Overview
The ADP7104ARDZ-2.5-R7 is a CMOS, low dropout linear regulator (LDO) produced by Analog Devices Inc. This high input voltage LDO operates from 3.3 V to 20 V and provides up to 500 mA of output current, making it ideal for regulating high performance analog and mixed-signal circuits. The device features an advanced proprietary architecture that ensures high power supply rejection, low noise, and excellent line and load transient response with a small 1 μF ceramic output capacitor.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 3.3 V to 20 V | V |
| Output Voltage | 2.5 V | V |
| Output Current | 500 mA | mA |
| Number of Outputs | 1 Output | |
| Polarity | Positive | |
| Quiescent Current | 900 μA | μA |
| PSRR / Ripple Rejection - Typ | 60 dB at 10 kHz | dB |
| Minimum Operating Temperature | -40°C | °C |
| Maximum Operating Temperature | +125°C | °C |
| Dropout Voltage | 350 mV to 550 mV | mV |
| Line Regulation | 0.015 %/V | %/V |
| Load Regulation | 0.2 %/A | %/A |
| Package/Case | SOIC-8 |
Key Features
- Safe operating area: -40°C to +125°C
- Output current limiting: 200 mA
- Soft-start time: 2 ms
- Overvoltage protection: 25V
- Undervoltage lockout: 1.8 V
- Error amplifier gain: -20 dB at 10 kHz
- Low noise: 15 μV rms for fixed output versions
- Power-good indicator
- User programmable precision undervoltage lockout function
Applications
- Noise-sensitive ADCs, DAC circuits, precision amplifiers, high frequency oscillators, clocks, and PLLs
- Communications and infrastructure
- Medical and healthcare
- Industrial and instrumentation
Q & A
- What is the input voltage range of the ADP7104ARDZ-2.5-R7? The input voltage range is from 3.3 V to 20 V.
- What is the maximum output current of the ADP7104ARDZ-2.5-R7? The maximum output current is 500 mA.
- What is the output voltage of the ADP7104ARDZ-2.5-R7? The output voltage is 2.5 V.
- What is the quiescent current of the ADP7104ARDZ-2.5-R7? The quiescent current is 900 μA.
- What is the PSRR performance of the ADP7104ARDZ-2.5-R7? The PSRR performance is 60 dB at 10 kHz.
- What are the operating temperature ranges for the ADP7104ARDZ-2.5-R7? The operating temperature ranges are from -40°C to +125°C.
- Does the ADP7104ARDZ-2.5-R7 have overvoltage protection? Yes, it has overvoltage protection up to 25V.
- What is the dropout voltage of the ADP7104ARDZ-2.5-R7? The dropout voltage ranges from 350 mV to 550 mV.
- What package types are available for the ADP7104ARDZ-2.5-R7? It is available in 8-lead SOIC and 8-lead LFCSP packages.
- What are some typical applications of the ADP7104ARDZ-2.5-R7? Typical applications include noise-sensitive ADCs, DAC circuits, precision amplifiers, and various industrial and medical devices.
