AD7634BCPZRL vs AD7655ACPZRL 对比
详细并排对比 AD7634BCPZRL 出自 Analog Devices 和 AD7655ACPZRL 出自 Analog Devices。对比关键规格、电气参数、封装、生命周期状态、价格和供货情况，以确定最适合您设计需求的元器件。
Analog Devices
AD7634BCPZRL - 18-Bit 670kSPS Differential PulSAR ADC | Analog Devices
AD7634BCPZRL ✓ 量产中规格对比
| 参数 | AD7634BCPZRL | AD7655ACPZRL |
|---|---|---|
| 品牌 | Analog Devices | Analog Devices |
| 分类 | ADC/DAC | ADC/DAC |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $36.80 | $11.40 |
| 分辨率 | 18 bits | — |
| Architecture | SAR (PulSAR) | SAR (Successive Approximation) |
| Number of Channels | 1 differential input | 4 |
| 采样率 | 670 kSPS | 1 MSPS (normal mode); 888 kSPS (impulse mode) |
| Input Type | True bipolar differential | — |
| Input Voltage Range (programmable) | ±10 V, 0 to 20 V, 0 to ±20 V, ±40 V (10 V p-p to 40 V p-p) | — |
| Data Interface | Serial (SPI-compatible) or Parallel | — |
| 封装 | 48-LFCSP-VQ (7x7 mm) with exposed pad | 48-LFCSP-VQ (7x7 mm) with exposed pad |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度 | -40C to +85C (industrial) | — |
| Internal Reference | Yes, 2.5 V (overdrive capable) | — |
| Internal Clock | Yes | — |
| Packaging | Tape & Reel (RL) | Tape & Reel (TR) |
| RoHS 状态 | Compliant | — |
| 1ku List Price (starting) | $48.81 (as of 2026-10-12) | — |
| Differential Nonlinearity (DNL) | [DATA_NEEDED: DNL spec from datasheet Rev. B] | — |
| Integral Nonlinearity (INL) | [DATA_NEEDED: INL spec from datasheet Rev. B] | — |
| SNR (typical) | [DATA_NEEDED: SNR spec from datasheet Rev. B] | — |
| Power Dissipation (typical at 670 kSPS) | [DATA_NEEDED: power spec from datasheet Rev. B] | — |
| Number of Bits | — | 16 |
| Number of Inputs | — | 2 / 4 (multiplexed, dual track-and-hold) |
| Analog Input Range | — | +/-10 V, 0 V to 5 V, +/-5 V (bipolar & unipolar) |
| Digital Interface | — | Parallel + Serial (SPI/QSPI/MICROWIRE/DSP-compatible) |
| Track-and-Hold Amplifiers | — | 2 (dual, simultaneous sampling) |
| Pipeline Delay | — | None (SAR architecture) |
| 工作温度范围 | — | -40C to +85C |
| Analog Supply Voltage (AVDD) | — | 5 V |
| Digital Supply Voltage (DVDD) | — | 5 V / 3 V (logic-flexible) |
| MSL 等级 | — | [DATA_NEEDED: MSL level] |
| Converter Family | — | PulSAR (iCMOS process) |