Overview
The ADM660ARZ-REEL7, produced by Analog Devices Inc., is a CMOS switched-capacitor voltage converter that offers versatile voltage conversion capabilities. This device can either invert the input supply voltage or double it, making it a valuable component in various power management applications. The ADM660 is designed to be a pin-compatible upgrade for several other voltage converters, including the MAX660, MAX665, ICL7660, and LTC1046. It is available in several package options, including 8-lead DIP, narrow-body SOIC, and 16-lead TSSOP.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Input Voltage, V+ | 1.5 | - | 7.0 | V | RL = 1 kW, Inverting Mode, LV = Open or GND |
| Supply Current (No Load) | 0.6 | 1 | - | mA | FC = Open (ADM660), GND (ADM8660) |
| Output Current | - | - | 100 | mA | - |
| Output Resistance | 9 | - | 15 | Ω | IL = 100 mA, TA = 25°C |
| Charge-Pump Frequency | 25 | - | 120 | kHz | FC = Open (ADM660), GND (ADM8660) or FC = V+ |
| Operating Temperature Range | -40 | - | 85 | °C | - |
Key Features
- Inverting and Doubling Modes: The ADM660 can invert the input supply voltage or double it, providing flexibility in power management applications.
- Low Power Consumption: The device features a low quiescent current of 600 μA, making it suitable for low-power applications.
- Selectable Charge Pump Frequency: The charge pump frequency can be set to either 25 kHz or 120 kHz, allowing for optimization based on the application.
- Shutdown Function (ADM8660): The ADM8660 includes a shutdown feature that reduces power consumption when the device is not in use.
- Compact Packaging: Available in 8-lead DIP, narrow-body SOIC, and 16-lead TSSOP packages, making it suitable for a variety of board designs.
Applications
- Handheld Instruments: Ideal for powering components in portable devices where space and power efficiency are critical.
- Portable Computers: Used in power supply circuits for laptops and other mobile computing devices.
- Remote Data Acquisition: Suitable for remote sensing and data acquisition systems that require reliable and efficient power management.
- Op Amp Power Supplies: Can be used to generate the necessary voltages for operational amplifier circuits.
Q & A
- What are the primary functions of the ADM660?
The ADM660 can either invert the input supply voltage or double it, providing two distinct voltage conversion modes.
- What is the typical quiescent current of the ADM660?
The typical quiescent current is 600 μA.
- What are the available package options for the ADM660?
The ADM660 is available in 8-lead DIP, narrow-body SOIC, and 16-lead TSSOP packages.
- What is the maximum output current of the ADM660?
The maximum output current is 100 mA.
- Can the charge pump frequency be adjusted?
Yes, the charge pump frequency can be set to either 25 kHz or 120 kHz.
- Does the ADM660 have a shutdown feature?
No, the shutdown feature is available only in the ADM8660 model.
- What is the operating temperature range of the ADM660?
The operating temperature range is from -40°C to 85°C.
- What types of capacitors are required for the ADM660?
The device requires 2.2 μF or 10 μF capacitors for operation.
- Is the ADM660 pin-compatible with other voltage converters?
Yes, it is pin-compatible with MAX660, MAX665, ICL7660, and LTC1046.
- What are some common applications of the ADM660?
Common applications include handheld instruments, portable computers, remote data acquisition, and op amp power supplies.
