MB88146A

更新时间： 2024-11-24 22:51:31

品牌	Logo	应用领域
富士通 - FUJITSU		转换器运算放大器
页数	文件大小	规格书
20页	260K
描述
D/A Converter for Digital Tuning (12-channel, 8-bit, on-chip OP amp., low-voltage)

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MB88146A 数据手册

FUJITSU SEMICONDUCTOR

DATA SHEET

DS04-13513-1E

Linear IC Converter

CMOS

D/AConverterforDigitalTuning

(12-channel, 8-bit, on-chip OP amp., low-voltage)

MB88146A

■ DESCRIPTION

The MB88146A is an 8-bit D/A converter with twelve built-in channels. The 12 analog outputs each have a built-

in OP amplifier with large current drive-capability.

The data input/output format is CS (chip select) with serial bus connection available.

A built-in 12-bit I/O expander enables serial ↔ parallel conversion (8 of the 12 bits can also be used for analog

output).

This product can be used for microcontroller port expansion, electronic level adjustment, replacement of semi-

fixed resistance for tuning, etc.

■ FEATURES

• Ultra low power consumption (1.2 mW/chl: typical)

• Ultra compact package

• Built-in 12-channel R-2R type 8-bit D/A converter

• Built-in 12-bit I/O expander (8 bits also function as analog output)

• Built-in analog output amplifier (sink current 1.0 mA maximum, source current 1.0 mA maximum)

• Built-in power-on detection circuit (initialized at detection of VccD power-on)

• MCU interface compatible with 3 V to 5 V systems

• Power divided into MCU interface power supply (VccD) and OP amplifier power supply (VccA), D/A converter

power supply (VccD)

• Analog output capability from 0 V to VccA

• Serial data I/O operates to maximum of 2.5 MHz (in cascade connection, up to 2.5 MHz when VccD = 5 V, up

to 1.5 MHz when VccD = 3 V)

• CMOS process

• Choice of two packages: SDIP-24 pin and SSOP-24 pin.

■ PACKAGES

24-pin Plastic DIP

(DIP-24P-M02)

24-pin Plastic SSOP

(FPT-24P-M03)

12 3 4 5 6 7...20

中文翻译

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