OPA2277UA vs LT1012CD 对比
详细并排对比 OPA2277UA 出自 Texas Instruments 和 LT1012CD 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。
Texas Instruments
LT1012CD - Precision Op Amp, 25µV Offset, 8-SOIC | Texas Instruments
LT1012CD ✓ 量产中规格对比
| 参数 | OPA2277UA | LT1012CD |
|---|---|---|
| 品牌 | Texas Instruments | Texas Instruments |
| 分类 | Amplifier ICs | Amplifier ICs |
| 生命周期状态 | 有效 | 有效 |
| Number of Channels | 2 (Dual) | — |
| Amplifier Type | Precision Operational Amplifier | Precision Operational Amplifier |
| Input Offset Voltage (max) | 10 µV | — |
| Offset Drift (typ) | ±0.1 µV/°C | — |
| Open-Loop Gain (min) | 134 dB | — |
| Common-Mode Rejection (min) | 140 dB | — |
| Power-Supply Rejection (min) | 130 dB | — |
| Quiescent Current per Channel (typ) | 800 µA | — |
| Supply Voltage Range | ±2 V to ±18 V | ±2 V to ±20 V (typical dual supply) |
| Supply Voltage (Single) | 4 V to 36 V | — |
| Gain-Bandwidth Product | 1 MHz | — |
| Slew Rate | 2 V/µs | 0.2 V/µs typical |
| Output Swing (RL=2 kΩ, ±15V) | ±14 V (within 1 V of rails) | — |
| 工作温度范围 | -40°C to +125°C | -40°C to +85°C (commercial grade) |
| 封装 | 8-pin SOIC (D) | 8-SOIC (0.154", 3.90 mm width) |
| 安装类型 | Surface Mount | Surface Mount |
| MSL 等级 | 3 (168 hours) | [DATA_NEEDED: MSL level] |
| RoHS 状态 | Compliant | [DATA_NEEDED: rohs status] |
| Manufacturer | — | Texas Instruments (originally Linear Technology) |
| Number of Circuits | — | 1 |
| Input Offset Voltage (Vos) | — | 25 µV typical, 200 µV maximum |
| Input Bias Current (Ib) | — | 40 pA maximum |
| Voltage Gain (Aol) | — | 1,000,000 (1M) minimum |
| Output Current | — | 5 mA (with voltage gain of 1M) |
| Common-Mode Rejection Ratio (CMRR) | — | Extremely high (per datasheet) |
| Power Supply Rejection Ratio (PSRR) | — | Extremely high (per datasheet) |
| Compensation | — | Internally compensated |
| Power Dissipation (Ni-Cad operation) | — | 1 mW |