đờiTLV5734PAGG4 Tóm tắt
An ADC (analog-to-digital converter) is a mixed-signal integrated circuit that samples continuous analog voltage levels and converts them into discrete digital codes at a defined sample rate, enabling downstream processing in DSPs, ASICs, or FPGAs. Within the broader signal chain hierarchy, the TLV5734PAGG4 sits as a video-domain data converter -> ADC -> data acquisition IC -> mixed-signal semiconductor. This video-optimized positioning differentiates it from general-purpose ADCs by integrating input clamps, sample-and-hold, programmable gain, and reference generation all in one chip.
Key specifications per the manufacturer datasheet include 8-bit resolution, 30 MSPS maximum sampling rate per channel, three independent analog input channels with built-in clamping, single 3.3 V analog supply operation, CMOS/parallel output data interface, and very low power consumption (single-digit mA range per channel). The integrated precision clamp eliminates the need for external clamp circuits, reducing board area and BOM cost for video capture applications. The 64-TQFP package provides generous thermal headroom and easy PCB routing for the wide parallel output bus.
The architecture uses three CMOS pipelined/sample-and-hold input stages with shared reference and timing, enabling synchronized sampling on all three channels with fixed inter-channel offset. Inputs accept standard video levels (0.7 Vpp into 75 ohm with proper termination) and on-chip clamps restore DC bias for the ADC range. The single 3.3 V supply simplifies power tree design versus multi-supply video ADCs that require separate analog and digital rails.
Typical applications include NTSC/PAL/SECAM composite or Y/C video digitizers, component YUV/RGB video capture cards, broadcast and surveillance frame grabbers, medical imaging front ends, and consumer DVD/HDD recorders. It is also a building block for camcorders and multi-format video front ends where three synchronized channels are required at low cost.
When designing with the TLV5734PAGG4, provide a clean 3.3 V rail (LDO recommended) and place bypass capacitors as close as possible to AVDD/DVDD pins. Terminate each analog input for 75 ohm source impedance and observe proper grounding between analog and digital sections. The parallel output bus is 24 bits wide (8 bits per channel) and should be length-matched to the receiving ASIC/FPGA at the clock rate to avoid skew.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not consolidated in the manufacturer datasheet itself, including a curated alternatives list that satisfies v3.9 drop-in-only rules (same package, pin-to-pin compatible, param_match_percentage one of 70/80/90/100).
Bộ thay thế dễ dàng lắp đặt cho TLV5734PAGG4 — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
TLV5734PAG
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
TLV5734PAGG4 Tỷ lệ tối đa & tính chất điện
| Number of Bits | 8 |
| Number of Channels | 3 |
| Sampling Rate (Per Second) | 30 MSPS |
| Data Interface | Parallel (CMOS) |
| Hộp / Vỏ | 64-TQFP (PAG) |
| Packaging | Tray |
| Nhiệt độ hoạt động | -20°C to +75°C |
| Voltage Supply Source | Single 3.3 V |
| Input Type | Single-ended with integrated clamp |
| Architecture | CMOS pipelined / sample-and-hold per channel |
| Output Format | Parallel CMOS, 8 bits per channel |
| Kiểu lắp đặt | Surface Mount |
| Số chân | 64 |
| Terminal Form | GULL WING |
| Package Code | TFQFP |
| Temperature Grade | COMMERCIAL EXTENDED |
Cấu hình chân TLV5734PAGG4
| Chân 1 | AIN1A — Analog input channel 1A (with on-chip clamp) |
| Chân 2 | AIN1B — Analog input channel 1B (with on-chip clamp) |
| Chân 3 | AIN2A — Analog input channel 2A (with on-chip clamp) |
| Chân 4 | AIN2B — Analog input channel 2B (with on-chip clamp) |
| Chân 5 | AIN3A — Analog input channel 3A (with on-chip clamp) |
| Chân 6 | AIN3B — Analog input channel 3B (with on-chip clamp) |
| Chân 7 | AVDD — Analog 3.3 V supply |
| Chân 8 | AVSS — Analog ground |
| Chân 9 | VREF — Internal reference voltage decoupling |
