ADS5232IPAGTG4 - Dual 12-Bit 65MSPS +3.3V ADC | Texas Instruments
부품 번호: ADS5232IPAGTG4 ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $14.5 | $14.50 |
| 10 | $13.05 | $130.50 |
| 100 | $11.6 | $1,160.00 |
| 500 | $10.44 | $5,220.00 |
| 1,000 | $9.5 | $9,500.00 |
ADS5232IPAGTG4 개요
An ADC (analog-to-digital converter) is a semiconductor device that converts continuous analog signals into discrete digital codes for processing by DSPs, FPGAs, or microcontrollers. The 12-bit pipelined ADC sub-category sits between low-resolution SAR ADCs (8-10 bits, kSPS rates) and high-resolution pipeline ADCs (14-16 bits, 100+ MSPS), targeting applications where 65-80 dB SNR is acceptable at IF sampling rates. The ADS5232 belongs to TI's ADS52xx mid-speed pipeline family, optimized for low power and small PCB area.
Key features include a 65 MSPS maximum sampling rate per channel, 12-bit resolution, 3.3V single-supply operation, internal 1.5V bandgap reference, and a 3-state CMOS digital output bus. Typical differential nonlinearity (DNL) is +/-0.3 LSB and integral nonlinearity (INL) is +/-0.5 LSB, giving accurate conversion for imaging workloads. The pipelined architecture provides low latency (~5 clock cycles) and allows continuous sample streaming without throughput penalties.
The analog front-end accepts differential input pairs centered on the internal common-mode voltage of 1.65V. Each channel integrates its own input buffer, gain stage, and quantization engine. The device supports external clock input for precise sampling alignment across the two channels, with a typical aperture delay of 1.5 ns and aperture jitter below 0.5 ps-rms. Power consumption is approximately 315 mW per device at 65 MSPS, manageable in the TQFP-64 footprint with a properly designed ground/power plane.
Typical applications include CCD imaging front-ends, medical ultrasound beamformers, portable instrumentation, IF sampling for communications receivers, and dual-channel data acquisition cards. The dual-channel architecture halves the PCB area versus two discrete ADCs while guaranteeing inter-channel gain and offset matching from a shared reference.
A primary design consideration: provide a low-jitter external clock (jitter < 5 ps-rms) to preserve SNR — every additional picosecond of clock jitter reduces achievable SNR at full-scale input. Decouple AVDD and DRVDD separately with 1 uF and 0.1 uF ceramic capacitors placed within 5 mm of the supply pins.
This page synthesizes distributor availability, drop-in alternative listings, and design recommendations not aggregated on the TI datasheet front page.
드롭인 대체품: ADS5232IPAGTG4 — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: ADS5232IPAGTG4 (동일 폼 팩터 및 풋프린트) — 차이점: Package, Resolution.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
ADS5232IPAGT
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
ADS5232IPAGG4
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
ADS5232IPAG
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
ADS5232IPFBRG4
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
ADS5220PFBRG4
✅ 드롭인✓ 재고 있음
$11.05 / 개
데이터시트 보기 →ADS5232IPAGTG4 최대 정격 & 전기적 특성
| 분해능 | 12 bits |
| Number of Channels | 2 |
| 샘플링 속도 | 65 MSPS per channel |
| Architecture | Pipelined |
| 공급 전압 | +3.3 V (single) |
| Analog Input Type | Differential |
| Input Common-Mode Voltage | 1.65 V (internal) |
