Datasheet

PCM3168A
PCM3168A-Q1
SBAS452 – SEPTEMBER 2008 ......................................................................................................................................................................................... www.ti.com
TERMINAL FUNCTIONS (continued)
TERMINAL
PULL- 5-V
NAME PIN I/O DOWN TOLERANT DESCRIPTION
Output data for SPI
(2)
, address select 1 for I
2
C, mode select 1 for
MDO/ADR1/MD1 44 I/O No No
hardware control mode
Chip select for SPI, address select 0 for I
2
C, mode select 0 for
MS/ADR0/MD0 45 I Yes Yes
hardware control mode
VDD1 46 — No No Digital power supply 1, +3.3 V
DGND1 47 — No No Digital ground 1
Control port mode selection. Tied to VDD: SPI, pull-up: H/W
MODE 48 I No No single-ended input, pull-down: H/W and differential input, tied to
DGND: I
2
C
VCCAD1 49 — No No ADC analog power supply 1, +5 V
AGNDAD1 50 — No No Analog ground 1 for ADC
VIN1 – 51 I No No Negative analog input to ADC1
VIN1+ 52 I No No Positive analog input to ADC1
VIN2 – 53 I No No Negative analog input to ADC2
VIN2+ 54 I No No Positive analog input to ADC2
VIN3 – 55 I No No Negative analog input to ADC3
VIN3+ 56 I No No Positive analog input to ADC3
VIN4 – 57 I No No Negative analog input to ADC4
VIN4+ 58 I No No Positive analog input to ADC4
VREFAD1 59 — No No ADC analog reference voltage 1 decoupling
VREFAD2 60 — No No ADC analog reference voltage 2 decoupling
VIN5 – 61 I No No Negative analog input to ADC5
VIN5+ 62 I No No Positive analog input to ADC5
VIN6 – 63 I No No Negative analog input to ADC6
VIN6+ 64 I No No Positive analog input to ADC6
(2) 3-state (Hi-Z) operation in SPI.
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