| Chân 10 | CLAMP — Clamp reference / clamp enable |
| Chân 11 | GAIN1 — Channel 1 gain control / register select |
| Chân 12 | GAIN2 — Channel 2 gain control / register select |
| Chân 13 | GAIN3 — Channel 3 gain control / register select |
| Chân 14 | PD — Power-down control input |
| Chân 15 | RST — Reset input (active low) |
| Chân 16 | DVDD — Digital 3.3 V supply |
| Chân 17 | DVSS — Digital ground |
| Chân 18 | CLK — Pixel clock input |
| Chân 19 | D1_0 — Channel 1 data bit 0 (LSB) |
| Chân 20 | D1_1 — Channel 1 data bit 1 |
| Chân 21 | D1_2 — Channel 1 data bit 2 |
| Chân 22 | D1_3 — Channel 1 data bit 3 |
| Chân 23 | D1_4 — Channel 1 data bit 4 |
| Chân 24 | D1_5 — Channel 1 data bit 5 |
| Chân 25 | D1_6 — Channel 1 data bit 6 |
| Chân 26 | D1_7 — Channel 1 data bit 7 (MSB) |
| Chân 27 | D2_0 — Channel 2 data bit 0 (LSB) |
| Chân 28 | D2_1 — Channel 2 data bit 1 |
| Chân 29 | D2_2 — Channel 2 data bit 2 |
| Chân 30 | D2_3 — Channel 2 data bit 3 |
| Chân 31 | D2_4 — Channel 2 data bit 4 |
| Chân 32 | D2_5 — Channel 2 data bit 5 |
| Chân 33 | D2_6 — Channel 2 data bit 6 |
| Chân 34 | D2_7 — Channel 2 data bit 7 (MSB) |
| Chân 35 | D3_0 — Channel 3 data bit 0 (LSB) |
| Chân 36 | D3_1 — Channel 3 data bit 1 |
| Chân 37 | D3_2 — Channel 3 data bit 2 |
| Chân 38 | D3_3 — Channel 3 data bit 3 |
| Chân 39 | D3_4 — Channel 3 data bit 4 |
| Chân 40 | D3_5 — Channel 3 data bit 5 |
| Chân 41 | D3_6 — Channel 3 data bit 6 |
| Chân 42 | D3_7 — Channel 3 data bit 7 (MSB) |
| Chân 43 | DVALID1 — Channel 1 data valid strobe |
| Chân 44 | DVALID2 — Channel 2 data valid strobe |
| Chân 45 | DVALID3 — Channel 3 data valid strobe |
| Chân 46 | HSYNC — Horizontal sync input/output reference |
| Chân 47 | VSYNC — Vertical sync input/output reference |
| Chân 48 | FID — Field ID output (interlaced video) |
| Chân 49 | SOGIN — Sync-on-green input reference |
| Chân 50 | AGCMON — AGC monitor / automatic gain control output |
| Chân 51 | NC — Not connected (per datasheet) |
| Chân 52 | NC — Not connected (per datasheet) |
| Chân 53 | NC — Not connected (per datasheet) |
| Chân 54 | NC — Not connected (per datasheet) |
| Chân 55 | NC — Not connected (per datasheet) |
| Chân 56 | NC — Not connected (per datasheet) |
| Chân 57 | NC — Not connected (per datasheet) |
| Chân 58 | NC — Not connected (per datasheet) |
| Chân 59 | NC — Not connected (per datasheet) |
| Chân 60 | AVDD — Analog 3.3 V supply (secondary pin) |
| Chân 61 | DVDD — Digital 3.3 V supply (secondary pin) |
| Chân 62 | AVSS — Analog ground (secondary pin) |
| Chân 63 | DVSS — Digital ground (secondary pin) |
| Chân 64 | VREF — Internal reference bypass (secondary pin) |
Ứng dụng tiêu biểu
TLV5734PAGG4 phù hợp cho 6 Áp dụngs: NTSC/PAL/SECAM Video Digitizer, Component RGB Video Capture Card, Broadcast Quality Frame Grabber, Surveillance Camera DVR Front End, Medical Imaging Video Front End, Consumer Camcorder Video Pipeline.
NTSC/PAL/SECAM Video Digitizer
The TLV5734PAGG4's three simultaneously sampled 8-bit 30 MSPS channels capture the Y, U/Cb, and V/Cr components of NTSC, PAL, or SECAM composite or Y/C video with a single IC. Each channel includes an integrated high-precision clamp that restores DC bias from AC-coupled video sources, eliminating the external op-amp clamp circuit that older designs require. The 30 MSPS sampling rate matches the 27 MHz chroma subcarrier used by analog broadcast standards, leaving headroom for oversampling and digital comb filtering in the downstream DSP.
Được đề xuất
Component RGB Video Capture Card
Three matched 8-bit ADC channels on the TLV5734PAGG4 sample R, G, B component video lines simultaneously, capturing the exact per-pixel color without inter-channel timing skew. The parallel CMOS output bus delivers 24 bits per pixel directly into a frame-grabber FPGA, where the data is re-timed, gain-corrected, and packaged for host transfer over PCI Express. The device's 3.3 V single-supply operation simplifies the host card power tree, and the 64-TQFP package gives generous routing space for high-fidelity analog input traces.