| Reference | Internal 1.5 V bandgap (external option) |
| Digital Output | CMOS, 3-state |
| Power Consumption | 315 mW at 65 MSPS (typical) |
| 동작 온도 | -40 C to +85 C (industrial) |
| 패키지 | 64-pin TQFP (PAG) 10x10 mm with thermal pad |
| 실장 유형 | Surface Mount |
| RoHS 상태 | Compliant |
ADS5232IPAGTG4 핀 구성
| 핀 1 | DRVDD — Digital output supply, 3.3V |
| 핀 2 | DRGND — Digital ground |
| 핀 3 | D0A — Channel A data output bit 0 (LSB) |
| 핀 4 | D1A — Channel A data output bit 1 |
| 핀 5 | D2A — Channel A data output bit 2 |
| 핀 6 | D3A — Channel A data output bit 3 |
| 핀 7 | D4A — Channel A data output bit 4 |
| 핀 8 | D5A — Channel A data output bit 5 |
| 핀 9 | D6A — Channel A data output bit 6 |
| 핀 10 | D7A — Channel A data output bit 7 |
| 핀 11 | D8A — Channel A data output bit 8 |
| 핀 12 | D9A — Channel A data output bit 9 |
| 핀 13 | D10A — Channel A data output bit 10 |
| 핀 14 | D11A — Channel A data output bit 11 (MSB) |
| 핀 15 | CLKOUT_A — Channel A clock output (data ready) |
| 핀 16 | DRGND — Digital ground |
| 핀 17 | DRVDD — Digital output supply, 3.3V |
| 핀 18 | DRGND — Digital ground |
| 핀 19 | OE — Output enable (active high) |
| 핀 20 | CLK — External clock input |
| 핀 21 | CLKGND — Clock ground |
| 핀 22 | DRVDD — Digital output supply, 3.3V |
| 핀 23 | DRGND — Digital ground |
| 핀 24 | D0B — Channel B data output bit 0 (LSB) |
| 핀 25 | D1B — Channel B data output bit 1 |
| 핀 26 | D2B — Channel B data output bit 2 |
| 핀 27 | D3B — Channel B data output bit 3 |
| 핀 28 | D4B — Channel B data output bit 4 |
| 핀 29 | D5B — Channel B data output bit 5 |
| 핀 30 | D6B — Channel B data output bit 6 |
| 핀 31 | D7B — Channel B data output bit 7 |
| 핀 32 | D8B — Channel B data output bit 8 |
| 핀 33 | D9B — Channel B data output bit 9 |
| 핀 34 | D10B — Channel B data output bit 10 |
| 핀 35 | D11B — Channel B data output bit 11 (MSB) |
| 핀 36 | CLKOUT_B — Channel B clock output (data ready) |
| 핀 37 | DRGND — Digital ground |
| 핀 38 | DRVDD — Digital output supply, 3.3V |
| 핀 39 | AVSS — Analog ground (substrate) |
| 핀 40 | REFTS — Reference decoupling top |
| 핀 41 | REFBS — Reference decoupling bottom |
| 핀 42 | REFIN — External reference input (bypass for internal) |
| 핀 43 | REFOUT — Internal 1.5V reference output |
| 핀 44 | AVDD — Analog supply, 3.3V |
| 핀 45 | AVSS — Analog ground |
| 핀 46 | AIN2P — Channel 2 analog positive input |
| 핀 47 | AIN2N — Channel 2 analog negative input |
| 핀 48 | AVSS — Analog ground |
| 핀 49 | AVDD — Analog supply, 3.3V |
| 핀 50 | AVSS — Analog ground |
| 핀 51 | AIN1P — Channel 1 analog positive input |
| 핀 52 | AIN1N — Channel 1 analog negative input |
| 핀 53 | AVSS — Analog ground |
| 핀 54 | AVDD — Analog supply, 3.3V |
| 핀 55 | AVSS — Analog ground |
| 핀 56 | AVDD — Analog supply, 3.3V |
| 핀 57 | AVSS — Analog ground |
| 핀 58 | VCM — Common-mode voltage bypass (1.65V) |
| 핀 59 | AVDD — Analog supply, 3.3V |
| 핀 60 | AVSS — Analog ground |
| 핀 61 | AVDD — Analog supply, 3.3V |
| 핀 62 | PD — Power-down (active high) |
| 핀 63 | RESET — Reset (active low) |
| 핀 64 | AVSS — Analog ground / thermal pad |
일반적인 애플리케이션
ADS5232IPAGTG4 적합 용도: 6 애플리케이션s: Medical Ultrasound Beamforming, CCD Imaging Front-End Digitizer, IF Sampling Communications Receiver, Portable Instrumentation Data Acquisition, Dual-Channel Industrial Sensor Reading, Video Digitizer and Baseband Sampler.
