AD9280ARSZ vs ADS821E 对比
详细并排对比 AD9280ARSZ 出自 Analog Devices 和 ADS821E 出自 Texas Instruments。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 | AD9280ARSZ | ADS821E |
|---|---|---|
| 品牌 | Analog Devices | Texas Instruments |
| 分类 | ADC/DAC | ADC/DAC |
| 生命周期状态 | 有效 | 不推荐新设计 |
| 分辨率 | 8 bits | 10 bits |
| Number of Channels | 1 input, single channel | — |
| Architecture | Pipelined CMOS ADC with on-chip SHA and reference | SAR (Successive Approximation) |
| Sample Rate (Max) | 32 MSPS | — |
| Input Type | Single-ended or differential (configurable via SHA) | Single-ended or differential |
| 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 | — |
| Differential Nonlinearity (DNL) | 0.5 LSB (typical) | [DATA_NEEDED: DNL LSB] |
| Integral Nonlinearity (INL) | [DATA_NEEDED: typical INL value] | [DATA_NEEDED: INL LSB] |
| Signal-to-Noise Ratio (SNR) | [DATA_NEEDED: SNR value at Nyquist] | 58 dB |
| 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 | — |
| 封装 | 28-lead SSOP (RSZ) | 28-pin SSOP (DB) |
| 安装类型 | Surface Mount | Surface Mount |
| Pin Compatibility | Pin-compatible with AD876-8 | — |
| RoHS 状态 | Compliant | [DATA_NEEDED: RoHS compliance] |
| Lead Free | Yes | — |
| Sample Rate | — | 40 MSPS (max) |
| Number of Input Channels | — | 1 |
| Effective Number of Bits (ENOB) | — | 9.3 bits |
| 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) |
| Analog Input Bandwidth | — | [DATA_NEEDED: -3 dB BW MHz] |
| 工作温度范围 | — | -40 C to +85 C (industrial) |
| Lead-Free / MSL | — | [DATA_NEEDED: MSL rating] |