AD9680BCPZ-500 - Dual 14-Bit 500 MSPS JESD204B ADC | Analog Devices
부품 번호: AD9680BCPZ-500 ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
AD9680BCPZ-500 개요
An analog-to-digital converter (ADC) is a mixed-signal integrated circuit that samples a continuous analog waveform and converts it into a discrete digital representation. High-speed ADCs like the AD9680 sit at the front end of the signal chain hierarchy - after amplification and filtering, and before digital processing in FPGAs or ASICs - making them critical components in any wideband data acquisition system.
Key features include a 14-bit pipelined core per channel, a JESD204B high-speed serial output that drastically reduces pin count versus parallel LVDS or CMOS interfaces, an on-chip buffer and sample-and-hold circuit designed for low power, small size, and ease of use, and fast detect outputs (FD_A and FD_B on pins 17 and 32) for channel power monitoring.
Architecturally, each channel uses a pipelined conversion topology in which the input is successively quantized by cascaded low-resolution stages, enabling 500 MSPS throughput while the integrated buffer relaxes external drive requirements. The multi-rail supply architecture (1.2 V core, 2.5 V analog) optimizes power consumption versus dynamic performance.
Typical applications include software-defined radio and military communications receivers, wideband test and measurement instrumentation, cellular basestation receivers, and radar/electronic warfare systems where dual-channel simultaneous sampling at hundreds of megahertz is required.
A key design consideration is the JESD204B link configuration and clocking architecture: a low-jitter sampling clock is essential to realize the full SNR potential of the 14-bit core, so engineers should budget jitter carefully and follow ADI reference designs for the SYSREF and device clock distribution.
This page synthesizes verified distributor data, drop-in same-family alternatives, and practical engineering design guidance not found in a single manufacturer datasheet, providing a complete selection resource in one place.
드롭인 대체품: AD9680BCPZ-500 — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: AD9680BCPZ-500 (동일 폼 팩터 및 풋프린트) — 차이점: Package, Resolution, Sampling Rate.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
AD9680BCPZ-1250
✓ 재고 있음
$840 / 개
데이터시트 보기 →AD9680BCPZ-820
📋 참조 대체품 (카탈로그에 없음)
AD9680BCPZ-1000
✓ 재고 있음
가격 문의
데이터시트 보기 →AD9680BCPZ-500 최대 정격 & 전기적 특성
| 분해능 | 14 bit |
| Number of Channels | 2 |
| 샘플링 속도 | 500 MSPS |
| Architecture | Pipelined |
| 인터페이스 유형 | JESD204B Serial |
| Supply Voltage (Analog) | 2.5 V |
| Supply Voltage (Core) | 1.2 V |
| 패키지 | 64-LFCSP (9 mm x 9 mm) with exposed pad |
| 실장 유형 | Surface Mount |
| On-Chip Features | Buffer and sample-and-hold circuit |
| Fast Detect Outputs | FD_A (pin 17), FD_B (pin 32) |
| Input Configuration | Differential |
| RoHS 상태 | Compliant |
AD9680BCPZ-500 64-lfcsp (9 mm x 9 mm) with exposed pad 핀 구성 가이드
AD9680BCPZ-500(64-lfcsp (9 mm x 9 mm) with exposed pad 패키지)의 핀 구성입니다. 이 아날로그 부품에는 입력, 출력, 전원 공급 핀이 있습니다. 오프셋 널, 보상, 인에이블 핀 구성은 제조사 데이터시트를 참조하십시오. 신호 컨디셔닝 및 증폭기 회로에 이상적입니다.
다음에 대한 상세 핀아웃 데이터 없음: AD9680BCPZ-500.
다음을 참조하십시오: 데이터시트 전체 핀 구성은 다음을 참조하십시오.
일반적인 애플리케이션
AD9680BCPZ-500 적합 용도: 6 애플리케이션s: Software-Defined Radio Receivers, Wideband Test and Measurement Instrumentation, Cellular Basestation Receivers, Radar and Electronic Warfare Systems, Medical Imaging Data Acquisition, FPGA-Based High-Speed Data Capture.
Software-Defined Radio Receivers
The AD9680BCPZ-500 fits SDR receiver front ends where dual 14-bit channels digitize wideband IF signals at up to 500 MSPS. Its pipelined core and on-chip buffer reduce external analog design effort, while the JESD204B output streams both channels to an FPGA over a few serial lanes instead of dozens of parallel lines. In a typical superheterodyne SDR, the converter samples a 70 MHz to 250 MHz IF after a low-jitter clock drives the SYSREF-synchronized link. The 500 MSPS rate yields a 250 MHz Nyquist band, sufficient for most tactical and commercial waveforms; the fast detect outputs flag strong in-band signals for agile filtering.
추천
Wideband Test and Measurement Instrumentation
Digitizing oscilloscopes, spectrum analyzers, and recorders benefit from the AD9680BCPZ-500's dual simultaneous channels, which enable correlated dual-capture, interleaving studies, or differential measurement architectures. At 500 MSPS and 14 bits, the converter provides approximately 86 dB of theoretical dynamic range for capturing small signals near large carriers. The integrated sample-and-hold with on-chip buffer eases drive requirements from analog front-end amplifiers, simplifying signal-chain design in dense instruments. Because both channels share one clock domain, skew between captures is minimized, a requirement for phase-sensitive measurement and vector signal analysis applications in laboratory and production test settings.