Medical Ultrasound Beamforming
The ADS5232IPAGTG4 suits medical ultrasound front-ends because its dual 12-bit 65 MSPS channels simultaneously capture paired transducer echoes with matched gain and offset from a shared internal 1.5V reference. Placed at each beamformer channel after the LNA and TGC stages, the device delivers approximately 70 dB SNR adequate for B-mode imaging. The TQFP-64 exposed-pad package supports compact 32-channel boards where density is critical. Compared with discrete 2-channel solutions, both channels share clock and reference, eliminating inter-channel skew that would otherwise corrupt phased-array beamforming math.
추천
CCD Imaging Front-End Digitizer
The ADS5232IPAGTG4 digitizes the dual CCD analog outputs in scientific and industrial cameras where 12-bit dynamic range at 65 MSPS per channel matches the sensor's pixel rate. Its differential analog inputs interface directly to the CCD's low-impedance analog outputs through a coupling transformer or differential driver. The pipelined 5-clock latency produces predictable data timing, simplifying FPGA pixel-pipeline alignment. The 3.3V single supply eliminates extra rails on tightly-packed camera boards. Versus single-channel ADCs, the dual configuration halves board area while preserving matching gain between odd/even pixel streams.
추천
IF Sampling Communications Receiver
The ADS5232IPAGTG4 performs intermediate-frequency (IF) sampling in software-defined radio and diversity receiver boards. Its 65 MSPS per-channel rate samples 10-30 MHz IF bands with comfortable Nyquist headroom, and the CMOS outputs feed directly into an FPGA or DSP baseband processor. The internal 1.5V reference eliminates an external reference IC, simplifying BOM. Designers should pair the ADC with a low-jitter clock source (jitter under 5 ps-rms) to keep SNR at 70 dB; the device's small aperture jitter (~0.5 ps-rms typical) supports this requirement. The TQFP-64 footprint supports mid-density SDR boards.
추천
Portable Instrumentation Data Acquisition
The ADS5232IPAGTG4 fits portable digital oscilloscope and data-acquisition front-ends where dual simultaneous channels and 12-bit resolution at 65 MSPS cover mid-bandwidth signals (audio, vibration, ultrasonic). Operated from a single 3.3V rail, the device's 315 mW typical power consumption allows battery-powered operation with minimal thermal overhead. Its exposed-pad package enables a 10x10 mm board footprint with adequate heat spreading for field instruments. Compared with discrete ADCs, the integrated dual architecture halves calibration time since both channels share the same internal reference.
추천
Dual-Channel Industrial Sensor Reading
The ADS5232IPAGTG4 simultaneously captures two industrial sensor signals (strain gauge, vibration, position encoder) at 65 MSPS per channel in factory automation and condition-monitoring systems. Its 12-bit resolution and pipelined architecture deliver deterministic latency for closed-loop control. The wide industrial temperature range (-40 C to +85 C) supports deployment on factory floors and outdoor cabinets. Versus single-channel ADCs, the dual-channel architecture reduces component count, BOM cost, and PCB area in multi-axis sensor hubs. According to the TI ADS5232 datasheet, the internal reference provides 1% accuracy over the full industrial range.
추천
Video Digitizer and Baseband Sampler
The ADS5232IPAGTG4 captures dual baseband video streams (component Y/C, or RGB pairs) in broadcast and pro-AV equipment where 12-bit color depth at 65 MSPS exceeds HD-SDI signal bandwidth needs. The CMOS outputs drive an FPGA frame-grabber with deterministic pixel-aligned data. The 3.3V single-supply operation simplifies power-rail design in broadcast chassis. Designers typically pair this ADC with a TI TVP7002/TVP5150 analog front-end for composite input conditioning. Compared to lower-speed ADCs, the 65 MSPS rate captures full HD bandwidth at oversampled rates for high-quality video acquisition.
