Overview
The ADP7118AUJZ-1.8-R7 is a CMOS, low dropout (LDO) linear regulator produced by Analog Devices Inc. This regulator operates from an input voltage range of 2.7 V to 20 V and provides up to 200 mA of output current. It is designed for high-performance analog and mixed-signal circuits, offering excellent line and load transient response with a small 2.2 µF ceramic output capacitor. The device is available in a TSOT-23-5 package, making it suitable for space-constrained applications.
Key Specifications
| Parameter | Value |
|---|---|
| Input Voltage Range | 2.7 V to 20 V |
| Output Voltage | Fixed 1.8 V (adjustable options available) |
| Maximum Output Current | 200 mA |
| Output Noise (10 Hz to 100 kHz) | 11 µV rms |
| Power Supply Rejection Ratio (PSRR) | 88 dB at 10 kHz, 68 dB at 100 kHz, 50 dB at 1 MHz |
| Initial Accuracy | ±0.8% |
| Package | TSOT-23-5 |
| Assembly Type | SMT Assembly |
Key Features
- Low noise: 11 µV rms independent of the fixed output voltage
- High power supply rejection ratio (PSRR): 88 dB at 10 kHz, 68 dB at 100 kHz, 50 dB at 1 MHz
- Excellent line and load transient response with a small 2.2 µF ceramic output capacitor
- Low dropout voltage, making it suitable for high input voltage applications
- Enable pin for turning the output on and off
- Adjustable output voltage option using an external voltage divider
Applications
- Communications and infrastructure
- Medical and healthcare devices
- Industrial and instrumentation systems
- Power for VCO VTUNE control in precision amplifiers
Q & A
- What is the input voltage range of the ADP7118AUJZ-1.8-R7? The input voltage range is from 2.7 V to 20 V.
- What is the maximum output current of the ADP7118AUJZ-1.8-R7? The maximum output current is 200 mA.
- What is the output noise of the ADP7118AUJZ-1.8-R7? The output noise is 11 µV rms from 10 Hz to 100 kHz.
- What is the power supply rejection ratio (PSRR) of the ADP7118AUJZ-1.8-R7? The PSRR is 88 dB at 10 kHz, 68 dB at 100 kHz, and 50 dB at 1 MHz.
- Can the output voltage of the ADP7118AUJZ-1.8-R7 be adjusted? Yes, the output voltage can be adjusted using an external voltage divider.
- What package type is the ADP7118AUJZ-1.8-R7 available in? It is available in a TSOT-23-5 package.
- What is the assembly type of the ADP7118AUJZ-1.8-R7? It is an SMT (Surface Mount Technology) assembly.
- What are some common applications of the ADP7118AUJZ-1.8-R7? Common applications include communications and infrastructure, medical and healthcare devices, industrial and instrumentation systems, and power for VCO VTUNE control in precision amplifiers.
- How do you enable or disable the output of the ADP7118AUJZ-1.8-R7? The output can be enabled or disabled using the EN pin.
- What is the initial accuracy of the ADP7118AUJZ-1.8-R7? The initial accuracy is ±0.8%.
