INA219AIDR vs INA219BIDR 对比
详细并排对比 INA219AIDR 出自 Texas Instruments 和 INA219BIDR 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 | INA219AIDR | INA219BIDR |
|---|---|---|
| 品牌 | Texas Instruments | Texas Instruments |
| 分类 | Voltage Regulators | Battery Management |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $1.05 | $1.62 |
| 功能 | Current/Power Monitor | Bidirectional current shunt and power monitor |
| Sensing Method | High-Side, Bidirectional | — |
| Input Voltage (V+) | 3 V to 5.5 V | — |
| Common-Mode Bus Voltage | 0 V to 26 V | — |
| Shunt Voltage Full-Scale (PGA=1) | ±320 mV | — |
| Bus Voltage Range | 0 V to 26 V | 0 V to 26 V |
| ADC Resolution | 12-bit (Shunt), 12-bit (Bus) | 12 bit |
| Current Sense Accuracy (A grade) | ±1% (max) | — |
| Input Offset Voltage | ±50 µV (max) | — |
| Input Offset Drift | ±0.5 µV/°C (max) | — |
| 电源电流 | 1 mA (max, operating) | — |
| 接口 | I2C / SMBus-compatible | I2C / SMBUS compatible |
| I2C Address Options | 16 (A0, A1 pins) | — |
| I2C Modes | Standard 100 kHz, Fast 400 kHz, High-Speed 3.4 MHz | — |
| Alert/Comparator Pin | Yes, programmable threshold | — |
| 工作温度 | -40°C to +125°C | -40C to +125C |
| 封装 | 8-SOIC (D) 3.90 mm | 8-SOIC (3.90 mm width) |
| 安装类型 | Surface Mount | Surface Mount |
| MSL 等级 | 1 (unlimited) | — |
| RoHS 状态 | Compliant | Compliant |
| Supply Voltage Range | — | 3 V to 5.5 V |
| Supply Current (max) | — | 1 mA |
| Accuracy (INA219B grade) | — | 0.5% maximum over temperature |
| Number of Programmable Addresses | — | 16 |
| Reports | — | Current, voltage, and power |
| Sensing Architecture | — | High-side |
| Programmable Features | — | Conversion times and filtering options, calibration register |
| Packaging | — | Tape & Reel (TR) |
| Lead Free Status | — | Lead Free |