추천
추천 제품 요약
엔지니어링 참조 데이터: ADS5232IPAGTG4 — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | ADS5232IPAGT | ADS5232IPAGG4 | ADS5232IPAG | ADS5232IPFBRG4 | ADS5220PFBRG4 |
|---|---|---|---|---|---|---|
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package | 64-pin TQFP (PAG) 10x10 mm | 64-pin TQFP (PAG) - same | 64-pin TQFP (PAG) - same | 64-pin TQFP (PAG) - same | 64-pin TQFP (PAG) - same | 64-pin TQFP (PFB) - same footprint family |
| Resolution | 12 bits | 12 bits | 12 bits | 12 bits | 12 bits | 12 bits |
| Sampling Rate | 65 MSPS | 65 MSPS | 65 MSPS | 65 MSPS | 65 MSPS | 40 MSPS (-38%) |
| Number of Channels | 2 | 2 | 2 | 2 | 2 | 2 |
| Supply Voltage | 3.3 V single | 3.3 V single | 3.3 V single | 3.3 V single | 3.3 V single | 3.3 V single |
| Architecture | Pipelined | Pipelined | Pipelined | Pipelined | Pipelined | Pipelined |
| Operating Temperature | -40 C to +85 C industrial | -40 C to +85 C industrial | -40 C to +85 C industrial | -40 C to +85 C industrial | -40 C to +85 C industrial | -40 C to +85 C industrial |
| Reel Packaging | G4 - 2500-piece reel | non-G4 reel | G4 tray variant | tray packaging | G4 reel | G4 reel |
주요 차별점
- Dual-channel simultaneous sampling in 64-TQFP small footprint (vs ADS5220PFBRG4)
- Internal 1.5V bandgap reference eliminates external reference IC (vs ADS5232IPFBR family (external reference parts))
- G4 reel packaging optimized for high-volume SMT production (vs ADS5232IPAGT (non-G4 reel))
- Low 315 mW power consumption at full 65 MSPS rate (vs ADS5103IPFBRG4 (same TI family but higher power))
설계 노트
Place the 1 uF and 0.1 uF analog supply decoupling capacitors within 5 mm of each AVDD pin. Use a star-ground topology with the exposed thermal pad tied to the analog ground (AVSS) plane. Separate AVDD and DRVDD traces by at least 3 mm or guard with a ground trace to prevent digital switching noise coupling into the analog front-end. For the TQFP-64 footprint, dedicate at least 50% of the second PCB layer to an unbroken ground plane beneath the ADC.
The ADS5232IPAGTG4 requires a low-jitter external clock (under 5 ps-rms jitter) at the CLK pin to achieve the specified SNR. Use a dedicated clock buffer or oscillator module with CMOS outputs and place it adjacent to the ADC clock pin. Add a 33 ohm series damping resistor at the clock output to suppress overshoot. Apply the same differential input matching layout for AIN1P/AIN1N to maintain 70 dB SNR at full rate.
At 315 mW typical power dissipation, the TQFP-64 (PAG) package without an external heatsink keeps junction temperature rise modest. Verify with theta_JA of approximately 28 C/W on a 4-layer JEDEC test board, the rise is roughly 8.8 C above ambient. For continuous operation above 70 C ambient, add thermal vias under the exposed pad and ensure the pad is soldered to a 1 square inch copper pour. Hot airflow across the package helps in rack-mounted equipment.
Avoid driving the analog inputs outside the 0V to AVDD range - even momentary over-voltage can permanently damage the input ESD structure. Do not leave the REFIN pin floating when using the internal reference; tie it to REFOUT through a 0.1 uF capacitor per the datasheet reference circuit. When powering up, drive RESET low for at least 100 ns after both AVDD and DRVDD have stabilized to ensure clean initialization.
Route the 12-bit CMOS data bus from each channel as a tightly-coupled matched-length group. Use 50 ohm controlled-impedance traces with 33 ohm series damping at the FPGA end of the bus. Place a ground guard trace between the two channel buses to minimize inter-channel crosstalk. If the design mixes high-speed digital and analog, route analog input traces on the top layer with a continuous ground on layer 2 to maximize immunity to digital switching noise.
규정 준수 정보
RoHS compliant per TI product page and distributor data. Industrial temperature grade (-40 C to +85 C). Not AEC-Q100 qualified - select ADS5232-Q1 variants for automotive applications.