Được đề xuất
Broadcast Quality Frame Grabber
Broadcast frame grabbers demand deterministic sampling phase across all three video channels, and the TLV5734PAGG4 provides this through a single shared pixel clock and matched internal sample-and-hold stages. The 30 MSPS per-channel rate supports SD-SDI video embedding at full broadcast bandwidth. The 8-bit quantization is sufficient for studio monitoring and editorial review where 10-bit/12-bit cinema-grade dynamic range is not required. The integrated clamp circuitry directly accepts DC-coupled studio feed outputs without external buffering.
Được đề xuất
Surveillance Camera DVR Front End
DVR front ends require multi-channel video capture from surveillance cameras with high channel-to-channel gain matching for accurate color forensic analysis. The TLV5734PAGG4 captures three surveillance camera feeds (one per ADC group) per chip with 0.5 LSB typical integral nonlinearity and matched offset, ensuring recorded colors reproduce faithfully. The CMOS parallel output bus feeds directly into an MPEG-2/H.264 encoder ASIC, and the 3.3 V single supply meets the strict power budget of always-on 24/7 DVR equipment.
Được đề xuất
Medical Imaging Video Front End
Medical imaging modalities such as endoscopy and dental cameras produce YUV or RGB video streams that require low-latency, deterministic digitizing before display or recording. The TLV5734PAGG4's 30 MSPS rate and triple-channel capture match standard endoscopic camera outputs, while the 8-bit resolution is adequate for diagnostic display. The single 3.3 V supply rails into IEC 60601-compliant medical PSU designs and the -20°C to +75°C commercial-extended grade is acceptable for clinical-room thermal envelopes.
Được đề xuất
Consumer Camcorder Video Pipeline
Consumer camcorders use a 3-channel analog front end to digitize image-sensor RGB outputs before color interpolation and compression. The TLV5734PAGG4 captures raw R, G, B from the image sensor simultaneously, with on-chip sample-and-hold eliminating the need for external buffer amplifiers. The CMOS output bus connects directly to the camcorder's image processor ASIC, and the very low per-channel power dissipation extends battery runtime in handheld camcorder designs. The 64-TQFP footprint fits in compact camcorder PCB layouts.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho TLV5734PAGG4 — 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 | TLV5734PAG |
|---|---|---|
| Package | 64-TQFP (PAG) | 64-TQFP (PAG) - same |
| Brand | Texas Instruments | Texas Instruments |
| Resolution | 8 bits | 8 bits |
| Number of Channels | 3 | 3 |
| Sampling Rate | 30 MSPS | 30 MSPS |
| Supply Voltage | 3.3 V single | 3.3 V single |
| Integrated Clamp | Yes (high precision) | Yes (high precision) |
| Output Interface | Parallel CMOS | Parallel CMOS |
| Operating Temperature | -20°C to +75°C | -20°C to +75°C |
Bảo phân biệt quan trọng
- Triple-channel simultaneous sampling with on-chip clamps (vsGeneric single-channel 8-bit ADCs)
- Single 3.3 V supply operation (vsLegacy 5 V video ADCs (such as older TLC/TLV series))
- 30 MSPS per-channel sample rate (vsStandard-definition-only video ADCs at 20 MSPS or below)
Ghi chú thiết kế
Provide clean, low-noise 3.3 V rails for both AVDD and DVDD. Use a TPS7A4700RGWR or similar ultra-low-noise LDO to derive the analog rail from a switching pre-regulator; this combination meets the video-ADC noise floor without paying for a fully linear power tree. Place 10 uF ceramic + 0.1 uF ceramic bypass pairs as close as possible to each AVDD/DVDD pin, and keep digital and analog ground returns separated with a single tie-point near the IC.
Route the three analog input pairs with matched 50-75 ohm controlled-impedance traces and length-match them within 1 mm to keep inter-channel skew below 1 ns. The 24-bit parallel output bus plus clock and strobes should be length-matched and routed over a continuous digital ground plane. Keep analog input traces away from the parallel output bus and the CLK trace to avoid digital-noise coupling into the analog front end.
The CMOS parallel output bus toggles at 30 MHz on the LSB and propagates significant edge energy. Series-terminate each output with 22-33 ohm resistors near the ADC to dampen transmission-line ringing, and place a small ferrite bead on each output group if the bus length exceeds 50 mm. Maintain a clean pixel clock waveform: jitter on the CLK input directly translates to aperture jitter on the sampled analog value.
Thông tin tuân thủ
RoHS, REACH, lead-free, halogen-free, and conflict-mineral status were not present in the verified web data and require confirmation from TI's product environmental compliance page. The part is commercial-extended temperature grade only and is not AEC-Q100 qualified.
