TLV5734PAGG4 - Triple 8-Bit 30MSPS ADC for YUV/RGB Video | TI
MPN: TLV5734PAGG4 ✗ پایان تولیدTLV5734PAGG4 نمای کلی
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).
جایگزین‌های drop-in برای TLV5734PAGG4 — همان پکیج، سازگار پین‌به‌پین. قطعات با پکیج متفاوت که نیاز به تغییر PCB دارند مستثنی هستند.
TLV5734PAG
✅ جایگزین مستقیم ⚠️ مشخصات تأییدنشده📋 جایگزین مرجع (خارج از کاتالوگ)
TLV5734PAGG4 حداکثر مقادیر مجاز و مشخصات الکتریکی
| Number of Bits | 8 |
| Number of Channels | 3 |
| Sampling Rate (Per Second) | 30 MSPS |
| Data Interface | Parallel (CMOS) |
| بسته‌بندی / کیس | 64-TQFP (PAG) |
| Packaging | Tray |
| دمای کاری | -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 |
| نوع نصب | Surface Mount |
| تعداد پایه | 64 |
| Terminal Form | GULL WING |
| Package Code | TFQFP |
| Temperature Grade | COMMERCIAL EXTENDED |
پیکربندی پین TLV5734PAGG4
| پین 1 | AIN1A — Analog input channel 1A (with on-chip clamp) |
| پین 2 | AIN1B — Analog input channel 1B (with on-chip clamp) |
| پین 3 | AIN2A — Analog input channel 2A (with on-chip clamp) |
| پین 4 | AIN2B — Analog input channel 2B (with on-chip clamp) |
| پین 5 | AIN3A — Analog input channel 3A (with on-chip clamp) |
| پین 6 | AIN3B — Analog input channel 3B (with on-chip clamp) |
| پین 7 | AVDD — Analog 3.3 V supply |
| پین 8 | AVSS — Analog ground |
| پین 9 | VREF — Internal reference voltage decoupling |
| پین 10 | CLAMP — Clamp reference / clamp enable |
| پین 11 | GAIN1 — Channel 1 gain control / register select |
| پین 12 | GAIN2 — Channel 2 gain control / register select |
| پین 13 | GAIN3 — Channel 3 gain control / register select |
| پین 14 | PD — Power-down control input |
| پین 15 | RST — Reset input (active low) |
| پین 16 | DVDD — Digital 3.3 V supply |
| پین 17 | DVSS — Digital ground |
| پین 18 | CLK — Pixel clock input |
| پین 19 | D1_0 — Channel 1 data bit 0 (LSB) |
| پین 20 | D1_1 — Channel 1 data bit 1 |
| پین 21 | D1_2 — Channel 1 data bit 2 |
| پین 22 | D1_3 — Channel 1 data bit 3 |
| پین 23 | D1_4 — Channel 1 data bit 4 |
| پین 24 | D1_5 — Channel 1 data bit 5 |
| پین 25 | D1_6 — Channel 1 data bit 6 |
| پین 26 | D1_7 — Channel 1 data bit 7 (MSB) |
| پین 27 | D2_0 — Channel 2 data bit 0 (LSB) |
| پین 28 | D2_1 — Channel 2 data bit 1 |
| پین 29 | D2_2 — Channel 2 data bit 2 |
| پین 30 | D2_3 — Channel 2 data bit 3 |
| پین 31 | D2_4 — Channel 2 data bit 4 |
| پین 32 | D2_5 — Channel 2 data bit 5 |
| پین 33 | D2_6 — Channel 2 data bit 6 |
| پین 34 | D2_7 — Channel 2 data bit 7 (MSB) |
| پین 35 | D3_0 — Channel 3 data bit 0 (LSB) |
| پین 36 | D3_1 — Channel 3 data bit 1 |
| پین 37 | D3_2 — Channel 3 data bit 2 |
| پین 38 | D3_3 — Channel 3 data bit 3 |
| پین 39 | D3_4 — Channel 3 data bit 4 |
| پین 40 | D3_5 — Channel 3 data bit 5 |
| پین 41 | D3_6 — Channel 3 data bit 6 |
| پین 42 | D3_7 — Channel 3 data bit 7 (MSB) |
| پین 43 | DVALID1 — Channel 1 data valid strobe |
| پین 44 | DVALID2 — Channel 2 data valid strobe |
| پین 45 | DVALID3 — Channel 3 data valid strobe |
| پین 46 | HSYNC — Horizontal sync input/output reference |
| پین 47 | VSYNC — Vertical sync input/output reference |
| پین 48 | FID — Field ID output (interlaced video) |
| پین 49 | SOGIN — Sync-on-green input reference |
| پین 50 | AGCMON — AGC monitor / automatic gain control output |
| پین 51 | NC — Not connected (per datasheet) |
| پین 52 | NC — Not connected (per datasheet) |
| پین 53 | NC — Not connected (per datasheet) |
| پین 54 | NC — Not connected (per datasheet) |
| پین 55 | NC — Not connected (per datasheet) |
| پین 56 | NC — Not connected (per datasheet) |
| پین 57 | NC — Not connected (per datasheet) |
| پین 58 | NC — Not connected (per datasheet) |
| پین 59 | NC — Not connected (per datasheet) |
| پین 60 | AVDD — Analog 3.3 V supply (secondary pin) |
| پین 61 | DVDD — Digital 3.3 V supply (secondary pin) |
| پین 62 | AVSS — Analog ground (secondary pin) |
| پین 63 | DVSS — Digital ground (secondary pin) |
| پین 64 | VREF — Internal reference bypass (secondary pin) |
کاربردهای معمول
TLV5734PAGG4 مناسب است برای 6 کاربردs: 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.
پیشنهادی
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.
پیشنهادی
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.
پیشنهادی
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.
پیشنهادی
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.
پیشنهادی
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.
پیشنهادی
خلاصه محصولات پیشنهادی
داده‌های مرجع مهندسی برای TLV5734PAGG4 — مقایسه، راهنمای طراحی و اطلاعات انطباق.
راهنمای انتخاب
مقایسه با جایگزین‌ها
| پارامتر | این محصول | 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 |
تفاوت‌های کلیدی
- Triple-channel simultaneous sampling with on-chip clamps (در مقابلGeneric single-channel 8-bit ADCs)
- Single 3.3 V supply operation (در مقابلLegacy 5 V video ADCs (such as older TLC/TLV series))
- 30 MSPS per-channel sample rate (در مقابلStandard-definition-only video ADCs at 20 MSPS or below)
یادداشت‌های طراحی
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.
اطلاعات انطباق
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.
