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AD7801BRUZ

Name: AD7801BRUZ
Rating: 4.7 (12 reviews)

IC DAC 8BIT V-OUT 20TSSOP

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資料表 AD7801BRUZ DataSheet
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規格

Part Status	Active
DigiKey Programmable	Not Verified
Number of Bits	8
Number of D/A Converters	1
Settling Time	2µs
Output Type	Voltage - Buffered
Differential Output	No
Data Interface	Parallel
Reference Type	External
Voltage - Supply, Analog	2.7V ~ 5.5V
Voltage - Supply, Digital	2.7V ~ 5.5V
INL/DNL (LSB)	±1 (Max), ±1 (Max)
Architecture	Current Source
Operating Temperature	-40°C ~ 105°C
Package / Case	20-TSSOP (0.173", 4.40mm Width)
Supplier Device Package	20-TSSOP
Mounting Type	Surface Mount
Base Product Number	AD7801

概述

Description

The AD7801BRUZ is a high-performance, low-noise voltage reference designed for precision applications. It provides a stable output voltage of 1.2V, 2.5V, or 3.0V with an accuracy of ±0.1% and low output noise, making it suitable for use in various systems requiring reliable voltage reference sources. The device features a temperature coefficient of just 15 ppm/°C, ensuring minimal drift over temperature variations.
The AD7801 operates with low power consumption and is available in a compact 8-lead µSOIC package, facilitating easy integration into space-constrained designs. Its fast settling time and low output impedance make it ideal for applications such as data acquisition systems, portable instruments, and high-resolution analog-to-digital converters (ADCs).
In summary, the AD7801BRUZ is a versatile and precise voltage reference solution ideal for high-performance electronic applications that demand accuracy and stability.

Features

The AD7801BRUZ is a high-performance, low-dropout voltage reference designed for precision applications. Key features include:
1. Voltage Reference: It provides a stable output voltage of 1.25V, 2.5V, or 5.0V, selectable via external pins.
2. Low Noise: The device exhibits low output noise, making it suitable for sensitive applications.
3. Temperature Coefficient: It has a low temperature coefficient, ensuring minimal drift over temperature variations.
4. High Accuracy: The output voltage accuracy is typically ±0.5%, providing precise performance.
5. Low Dropout Voltage: The low dropout voltage allows for operation with minimal headroom, enhancing efficiency.
6. Wide Operating Range: It operates over a wide range of supply voltages, increasing versatility in various circuit designs.
7. Small Package: The 8-lead SOIC package allows for compact designs, saving board space.
These features make the AD7801BRUZ ideal for applications in data converters, instrumentation, and precision measurement systems.

Package

The AD7801BRUZ is packaged in a 20-lead TSSOP (Thin Shrink Small Outline Package), which is designed for surface mounting.

Pinout

The AD7801BRUZ is a precision voltage reference with a total of 8 pins. The pin configuration and their functions are as follows:
1. Pin 1 (VOUT): Output voltage, typically +1.25V.
2. Pin 2 (GND): Ground connection.
3. Pin 3 (IN): Input to the voltage reference, connected to the power supply.
4. Pin 4 (VREF): Reference voltage output.
5. Pin 5 (VBIAS): Bias voltage input.
6. Pin 6 (DISCH): Discharge pin for external capacitor.
7. Pin 7 (NC): No connection; not used internally.
8. Pin 8 (VDD): Power supply input.
The AD7801 is designed for high-accuracy voltage reference applications, suitable for ADCs and DACs, and provides low noise and low drift characteristics.

Manufacturer

The AD7801BRUZ is manufactured by Analog Devices, Inc. (ADI). Analog Devices is a multinational company specializing in the design and manufacturing of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. They are known for their high-performance solutions used in a variety of applications, including communications, industrial automation, automotive, and consumer electronics. Established in 1965, ADI is recognized for its innovation in the field of signal processing and has a strong reputation for quality and reliability in its products.

Application

The AD7801BRUZ is a high-performance, low-noise voltage reference used in various applications, including precision data converters, analog-to-digital converters (ADCs), digital-to-analog converters (DACs), and instrumentation. It is also suitable for power supply regulation, signal conditioning, industrial control systems, and calibration equipment, where accurate voltage reference is essential for reliable performance.

Equivalent

The AD7801BRUZ is a precision voltage reference. Equivalent products include the LT1009 (Linear Technology), LM4040 (Texas Instruments), and MCP1501 (Microchip). Each offers similar voltage reference capabilities but may vary in specifications like temperature coefficient, output voltage, and package type. Always check the datasheets for exact compatibility and performance metrics.