Overview
The AD8544ARZ from Analog Devices Inc. is a quad operational amplifier that features rail-to-rail input and output, single-supply operation, and very low supply current. This amplifier is designed to operate from a 2.7V to 5.5V single supply, making it versatile for various applications. With a bandwidth of 1 MHz and a low current consumption of 45 μA per amplifier, it is ideal for battery-operated devices and systems requiring low power consumption. The AD8544ARZ is optimized for high gains at lower supply voltages, making it suitable for active filters, gain stages, and other high-precision applications.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Supply Voltage | 2.7 | 5.5 | V | ||
| Bandwidth | 1 | MHz | |||
| Supply Current per Amplifier | 40 | 45 | 75 | μA | |
| Input Bias Current | VS = 2.7V, VCM = 1.35V, TA = 25°C | 4 | 60 | 1000 | pA |
| Input Offset Voltage | VS = 2.7V, VCM = 1.35V, TA = 25°C | 6 | 7 | mV | |
| Common-Mode Rejection Ratio | VCM = 0 V to 2.7V, VS = 2.7V, TA = 25°C | 45 | dB | ||
| Slew Rate | RL = 100 kΩ, VS = 2.7V, VCM = 1.35V, TA = 25°C | 0.4 | 0.75 | V/μs | |
| Gain Bandwidth Product | VS = 2.7V, VCM = 1.35V, TA = 25°C | 980 | kHz | ||
| Temperature Range | -40 | 125 | °C | ||
| Package | 14-lead SOIC-N |
Key Features
- Single-supply operation: 2.7 V to 5.5 V
- Low supply current: 45 μA per amplifier
- Wide bandwidth: 1 MHz
- No phase reversal
- Low input currents: 4 pA
- Unity gain stable, rail-to-rail input and output
- AEC-Q100 qualified for automotive applications
- High common-mode rejection ratio (CMRR): 45 dB typ
- Low voltage noise density: 38 nV/√Hz at f = 10 kHz
- Operating temperature range: -40°C to +125°C
Applications
- ASIC input or output amplifiers
- Sensor interfaces
- Piezoelectric transducer amplifiers
- Medical instrumentation
- Mobile communications
- Audio outputs
- Portable systems
- Active filters and gain stages
Q & A
- What is the supply voltage range for the AD8544ARZ?
The AD8544ARZ operates from a 2.7 V to 5.5 V single supply.
- What is the bandwidth of the AD8544ARZ?
The bandwidth of the AD8544ARZ is 1 MHz.
- What is the typical supply current per amplifier for the AD8544ARZ?
The typical supply current per amplifier is 45 μA.
- Does the AD8544ARZ have rail-to-rail input and output capabilities?
Yes, the AD8544ARZ features rail-to-rail input and output.
- What is the common-mode rejection ratio (CMRR) of the AD8544ARZ?
The CMRR is typically 45 dB.
- What is the slew rate of the AD8544ARZ?
The slew rate is typically 0.75 V/μs.
- What is the gain bandwidth product of the AD8544ARZ?
The gain bandwidth product is 980 kHz.
- What is the operating temperature range for the AD8544ARZ?
The operating temperature range is -40°C to +125°C.
- Is the AD8544ARZ AEC-Q100 qualified?
Yes, the AD8544ARZ is AEC-Q100 qualified for automotive applications.
- What package type is the AD8544ARZ available in?
The AD8544ARZ is available in a 14-lead SOIC-N package.
