Overview
The AD8541AKSZ-REEL7 is a single, rail-to-rail input and output, single-supply operational amplifier produced by Analog Devices Inc. This component is part of the AD8541/AD8542/AD8544 family, known for their low supply current and high bandwidth. The AD8541 is designed to operate from a single supply voltage ranging from 2.7 V to 5.5 V, making it versatile for various applications. It features very low input bias currents and a high gain bandwidth product, making it suitable for precision and low-power applications.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Supply Voltage | V_S | 2.7 | 5.5 | V | ||
| Offset Voltage | V_OS | -40°C ≤ TA ≤ +125°C | 1 | 6 | 7 | mV |
| Input Bias Current | I_B | -40°C ≤ TA ≤ +85°C | 4 | 60 | 100 | pA |
| Input Offset Current | I_OS | -40°C ≤ TA ≤ +85°C | 0.1 | 30 | 50 | pA |
| Common-Mode Rejection Ratio | CMRR | V_CM = 0 V to 2.7 V | 40 | 45 | 38 | dB |
| Supply Current/Amplifier | I_SY | VO = 0 V | 40 | 60 | 75 | µA |
| Slew Rate | SR | RL = 100 kΩ | 0.4 | 0.8 | V/µs | |
| Gain Bandwidth Product | GBP | 980 | kHz | |||
| Phase Margin | Φ_M | 64 | Degrees |
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 bias currents: 4 pA
- Unity gain stable
- Rail-to-rail input and output
- AEC-Q100 qualified for automotive applications
Applications
- ASIC input or output amplifiers
- Sensor interfaces
- Piezoelectric transducer amplifiers
- Medical instrumentation
- Mobile communications
- Audio outputs
- Portable systems
Q & A
- What is the supply voltage range for the AD8541AKSZ-REEL7?
The AD8541AKSZ-REEL7 operates from a single supply voltage ranging from 2.7 V to 5.5 V.
- What is the typical supply current per amplifier?
The typical supply current per amplifier is 45 µA.
- What is the bandwidth of the AD8541AKSZ-REEL7?
The bandwidth of the AD8541AKSZ-REEL7 is 1 MHz.
- Does the AD8541AKSZ-REEL7 have rail-to-rail input and output capabilities?
Yes, the AD8541AKSZ-REEL7 has rail-to-rail input and output capabilities.
- What is the common-mode rejection ratio (CMRR) of the AD8541AKSZ-REEL7?
The CMRR of the AD8541AKSZ-REEL7 is typically 45 dB.
- What are some typical applications of the AD8541AKSZ-REEL7?
Typical applications include ASIC input or output amplifiers, sensor interfaces, piezoelectric transducer amplifiers, medical instrumentation, mobile communications, audio outputs, and portable systems.
- Is the AD8541AKSZ-REEL7 qualified for automotive applications?
Yes, the AD8541AKSZ-REEL7 is AEC-Q100 qualified for automotive applications.
- What is the slew rate of the AD8541AKSZ-REEL7?
The slew rate of the AD8541AKSZ-REEL7 is typically 0.4 V/µs to 0.8 V/µs.
- What is the gain bandwidth product (GBP) of the AD8541AKSZ-REEL7?
The GBP of the AD8541AKSZ-REEL7 is 980 kHz.
- What is the phase margin of the AD8541AKSZ-REEL7?
The phase margin of the AD8541AKSZ-REEL7 is typically 64 degrees.