추천
Cellular Basestation Receivers
Multi-carrier wireless infrastructure receivers use the AD9680BCPZ-500 to digitize wideband IF signals covering multiple carriers at once. Dual channels support diversity or MIMO receive paths with a single converter, halving component count versus two single-channel ADCs. The JESD204B interface provides deterministic latency and multi-chip synchronization through SYSREF, essential for coherent carrier aggregation across multiple receive cards. At 500 MSPS the 250 MHz Nyquist band accommodates typical multi-carrier IF allocations for 4G and sub-6GHz 5G deployments. Fast detect outputs support power-aware DPD and carrier management, while the 64-LFCSP exposed-pad package suits the thermal constraints of dense remote radio unit designs.
추천
Radar and Electronic Warfare Systems
Pulse-capture radar and EW receivers demand simultaneous dual-channel sampling with wide dynamic range, both delivered by the AD9680BCPZ-500's 14-bit 500 MSPS pipelined cores. The fast detect outputs (pins 17 and 32) implement an industry-first threshold flagging mechanism that lets system controllers react to large in-band signals before full digital processing completes - valuable for threat identification and receiver protection. JESD204B serialization keeps channel counts manageable inside conformal or man-portable form factors. Where instantaneous bandwidth beyond 250 MHz is needed for wide-open intercept receivers, the pin-compatible AD9680BCPZ-1000 or -1250 can be substituted on the same PCB footprint without redesign.
추천
Medical Imaging Data Acquisition
Ultrasound and digital X-ray front ends leverage the AD9680BCPZ-500's dual-channel architecture to digitize pairs of transducer or detector channels with matched timing. The 14-bit resolution preserves small echo amplitudes adjacent to strong transmit leakage, and the low-noise design of the input buffer protects signal integrity in high-channel-count arrays. JESD204B output reduces the trace count routed to the imaging processing FPGA, easing layout in probe-cable-constrained designs. At 500 MSPS, sampling supports high-frequency therapeutic and ophthalmic ultrasound bands up to roughly 250 MHz Nyquist. The exposed-pad 64-LFCSP manages heat in thermally sensitive head-end assemblies close to patient interfaces.
추천
FPGA-Based High-Speed Data Capture
The AD9680BCPZ-500 pairs directly with JESD204B-capable FPGAs such as Intel and Xilinx transceiver families for general-purpose high-speed capture cards. The serialized interface requires only a few high-speed lanes for both 14-bit channels at 500 MSPS, dramatically simplifying the PCB versus parallel buses and enabling longer, lower-cost routing between ADC and FPGA. Deterministic-latency SYSREF synchronization supports coherent multi-board systems. Designers should implement the ADI JESD204B link parameters exported over SPI and use the vendor's IP cores for link bring-up. The 64-LFCSP footprint with exposed pad simplifies ground return management under high serial lane rates on multilayer capture boards.
추천
추천 제품 요약
엔지니어링 참조 데이터: AD9680BCPZ-500 — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | AD9680BCPZ-820 | AD9680BCPZ-1000 | AD9680BCPZ-1250 |
|---|---|---|---|---|
| Package | 64-LFCSP (9x9) EP | 64-LFCSP (9x9) EP - same | 64-LFCSP (9x9) EP - same | 64-LFCSP (9x9) EP - same |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices |
| Resolution | 14 bit | 14 bit | 14 bit | 14 bit |
| Channels | 2 | 2 | 2 | 2 |
| Maximum Sample Rate | 500 MSPS | 820 MSPS | 1 GSPS | 1.25 GSPS |
| Output Interface | JESD204B | JESD204B | JESD204B | JESD204B |
| Supply Voltage | 1.2 V / 2.5 V | 1.2 V / 2.5 V | 1.2 V / 2.5 V | 1.2 V / 2.5 V |
| Power Consumption | Lowest in family | Higher than -500 | Higher than -820 | Highest in family |
| Fast Detect Outputs | FD_A, FD_B (pins 17, 32) | Yes - same pins | Yes - same pins | Yes - same pins |
주요 차별점
- Lowest power in the AD9680 family (vs AD9680BCPZ-1250)
- Identical footprint for future bandwidth upgrades (vs AD9680BCPZ-1000)
- Integrated buffer and sample-and-hold (vs Generic dual ADC solutions)
설계 노트
The effective noise figure of a 14-bit 500 MSPS converter is dominated by aperture jitter of the sampling clock. For the AD9680BCPZ-500, clock jitter should be kept below roughly 100 fs RMS to preserve SNR at high analog input frequencies. Use a dedicated low-noise PLL/clock JESD204B device such as the AD9528, filter the reference, and route the sampling clock differentially, keeping clock traces away from JESD204B lanes and analog inputs to prevent coupling-induced spurs.
The 64-LFCSP exposed pad is the primary thermal and ground path. Connect the exposed pad to a solid ground plane through an array of at least 5x5 thermal vias, as recommended in the ADI datasheet layout section. Estimated: at typical dual-channel operation, power in the hundreds of milliwatts range over the small 9 mm x 9 mm body means a well-designed via array is mandatory; an inadequate pad connection raises junction temperature and degrades AC performance.
Do not treat the three supply rails as interchangeable: AVDD1, AVDD2, and AVDD3 (see datasheet pin table, pins 1-4) power different core and output domains and require independent low-noise LDO or ferrite-isolated supplies per the ADI reference designs. Additionally, JESD204B link bring-up requires correct SPI register configuration for lane rate and scrambling; consult the ADI JESD204B application note and reference design before assuming default register settings will link with your FPGA.
규정 준수 정보
RoHS compliant and lead-free per distributor listings (DigiKey/Arrow). REACH, halogen-free, and conflict minerals status not stated in retrieved data.
