Overview
The ADA4177-2ARMZ-RL is a dual-channel operational amplifier produced by Analog Devices Inc. This device is renowned for its precision and robustness, making it suitable for a wide range of applications. It features low offset voltage, low input bias current, and low noise, along with a high level of electromagnetic interference (EMI) rejection. The amplifier is unity-gain stable and can operate with capacitive loads without external compensation. It is packaged in an 8-lead mini small outline package (MSOP) and is specified to operate over a temperature range of -40°C to +125°C.
Key Specifications
| Parameter | Symbol | Test Conditions/Comments | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Input Offset Voltage | VOS | At 25°C | - | 3 µV | 60 µV | µV |
| Input Offset Voltage Drift | VOS/°C | - | - | 1.6 µV/°C | µV/°C | |
| Input Bias Current | IB | - | -0.4 nA | 0.75 nA | nA | |
| Supply Current per Amplifier | ISY | VOUT = 0 V | 500 µA | 560 µA | 600 µA | µA |
| Slew Rate | SR | RL = 2 kΩ | - | 1.5 V/µs | - | V/µs |
| Gain Bandwidth Product | GBP | VIN = 10 mV p-p, RL = 2 kΩ, AV = 100 | - | 3.5 MHz | - | MHz |
| Unity-Gain Crossover | UGC | VIN = 10 mV p-p, RL = 2 kΩ, AV = 1 | - | 3.5 MHz | - | MHz |
| -3 dB Bandwidth | f-3 dB | VIN = 10 mV p-p, RL = 2 kΩ, AV = 1 | - | 6 MHz | - | MHz |
| Output Voltage High | VOH | ILOAD = 1 mA | - | 4.95 V | - | V |
| Output Voltage Low | VOL | ILOAD = 1 mA | - | -4.95 V | - | V |
| EMI Rejection | EMIR | f = 1000 MHz | - | 70 dB | - | dB |
Key Features
- Low Offset Voltage: Typical 3 µV, maximum 60 µV at 25°C.
- Low Offset Voltage Drift: Maximum 1.6 µV/°C.
- Low Input Bias Current: Typical -0.4 nA.
- Low Noise: Voltage noise density of 8 nV/√Hz at 1 kHz.
- Low Current Consumption: Typical 500 µA per amplifier.
- High EMI Rejection: 70 dB at 1000 MHz and 90 dB at 2400 MHz.
- Rail-to-Rail Output Swing: Stable with capacitive loads over 1000 pF without external compensation.
- Wide Bandwidth: Gain bandwidth product of 3.5 MHz and unity-gain crossover of 3.5 MHz.
- Dual-Supply Operation: Specified at ±5 V to ±15 V, operates over ±2.5 V to ±18 V.
- No Phase Reversal: Ensures stable operation without phase reversal.
Applications
- Wireless Base Station Control Circuits: Suitable for precision signal conditioning in wireless base stations.
- Optical Network Control Circuits: Used in optical network control applications requiring high precision and low noise.
- Instrumentation: Ideal for various instrumentation applications due to its high accuracy and stability.
- Sensors and Controls: Applicable in sensor signal conditioning for thermocouples, RTDs, strain gages, and shunt current measurements.
Q & A
- What is the typical input offset voltage of the ADA4177-2ARMZ-RL?
The typical input offset voltage is 3 µV.
- What is the maximum input offset voltage drift for the ADA4177-2ARMZ-RL?
The maximum input offset voltage drift is 1.6 µV/°C.
- What is the typical input bias current of the ADA4177-2ARMZ-RL?
The typical input bias current is -0.4 nA.
- What is the supply current per amplifier for the ADA4177-2ARMZ-RL?
The typical supply current per amplifier is 500 µA.
- What is the gain bandwidth product of the ADA4177-2ARMZ-RL?
The gain bandwidth product is 3.5 MHz for AV = 100.
- What is the EMI rejection at 1000 MHz for the ADA4177-2ARMZ-RL?
The EMI rejection at 1000 MHz is 70 dB.
- Is the ADA4177-2ARMZ-RL unity-gain stable?
Yes, the ADA4177-2ARMZ-RL is unity-gain stable.
- What is the operating temperature range for the ADA4177-2ARMZ-RL?
The operating temperature range is -40°C to +125°C.
- What are some common applications of the ADA4177-2ARMZ-RL?
Common applications include wireless base station control circuits, optical network control circuits, instrumentation, and sensor signal conditioning.
- What is the packaging style of the ADA4177-2ARMZ-RL?
The packaging style is an 8-lead mini small outline package (MSOP).
