Overview
The ADP7142AUJZ-2.5-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 40 V and provides up to 200 mA of output current. It is designed for high-performance analog and mixed-signal circuits, offering high power supply rejection, low noise, and excellent line and load transient response. The device is available in various package options, including a 6-lead LFCSP, 5-lead TSOT, and 8-lead SOIC, making it suitable for compact and low-profile applications.
Key Specifications
| Parameter | Value |
|---|---|
| Input Voltage Range | 2.7 V to 40 V |
| Maximum Output Current | 200 mA |
| Output Voltage Options | Fixed: 1.2 V, 1.5 V, 1.8 V, 2.0 V, 2.2 V, 2.5 V, 2.75 V, 2.8 V, 2.85 V, 3.0 V, 3.3 V, 3.8 V, 4.2 V, 4.6 V, 5.0 V; Adjustable |
| Output Noise | 11 µV rms (for fixed output voltage ≤ 5 V) |
| 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 Options | 6-lead LFCSP, 5-lead TSOT, 8-lead SOIC |
Key Features
- Low noise: 11 µV rms independent of fixed output voltage
- High power supply rejection ratio (PSRR): 88 dB at 10 kHz, 68 dB at 100 kHz, 50 dB at 1 MHz
- User-programmable soft start with an external capacitor (available in LFCSP and SOIC packages)
- Adjustable output voltage using an external feedback divider
- Compact and low-profile package options for high thermal performance
- Excellent line and load transient response with a small 2.2 µF ceramic output capacitor
Applications
- Communications and infrastructure
- Medical and healthcare
- Industrial and instrumentation
- Automotive
- High-performance analog and mixed-signal circuits
Q & A
- What is the input voltage range of the ADP7142AUJZ-2.5-R7? The input voltage range is from 2.7 V to 40 V.
- What is the maximum output current of the ADP7142AUJZ-2.5-R7? The maximum output current is 200 mA.
- What are the available output voltage options for the ADP7142AUJZ-2.5-R7? The device offers fixed output voltages from 1.2 V to 5.0 V and is also adjustable using an external feedback divider.
- What is the output noise of the ADP7142AUJZ-2.5-R7? The output noise is 11 µV rms for fixed output voltages ≤ 5 V.
- What are the package options available for the ADP7142AUJZ-2.5-R7? The device is available in 6-lead LFCSP, 5-lead TSOT, and 8-lead SOIC packages.
- What is the power supply rejection ratio (PSRR) of the ADP7142AUJZ-2.5-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 ADP7142AUJZ-2.5-R7 be adjusted? Yes, the output voltage can be adjusted using an external feedback divider.
- What is the initial accuracy of the ADP7142AUJZ-2.5-R7? The initial accuracy is ±0.8%.
- What are some typical applications of the ADP7142AUJZ-2.5-R7? Typical applications include communications and infrastructure, medical and healthcare, industrial and instrumentation, automotive, and high-performance analog and mixed-signal circuits.
- Does the ADP7142AUJZ-2.5-R7 support user-programmable soft start? Yes, user-programmable soft start is available with an external capacitor in LFCSP and SOIC packages.
