ADS821E vs AD9280ARSZ 对比
详细并排对比 ADS821E 出自 Texas Instruments 和 AD9280ARSZ 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。
规格对比
| 参数 | ADS821E | AD9280ARSZ |
|---|---|---|
| 品牌 | Texas Instruments | Analog Devices |
| 分类 | ADC/DAC | ADC/DAC |
| 生命周期状态 | 不推荐新设计 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $7.40 | $5.15 |
| 分辨率 | 10 bits | 8 bits |
| Sample Rate | 40 MSPS (max) | — |
| Number of Input Channels | 1 | — |
| Input Type | Single-ended or differential | Single-ended or differential (configurable via SHA) |
| Effective Number of Bits (ENOB) | 9.3 bits | — |
| Signal-to-Noise Ratio (SNR) | 58 dB | [DATA_NEEDED: SNR value at Nyquist] |
| Architecture | SAR (Successive Approximation) | Pipelined CMOS ADC with on-chip SHA and reference |
| Analog Supply Voltage (AVDD) | +5 V (typ) | — |
| Digital Supply Voltage (DVDD) | +5 V (or 3 V logic capable) | — |
| Power Dissipation | 380 mW (typ) | — |
| Internal Reference | 2.5 V (internal, externally overdrivable) | — |
| Integral Nonlinearity (INL) | [DATA_NEEDED: INL LSB] | [DATA_NEEDED: typical INL value] |
| Differential Nonlinearity (DNL) | [DATA_NEEDED: DNL LSB] | 0.5 LSB (typical) |
| Analog Input Bandwidth | [DATA_NEEDED: -3 dB BW MHz] | — |
| 工作温度范围 | -40 C to +85 C (industrial) | — |
| 封装 | 28-pin SSOP (DB) | 28-lead SSOP (RSZ) |
| 安装类型 | Surface Mount | Surface Mount |
| RoHS 状态 | [DATA_NEEDED: RoHS compliance] | Compliant |
| Lead-Free / MSL | [DATA_NEEDED: MSL rating] | — |
| Number of Channels | — | 1 input, single channel |
| Sample Rate (Max) | — | 32 MSPS |
| Analog Supply Range | — | 2.7 V to 5.5 V |
| Digital Supply Range | — | 2.7 V to 5.5 V |
| Power Dissipation (3 V supply) | — | 80 mW typical |
| Power Dissipation (5 V supply) | — | 95 mW typical |
| Sample-and-Hold Bandwidth | — | 300 MHz (onboard SHA) |
| Data Interface | — | CMOS / TTL, parallel output |
| Out-of-Range Indicator | — | Yes (OTR flag) |
| On-Chip Voltage Reference | — | Yes (internal 2.5 V) |
| 工作温度 | — | -40 C to +85 C |
| Pin Compatibility | — | Pin-compatible with AD876-8 |
| Lead Free | — | Yes |