Overview
The AMP03BJZ, produced by Analog Devices Inc., is a monolithic unity-gain, high-speed differential amplifier. It incorporates a matched thin-film resistor network, ensuring stable operation over temperature without the need for expensive external matched components. This amplifier is a basic analog building block for differential amplifier and instrumentation applications, offering high common-mode rejection and fast settling times, making it ideal for various high-speed applications.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Offset Voltage | VOS | VCM = 0 V | -400 | 10 | 400 | µV |
| Gain Error | - | No Load, VIN = ±10 V, RS = 0 Ω | 0.00004 | 0.008 | 0.008 | % |
| Input Voltage Range | IVR | - | -20 | - | 20 | V |
| Common-Mode Rejection | CMR | VCM = ±10 V | 85 | 100 | 95 | dB |
| Power Supply Rejection Ratio | PSRR | VS = ±6 V to ±18 V | 0.6 | 10 | 10 | µV/V |
| Output Swing | VO | RL = 2 kΩ | -12 | - | 13.7 | V |
| Short-Circuit Current Limit | ISC | Output Shorted to Ground | +45/-15 | - | - | mA |
| Small-Signal Bandwidth (–3 dB) | BW | RL = 2 kΩ | - | 3 | - | MHz |
| Slew Rate | SR | RL = 2 kΩ | 6 | 9.5 | 6 | V/µs |
| Capacitive Load Drive Capability | CL | No Oscillation | - | 300 | - | pF |
| Supply Current | ISY | No Load | 2.5 | 3.5 | 2.5 | mA |
Key Features
- High Common-Mode Rejection: The AMP03BJZ offers a common-mode rejection ratio (CMR) of up to 100 dB, making it ideal for rejecting common-mode voltages in instrumentation systems.
- Fast Slew Rate and Bandwidth: With a slew rate of 9.5 V/µs and a small-signal bandwidth of 3 MHz, this amplifier is suitable for high-speed applications.
- Stable Operation Over Temperature: The matched thin-film resistor network ensures stable operation over a wide temperature range without the need for external matched components.
- Low Cost and High Performance: The AMP03BJZ is a lower-cost and higher-speed alternative to the INA105, offering superior performance for various applications.
- Capacitive Load Drive Capability: It can drive capacitive loads up to 300 pF without oscillation.
Applications
- Summing Amplifiers: Ideal for summing multiple signals without using expensive externally matched precision resistors.
- Instrumentation Amplifiers: Suitable for instrumentation applications due to its high CMR and stable operation over temperature.
- Balanced Line Receivers: Can be used in balanced line receiver applications to reject common-mode noise.
- Current-Voltage Conversion: Useful in current-voltage conversion applications, such as 4 to 20 mA current transmitters.
- Precision Voltage Reference Applications: Can be used in precision voltage reference applications due to its high stability and accuracy.
- Data Acquisition Systems: Ideal for buffering signals in noisy environments into data acquisition systems.
Q & A
- What is the typical common-mode rejection ratio (CMR) of the AMP03BJZ?
The typical CMR of the AMP03BJZ is 100 dB.
- What is the slew rate of the AMP03BJZ?
The slew rate of the AMP03BJZ is typically 9.5 V/µs.
- What is the small-signal bandwidth of the AMP03BJZ?
The small-signal bandwidth of the AMP03BJZ is 3 MHz.
- What is the input voltage range of the AMP03BJZ?
The input voltage range of the AMP03BJZ is ±20 V.
- What is the supply current of the AMP03BJZ?
The supply current of the AMP03BJZ is typically 3.5 mA with no load.
- Can the AMP03BJZ drive capacitive loads?
Yes, the AMP03BJZ can drive capacitive loads up to 300 pF without oscillation.
- What are some common applications of the AMP03BJZ?
The AMP03BJZ is commonly used in summing amplifiers, instrumentation amplifiers, balanced line receivers, current-voltage conversion, precision voltage reference applications, and data acquisition systems.
- How does the AMP03BJZ compare to the INA105?
The AMP03BJZ is a higher-speed alternative to the INA105, offering superior performance for high-speed applications.
- What is the operating temperature range of the AMP03BJZ?
The operating temperature range of the AMP03BJZ is -40°C to +85°C for the AMP03F and AMP03G versions, and -55°C to +125°C for the AMP03B version.
- Does the AMP03BJZ require external matched components?
No, the AMP03BJZ does not require external matched components due to its internal matched thin-film resistor network.
