OPA646U vs OPA643U 对比
详细并排对比 OPA646U 出自 Texas Instruments 和 OPA643U 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 | OPA646U | OPA643U |
|---|---|---|
| 品牌 | Texas Instruments | Texas Instruments |
| 分类 | Amplifier ICs | Amplifier ICs |
| 生命周期状态 | 有效 | 有效 |
| Product Type | Low-power, wide-bandwidth operational amplifier | Wideband low-distortion high-gain operational amplifier |
| Amplifier Type | Voltage-feedback amplifier | — |
| Number of Circuits | 1 circuit per package | — |
| 封装 | 8-pin SOIC | — |
| 安装类型 | Surface mount | Surface mount |
| Manufacturer | Burr-Brown, acquired by Texas Instruments | — |
| Supply Voltage Range | [DATA_NEEDED: supply voltage range] | [DATA_NEEDED: supply voltage range] |
| Gain-Bandwidth Product | [DATA_NEEDED: gain-bandwidth product] | 800 MHz |
| Slew Rate | [DATA_NEEDED: slew rate] | 1000 V/µs |
| Input Offset Voltage | [DATA_NEEDED: input offset voltage] | [DATA_NEEDED: input offset voltage] |
| Input Bias Current | [DATA_NEEDED: input bias current] | [DATA_NEEDED: input bias current] |
| Equivalent Input Noise | [DATA_NEEDED: equivalent input noise] | — |
| Input Common-Mode Range | [DATA_NEEDED: input common-mode range] | — |
| Output Voltage Swing | [DATA_NEEDED: output voltage swing] | [DATA_NEEDED: output voltage swing] |
| 静态电流 | [DATA_NEEDED: quiescent current] | — |
| Open-Loop Gain | [DATA_NEEDED: open-loop gain] | — |
| Unity-Gain Bandwidth | [DATA_NEEDED: unity-gain bandwidth] | — |
| 工作温度范围 | [DATA_NEEDED: operating temperature range] | [DATA_NEEDED: operating temperature range] |
| RoHS 状态 | [DATA_NEEDED: RoHS status] | [DATA_NEEDED: RoHS status] |
| REACH Status | [DATA_NEEDED: REACH status] | [DATA_NEEDED: REACH status] |
| Verified Distributor Price | USD 1.6474 as of 2026-10-28 | — |
| Architecture | — | De-compensated voltage-feedback architecture with two internal gain stages |
| Input Voltage Noise | — | 2.3 nV/√Hz |
| Low-Distortion Frequency | — | 5 MHz |
| Minimum Stable Gain | — | 3 |
| OPA643U Package | — | 8-pin SOIC |
| Terminal Count | — | 8 terminals |
| Package Shape | — | Rectangular |
| Terminal Form | — | Gull wing |
| Temperature Grade | — | Industrial |
| Common-Mode Input Range | — | [DATA_NEEDED: common-mode input voltage range] |
| AEC-Q100 Qualification | — | [DATA_NEEDED: AEC-Q100 qualification status] |