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仪表放大器
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瑞萨仪表放大器（仪放）和可编程增益仪器放大器 (PGIA) 为许多工业、测试与测量、数据采集和医疗应用提供所需精度和高性能。
仪表放大器属于精密型集成式运算放大器，拥有差分输入和单端或差分输出。 一些关键特性包括超高共模抑制比 (CMRR)、高开环增益、低 直流偏置、低漂移、低输入阻抗和低噪声。 增益可编程仪表放大器是一款拥有固定增益水平的专业仪表放大器。 可通过数字方法选择适当的增益。
仪表放大器核心特征
- 超低电源电流
- <95μA 最大值电源电流
- 轨到轨输入/输出
- 单电源 2.4V 至 5.5V 操作
- 高出和低于轨值操作
- 接地感应选项
- 补偿 100 或以上增益
可编程增益仪表放大器的核心特征
- 高精度前端放大器
- 零位偏移仪表放大器
- 9 引脚可选增益选项：AV = 1 到 1,000
- 轨到轨输入/输出
- 单端输出 (ISL2853x)
- 差分输出 (ISL2863x)
- RFI 过滤输入提高了电磁干扰抑制率
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Processing table
Channels (#) |
Bandwidth (MHz) |
Gain Min |
Offset Voltage (Max) (mV) |
IBIAS (nA) |
IOUT (A) |
CMRR (dB) |
PSRR (db) |
Rail-to-Rail Input |
Rail-to-Rail Output |
IS (per amp) (mA) |
Noise VN (nV/√Hz) |
Single Supply Voltage Range (V) |
Slew Rate (V/µs) |
Slew Rate (Typical) (V/μs) |
VOUT (V) |
VS (Min) (V) |
VS (Max) (V) |
AVOL (dB) |
Topology [Rail 1] |
Enable |
Gain Error/Measurement Error (Max) |
Qualification Level |
Lead Count (#) |
Pkg. Type |
Simulation Model Available |
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 器件号 | ||||||||||||||||||||||||||
| 5V, Rail-Rail I/O, Zero-Drift, Single Ended Output Programmable Gain Instrumentation Amplifier | 1 | 2.3 | 1 | 0.005 | 0.05 | 0.004 | 138 | 140 | Yes | 是的 | 2.9 | 17 | 2.5 - 5.5 | .8 | 0.8 | 2.5 | 5.5 | 140 | VFA | No | 0.05 | Standard | 14 | TSSOP | ||
| 5V, Rail-Rail I/O, Zero-Drift, Differential Output Programmable Gain Instrumentation Amplifier | 1 | 2.3 | 1 | 0.005 | 0.05 | 0.004 | 138 | 140 | Yes | 是的 | 3 | 17 | 2.5 - 5.5 | .8 | 0.8 | 2.5 | 5.5 | 140 | VFA | No | 0.05 | Standard | 14 | TSSOP | ||
| 5V, Rail-Rail I/O, Zero-Drift, Differential Output Programmable Gain Instrumentation Amplifier | 1 | 2.3 | 1 | 0.05 | 0.04 | 138 | 140 | Yes | 是的 | 2.9 | 400 | 2.5 - 5.5 | .8 | 0.8 | 5.49 | 2.5 | 5.5 | 140 | VFA | No | 0.05 | Standard | 14 | TSSOP | ||
| Programmable Mixed-Signal Matrix with In-System Programmability and Advanced Analog Features | 2 | 8 | 1 | 1.2 | 0 | 0.052 | 103 | 102 | Yes | 否 | 0.6 | 51 | 2.5 - 5.5 | 6.4 | 6.4 | 5.5 | 2.4 | 5.5 | 125 | Yes | 24 | TQFN | ||||
| 否 | ||||||||||||||||||||||||||
| 否 | ||||||||||||||||||||||||||
| 否 |
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