Overview
The ADP7182AUJZ-1.8-R7 is a CMOS, low dropout (LDO) linear regulator produced by Analog Devices Inc. This device is designed to operate from an input voltage range of −2.7 V to −28 V and provides up to −200 mA of output current. It features high power supply rejection and low noise, making it ideal for regulating high-performance analog and mixed-signal circuits. The ADP7182AUJZ-1.8-R7 is particularly suited for noise-sensitive applications such as analog-to-digital converter (ADC) and digital-to-analog converter (DAC) circuits, precision amplifiers, and various industrial and medical devices.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | −2.7 V to −28 V | V |
| Output Current | −200 mA | mA |
| Output Voltage (Fixed) | −1.8 V | V |
| Low Dropout Voltage | −185 mV (typ) at −200 mA load | mV |
| Initial Accuracy | ±1% | % |
| Accuracy over Line, Load, and Temperature | +2% max / −3% min | % |
| Quiescent Current | −650 μA (typ) at −200 mA load | μA |
| Shutdown Current | −2 μA (typ) | μA |
| Operating Temperature Range | −40°C to +125°C | °C |
| Package Type | 5-lead TSOT | |
| Noise | 18 μV rms | μV |
Key Features
- High power supply rejection ratio (PSRR) and low noise (18 μV rms) for excellent line and load transient response.
- Positive or negative enable logic for maximum flexibility.
- Adjustable output voltage via an external feedback divider (for adjustable versions).
- Current-limit and thermal overload protection.
- Low quiescent current and low shutdown current.
- Supported by ADIsimPower design tool for easy configuration and simulation.
Applications
- Noise-sensitive applications such as analog-to-digital converter (ADC) and digital-to-analog converter (DAC) circuits.
- Precision amplifiers.
- Communications and infrastructure.
- Medical and healthcare devices.
- Industrial and instrumentation applications.
Q & A
- What is the input voltage range of the ADP7182AUJZ-1.8-R7? The input voltage range is from −2.7 V to −28 V.
- What is the maximum output current of the ADP7182AUJZ-1.8-R7? The maximum output current is −200 mA.
- What is the fixed output voltage of the ADP7182AUJZ-1.8-R7? The fixed output voltage is −1.8 V.
- What is the typical low dropout voltage of the ADP7182AUJZ-1.8-R7? The typical low dropout voltage is −185 mV at a −200 mA load.
- Does the ADP7182AUJZ-1.8-R7 have current-limit and thermal overload protection? Yes, it does.
- What is the operating temperature range of the ADP7182AUJZ-1.8-R7? The operating temperature range is from −40°C to +125°C.
- What package type is the ADP7182AUJZ-1.8-R7 available in? It is available in a 5-lead TSOT package.
- What is the noise level of the ADP7182AUJZ-1.8-R7? The noise level is 18 μV rms.
- Can the enable logic of the ADP7182AUJZ-1.8-R7 interface with positive or negative logic levels? Yes, it can.
- Is the ADP7182AUJZ-1.8-R7 supported by any design tools? Yes, it is supported by the ADIsimPower design tool.
