Overview
The OP213FSZ, produced by Analog Devices Inc., is a member of the OPx13 family of single-supply operational amplifiers. These amplifiers are designed to offer low noise and low drift, making them ideal for systems that utilize internal calibration. The OP213FSZ is particularly suited for applications where precision and stability are crucial, such as in digital scales, multimedia, strain gages, battery-powered instrumentation, and temperature transducer amplifiers. The amplifier operates from single supplies ranging from 4 V to 36 V and maintains its performance over an extended industrial temperature range of –40°C to +85°C.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Offset Voltage | VOS | −40°C ≤ TA ≤ +85°C | 100 | 250 | 325 | μV |
| Input Bias Current | IB | VCM = 0 V, −40°C ≤ TA ≤ +85°C | 240 | 600 | 600 | nA |
| Input Offset Current | IOS | VCM = 0 V, −40°C ≤ TA ≤ +85°C | 50 | 50 | nA | |
| Input Voltage Range | VCM | −15 V ≤ VCM ≤ +14 V | V | |||
| Common-Mode Rejection | CMR | −15 V ≤ VCM ≤ +14 V, −40°C ≤ TA ≤ +85°C | 97 | 116 | 94 | dB |
| Output Voltage Swing High | VOH | RL = 2 kΩ, −40°C ≤ TA ≤ +85°C | 13.9 | V | ||
| Output Voltage Swing Low | VOL | RL = 600 Ω, −40°C ≤ TA ≤ +85°C | 8 | mV | ||
| Bandwidth | 3.4 | MHz | ||||
| Slew Rate | 1 | V/μs | ||||
| Noise Density | 1 kHz | 4.7 | nV/√Hz |
Key Features
- Low Noise: 4.7 nV/√Hz at 1 kHz and 120 nV p-p in the 0.1 Hz to 10 Hz band.
- Low Drift: Offset voltage drift of 0.2 μV/°C to 0.8 μV/°C.
- Wide Bandwidth: 3.4 MHz gain bandwidth product.
- High Slew Rate: Exceeds 1 V/μs.
- Unity Gain Stable: Stable at unity gain.
- Phase Reversal Protection: Designed to prevent phase reversal when input voltage range is exceeded.
- Single-Supply Operation: Operates from single supplies ranging from 4 V to 36 V.
- Extended Industrial Temperature Range: Specified for operation from –40°C to +85°C.
- Output Voltage Swing: Output voltage swings include the negative supply and go to within 1 V of the positive rail.
Applications
- Digital Scales: Benefits from the low noise and low drift characteristics.
- Multimedia: Used in various multimedia applications requiring precision amplification.
- Strain Gages: Ideal for strain gage applications due to its low noise and drift.
- Battery-Powered Instrumentation: Suitable for battery-powered systems requiring low power and high precision.
- Temperature Transducer Amplifiers: Used in temperature measurement applications requiring stable and precise amplification.
- Analog-to-Digital (ADC) and Digital-to-Analog (DAC) Converters: Used as buffers or amplifiers in high-resolution converters.
Q & A
- What is the typical noise density of the OP213FSZ at 1 kHz?
4.7 nV/√Hz.
- What is the maximum offset voltage drift of the OP213FSZ?
0.8 μV/°C.
- What is the gain bandwidth product of the OP213FSZ?
3.4 MHz.
- What is the slew rate of the OP213FSZ?
Exceeds 1 V/μs.
- Is the OP213FSZ unity gain stable?
Yes, it is unity gain stable.
- What is the input voltage range of the OP213FSZ?
The input voltage range includes the negative supply and goes to within 1 V of the positive supply.
- What is the output voltage swing of the OP213FSZ?
The output voltage swing includes the negative supply and goes to within 1 V of the positive rail.
- What temperature range is the OP213FSZ specified for?
The OP213FSZ is specified for operation from –40°C to +85°C.
- What types of packages are available for the OP213FSZ?
The OP213FSZ is available in PDIP and SOIC surface-mount packages.
- What are some common applications of the OP213FSZ?
Digital scales, multimedia, strain gages, battery-powered instrumentation, and temperature transducer amplifiers.
