Overview
The AD8551ARMZ is a zero-drift, single-supply, rail-to-rail input/output operational amplifier produced by Analog Devices Inc. This amplifier is part of the AD8551, AD8552, and AD8554 family, known for their high accuracy and low cost. The AD8551ARMZ is a single-channel amplifier that operates from a single supply voltage ranging from 2.7 V to 5 V, making it versatile for various precision applications.
Key Specifications
| Parameter | Value |
|---|---|
| Input Offset Voltage (Vos) | 1 μV |
| Offset Voltage Drift (ΔVOS/ΔT) | 0.005 μV/°C |
| Common-Mode Rejection Ratio (CMRR) | 115 dB to 130 dB |
| Power Supply Voltage | 2.7 V to 5 V |
| Supply Current per Op Amp | 700 μA |
| Input Bias Current | 10 pA to 50 pA |
| Output Voltage Range | Rail-to-Rail |
| Bandwidth | 1.5 MHz |
| Package Type | 8-MSOP, 8-TSSOP |
Key Features
- Zero-drift architecture for ultra-low offset voltage and drift.
- Rail-to-rail input and output swings for maximum signal range.
- No external capacitors required.
- Low supply current of 700 μA per op amp.
- High common-mode rejection ratio (CMRR) of 115 dB to 130 dB.
- Low input bias current of 10 pA to 50 pA.
- Fast overload recovery time of 50 μs.
- Input overvoltage protection.
Applications
- Temperature sensors.
- Pressure sensors.
- Precision current sensing.
- Strain gage amplifiers.
- Medical instrumentation.
- Thermocouple amplifiers.
Q & A
- What is the input offset voltage of the AD8551ARMZ?
The input offset voltage of the AD8551ARMZ is 1 μV.
- What is the operating supply voltage range for the AD8551ARMZ?
The AD8551ARMZ operates from a single supply voltage ranging from 2.7 V to 5 V.
- Does the AD8551ARMZ require external capacitors?
No, the AD8551ARMZ does not require external capacitors.
- What is the common-mode rejection ratio (CMRR) of the AD8551ARMZ?
The CMRR of the AD8551ARMZ is 115 dB to 130 dB.
- What is the bandwidth of the AD8551ARMZ?
The bandwidth of the AD8551ARMZ is 1.5 MHz.
- What are the typical applications of the AD8551ARMZ?
The AD8551ARMZ is typically used in temperature sensors, pressure sensors, precision current sensing, strain gage amplifiers, medical instrumentation, and thermocouple amplifiers.
- What is the supply current per op amp for the AD8551ARMZ?
The supply current per op amp for the AD8551ARMZ is 700 μA.
- Does the AD8551ARMZ have input overvoltage protection?
- What is the overload recovery time of the AD8551ARMZ?
The overload recovery time of the AD8551ARMZ is 50 μs.
- In what package types is the AD8551ARMZ available?
The AD8551ARMZ is available in 8-MSOP and 8-TSSOP packages).
