ADM8829ARTZ

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ADM8829ARTZ

+BOM

ADI CHARGED PUMP INVERTER I.C.

  • ManufacturerAnalog Devices

  • Mfr. Part #ADM8829ARTZ

  • In Stock23330

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Specifications

Attribute Value
StandardPackQty 10000

Overview

Description

The ADM8829ARTZ is a switched capacitor voltage inverter manufactured by Analog Devices. It is designed to efficiently invert an input voltage, converting a positive input voltage to a negative output voltage. This component is particularly useful in applications where a negative voltage rail is needed from a positive supply, such as in dual-supply systems.
Key features of the ADM8829ARTZ include low power consumption, with a typical operating current of around 37 µA, and the ability to deliver up to 25 mA of output current. It operates over a wide input voltage range, typically from 1.5 V to 5.5 V. The device is also equipped with a shutdown function to minimize power consumption when not in use.
The ADM8829ARTZ comes in a compact SOT-23 package, making it suitable for space-constrained applications. Its design ensures minimal external components, often just requiring a couple of capacitors for operation, which simplifies the overall circuit design.
Overall, the ADM8829ARTZ is ideal for portable and battery-powered devices requiring efficient voltage inversion.

Equivalent

The ADM8829ARTZ is a charge-pump voltage inverter. Equivalent products include the MAX828 and MAX870 from Maxim Integrated, the LTC1983 from Analog Devices (formerly Linear Technology), and the TPS60400 from Texas Instruments. All these components are designed to provide similar functionalities, such as converting a positive input voltage to a negative output voltage. Always check the specific datasheets to ensure pin-to-pin compatibility and performance specifications match your requirements.

Features

The ADM8829ARTZ is a switched-capacitor voltage inverter that offers several key features:
1. Voltage Conversion: It efficiently converts a positive input voltage to a corresponding negative output voltage.
2. Input Voltage Range: Operates over a wide input voltage range from 1.5 V to 5.5 V, making it versatile for various applications.
3. Output Current: Capable of delivering up to 25 mA of output current, suitable for low-power applications.
4. Low Quiescent Current: Features low quiescent current consumption of typically 37 μA, which helps in minimizing power usage during idle periods.
5. Shutdown Functionality: Includes a shutdown feature that reduces the supply current to less than 1 μA, enhancing power efficiency in standby mode.
6. Compact Package: Available in a small, 6-lead SOT-23 package, facilitating easy integration into space-constrained designs.
7. Efficiency: High efficiency due to its charge pump technology, which reduces the need for external components.
8. Temperature Range: Operates over a temperature range of -40°C to +85°C, suitable for various environmental conditions.
These features make the ADM8829ARTZ ideal for portable and battery-powered applications.

Pinout

The ADM8829ARTZ is a charge pump voltage inverter. It is typically available in a SOT-23-6 package, meaning it has 6 pins. The main function of the ADM8829 is to invert the input voltage, effectively creating a negative voltage from a positive input voltage. This device is commonly used in applications where a negative power rail is needed, such as operational amplifier circuits or in generating negative bias voltages.
The pin functions for the ADM8829ARTZ are generally as follows:
1. CAP+: Connects to the positive terminal of the external flying capacitor.
2. GND: Ground pin.
3. CAP-: Connects to the negative terminal of the external flying capacitor.
4. VIN: Input voltage pin, typically ranging from +1.5V to +5.5V.
5. VOUT: Output voltage pin, which provides the inverted voltage.
6. SHDN: Shutdown control pin, used to enable or disable the charge pump function (active low).
For exact pin configurations and more details, consulting the specific datasheet for the ADM8829ARTZ is recommended.

Manufacturer

The ADM8829ARTZ is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company known for designing and manufacturing a wide range of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. The company specializes in high-performance ICs used in signal processing and is a leader in the development of components for applications such as data conversion, power management, amplification, and RF signal processing. Analog Devices serves various industries, including automotive, telecommunications, healthcare, aerospace, and industrial markets.

Application

The ADM8829ARTZ is a switched capacitor voltage inverter used in various applications requiring a negative voltage supply. Key application areas include:
1. Portable Devices: Provides negative voltage for biasing and power supply needs.
2. LCD Displays: Supplies the necessary negative voltage for contrast control.
3. Data Conversion Circuits: Used in ADCs and DACs requiring bipolar power supplies.
4. Operational Amplifiers: Supplies negative bias for op-amps in single-supply systems.
5. Sensor Interfaces: Provides biasing for sensors requiring dual supply voltages.
6. Communication Equipment: Used in RF and telecommunication circuits for voltage inversion.
These applications benefit from the ADM8829ARTZ's compact design and low power consumption.

Package

The ADM8829ARTZ is typically available in an 8-lead SOT-23 package.

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