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BH2221FV is an 8bit D/A converter for electronic adjustment. The 12-channel DC output voltage can be independently controlled by three-wire serial interface from micro-controller. The D/A converter can generate without loss by Rail-to-Rail output within the setting voltage. The built-in power ON reset circuit keeps the output state Low after the power is ON and prevents the unstable output state.
BH2221FV Maximum Ratings
Parameter
Symbol
Limits
Unit
Power supply voltages
Vcc
−0.3~+7.0
V
Maximum output voltage
Vin
−0.3~VCC
V
Storage temperature
Tstg
55 ~+ 125
°C
Power dissipation
Pd
400∗
mW
BH2221FV Features
1) 8bit 12-channel D/A converters adopting R-2R system. 2) The full scale output voltage range : 2.7V~5.5V. 3) 3-wire 12-bit serial interface. 4) POWER ON RESET circuit. 5) SSOP-B20 package.