MB88146A Datasheet, PDF (6/20 Pages) Fujitsu Component Limited. – D/A Converter for Digital Tuning (12-channel, 8-bit, on-chip OP amp., low-voltage)

MB88146A
3. Setting Data
• Don’t Care/special function (Channel select = “0000”)
DF DE DD DC DB DA D9 D8 D7 D6 D5 D4
Analog output voltage level
× × × × × × × × 0 0 0 0 Don’t Care
to to to to to to to to to to to to Don’t Care
× × × × × × × × 1 0 1 1 Don’t Care
0 0 0 0 0 0 0 0 1 1 0 0 GND (all channels)
0 0 0 0 0 0 0 1 1 1 0 0 VDD/256 × 1 (all channels)
0 0 0 0 0 0 1 0 1 1 0 0 VDD/256 × 2 (all channels)
to to to to to to to to to to to to to
1 1 1 1 1 1 1 0 1 1 0 0 VDD/256 × 254 (all channels)
1 1 1 1 1 1 1 1 1 1 0 0 VDD/256 × 255 (all channels)
× × × × × × × × 1 1 0 1 Hi-Z (I/O expander state)*
× × × × × × × × 1 1 1 0 Reset (state when power is ON)
× × × × × × × × 1 1 1 1 Don’t Care
×: Don’t care *: Hi-Z output on all channels of AO5 through AO12
• D/A Converter (Channel select = “0001” to “1100”)
DF DE DD DC DB DA D9 D8 D7 D6 D5 D4
Analog output voltage level
0 0 0 0 0 0 0 0 0 0 0 0 GND
0 0 0 0 0 0 0 1 0 0 0 0 VDD/256 × 1
0 0 0 0 0 0 1 0 0 0 0 0 VDD/256 × 2
0 0 0 0 0 0 1 1 0 0 0 0 VDD/256 × 3
to to to to to to to to to to to to to
1 1 1 1 1 1 0 1 0 0 0 0 VDD/256 × 253
1 1 1 1 1 1 1 0 0 0 0 0 VDD/256 × 254
1 1 1 1 1 1 1 1 0 0 0 0 VDD/256 × 255
× × × × × × × × 0 0 0 1 Hi-Z (I/O expander state)*
× × × × × × × × 0 0 1 0 Don’t Care
to to to to to to to to to to to to Don’t Care
× × × × × × × × 1 1 1 1 Don’t Care
×: Don’t care *: Only AO5 through AO12 output is valid
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