OPA643U vs OPA646U 对比
详细并排对比 OPA643U 出自 Texas Instruments 和 OPA646U 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 | OPA643U | OPA646U |
|---|---|---|
| 品牌 | Texas Instruments | Texas Instruments |
| 分类 | Amplifier ICs | Amplifier ICs |
| 生命周期状态 | 有效 | 有效 |
| Product Type | Wideband low-distortion high-gain operational amplifier | Low-power, wide-bandwidth operational amplifier |
| Architecture | De-compensated voltage-feedback architecture with two internal gain stages | — |
| Gain-Bandwidth Product | 800 MHz | [DATA_NEEDED: gain-bandwidth product] |
| Slew Rate | 1000 V/µs | [DATA_NEEDED: slew rate] |
| 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 | — |
| 安装类型 | Surface mount | Surface mount |
| Supply Voltage Range | [DATA_NEEDED: supply voltage range] | [DATA_NEEDED: supply voltage range] |
| 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] |
| Common-Mode Input Range | [DATA_NEEDED: common-mode input voltage range] | — |
| Output Voltage Swing | [DATA_NEEDED: output voltage swing] | [DATA_NEEDED: output voltage swing] |
| 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] |
| AEC-Q100 Qualification | [DATA_NEEDED: AEC-Q100 qualification status] | — |
| Amplifier Type | — | Voltage-feedback amplifier |
| Number of Circuits | — | 1 circuit per package |
| 封装 | — | 8-pin SOIC |
| Manufacturer | — | Burr-Brown, acquired by Texas Instruments |
| Equivalent Input Noise | — | [DATA_NEEDED: equivalent input noise] |
| Input Common-Mode Range | — | [DATA_NEEDED: input common-mode range] |
| 静态电流 | — | [DATA_NEEDED: quiescent current] |
| Open-Loop Gain | — | [DATA_NEEDED: open-loop gain] |
| Unity-Gain Bandwidth | — | [DATA_NEEDED: unity-gain bandwidth] |
| Verified Distributor Price | — | USD 1.6474 as of 2026-10-28 |