Overview
The ADP7104ARDZ-9.0-R7 is a CMOS, low dropout linear regulator (LDO) produced by Analog Devices Inc. This regulator 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 for high-performance analog and mixed-signal circuits, offering low noise, high power supply rejection ratio (PSRR), and excellent line and load transient response. The ADP7104ARDZ-9.0-R7 is available in an 8-lead SOIC package with an exposed pad, which enhances thermal performance and provides a compact solution for various applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Input Voltage Range | 3.3 | 20 | V | |
| Maximum Output Current | 500 | mA | ||
| Output Voltage (Fixed) | 9.0 | V | ||
| Output Voltage Accuracy | 0.8% | |||
| Dropout Voltage | 350 | mV | ||
| Output Noise Voltage (rms) | 15 | μV | ||
| PSRR at 10 kHz | 60 | dB | ||
| Thermal Shutdown Threshold | 150 | °C | ||
| Package Type | 8-lead SOIC with Exposed Pad |
Key Features
- Low dropout voltage of 350 mV
- Low noise output of 15 μV rms
- High PSRR of 60 dB at 10 kHz
- Power-good indicator for monitoring output voltage health
- User-programmable precision undervoltage lockout (UVLO) function
- Compact 8-lead SOIC package with exposed pad for enhanced thermal performance
- Fixed and adjustable output voltage options (1.22 V to VIN - VDO)
Applications
- Regulation for noise-sensitive applications such as 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 ADP7104ARDZ-9.0-R7?
The input voltage range is from 3.3 V to 20 V.
- What is the maximum output current of the ADP7104ARDZ-9.0-R7?
The maximum output current is 500 mA.
- What is the output voltage accuracy of the ADP7104ARDZ-9.0-R7?
The output voltage accuracy is 0.8%.
- What is the dropout voltage of the ADP7104ARDZ-9.0-R7?
The dropout voltage is 350 mV.
- What is the noise level of the ADP7104ARDZ-9.0-R7?
The output noise voltage is 15 μV rms.
- What is the PSRR of the ADP7104ARDZ-9.0-R7 at 10 kHz?
The PSRR is 60 dB at 10 kHz.
- Does the ADP7104ARDZ-9.0-R7 have a power-good indicator?
Yes, it includes a digital power-good output for monitoring the health of the output voltage.
- What is the thermal shutdown threshold of the ADP7104ARDZ-9.0-R7?
The thermal shutdown threshold is 150°C.
- In what package is the ADP7104ARDZ-9.0-R7 available?
The ADP7104ARDZ-9.0-R7 is available in an 8-lead SOIC package with an exposed pad.
- What are some typical applications of the ADP7104ARDZ-9.0-R7?
Typical applications include noise-sensitive circuits, communications, medical devices, and industrial instrumentation.
