Overview
The ADP7104ACPZ-1.8-R7 is a high-performance, low dropout linear regulator (LDO) produced by Analog Devices Inc. This CMOS LDO operates from an input voltage range of 3.3 V to 20 V and provides up to 500 mA of output current. It is designed to offer low noise and high power supply rejection, making it ideal for regulating high-performance analog and mixed-signal circuits.
Key Specifications
| Parameter | Value |
|---|---|
| Part Number | ADP7104ACPZ-1.8-R7 |
| Manufacturer | Analog Devices Inc. |
| Output Voltage | 1.8 V |
| Output Current | 500 mA |
| Input Voltage Range | 3.3 V to 20 V |
| Quiescent Current | 900 uA |
| Dropout Voltage | 350 mV (typ), 550 mV (max) |
| Minimum Operating Temperature | -40°C |
| Maximum Operating Temperature | +125°C |
| Package / Case | 8-WFDFN Exposed Pad, CSP |
| Voltage Regulation Accuracy | 0.8 % |
| PSRR / Ripple Rejection - Typ | 60 dB at 10 kHz |
Key Features
- Low noise: 15 µV rms for fixed output versions
- High power supply rejection ratio (PSRR) of 60 dB at 10 kHz
- Low dropout voltage of 350 mV (typ) and 550 mV (max)
- Power-good indicator for monitoring output voltage health
- User-programmable precision undervoltage lockout (UVLO) function
- Available in 8-lead LFCSP and 8-lead SOIC packages with excellent thermal performance
Applications
- Regulation for noise-sensitive applications: ADC, DAC circuits, precision amplifiers, high-frequency oscillators, clocks, and PLLs
- Communications and infrastructure
- Medical and healthcare devices
- Industrial and instrumentation applications
Q & A
- What is the input voltage range of the ADP7104ACPZ-1.8-R7? The input voltage range is from 3.3 V to 20 V.
- What is the maximum output current of the ADP7104ACPZ-1.8-R7? The maximum output current is 500 mA.
- What is the typical dropout voltage of the ADP7104ACPZ-1.8-R7? The typical dropout voltage is 350 mV.
- What is the operating temperature range of the ADP7104ACPZ-1.8-R7? The operating temperature range is from -40°C to +125°C.
- What package types are available for the ADP7104ACPZ-1.8-R7? It is available in 8-lead LFCSP and 8-lead SOIC packages.
- What is the quiescent current of the ADP7104ACPZ-1.8-R7? The quiescent current is 900 uA.
- Does the ADP7104ACPZ-1.8-R7 have a power-good indicator? Yes, it has a power-good indicator for monitoring the output voltage health.
- What is the voltage regulation accuracy of the ADP7104ACPZ-1.8-R7? The voltage regulation accuracy is 0.8 %.
- What is the PSRR of the ADP7104ACPZ-1.8-R7 at 10 kHz? The PSRR is 60 dB at 10 kHz.
- Can the ADP7104ACPZ-1.8-R7 be used in noise-sensitive applications? Yes, it is suitable for noise-sensitive applications due to its low noise and high PSRR.
