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MB88146A

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, sou...

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MB88146A: 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...

MB88146A Data Sheet

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Part Number:
MB88146A
Supply Ability:
5000

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  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



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.


Pinout

Connection Diagram


Specifications

Parameter Symbol Conditions             Rating Unit
Min.                Max.
Power supply voltage VCCA Based on GND(Ta = +25°C) 0.3                +7.0 V
VCCD 0.3               VCCA V
VDD -0.3                 VCCA V
Input voltage 1 VIN1 SI, CLK, CS,SO, D0to D3 -0.3             VCCD+0.3 V
-0.3           VCCD+0.3
Output voltage1 VOUT1 -0.3            VCCA+0.3 V
Input voltage 2 VIN2 D4to D11
Output voltage2 VOUT2 -0.3            VCCA+0.3 V
Power consumption PD - -                      250 mW
Operating temperature TA - 20                  +85
Storage temperature Tstg - 55                +150



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).The MB88146A can be used for microcontroller port expansion, electronic level adjustment, replacement of semi-fixed resistance for tuning, etc. 




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