PT8146 Datasheet, PDF (21/27 Pages) Princeton Technology Corp – 8-Bit 12-Ch I/O DAC

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8-Bit 12-Ch I/O DAC
PT8146
I/O EXPANDER OPERATION NOISE 2 VN3
Noise to analog output during serial → parallel switching commands for digital-only pins, or ESR
setting commands for switching between digital output and analog output.
CLK
SI
Parallel -> serial switching commands, ESR setting commands
CS
D₁₁
to
D₄
D₁₁/AO₅
D₀/AO₁₂
AO₁
to
AO₁₂
Parallel output
Digital input Analog output
V_N3
V_N3
PT8146 V1.1
- 21 -
February, 2006