1999 Feb 16 4
Philips Semiconductors Preliminary specification
12-bit high-speed Analog-to-Digital
Converter (ADC) TDA8767
PINNING
SYMBOL PIN DESCRIPTION
n.c. 1 not connected
VCCA1 2 analog supply voltage 1 (+5V)
VCCA3 3 analog supply voltage 3 (+5V)
AGND3 4 analog ground 3
n.c. 5 not connected
n.c. 6 not connected
n.c. 7 not connected
n.c. 8 not connected
VCCA2 9 analog supply voltage 2 (+5V)
AGND2 10 analog ground 2
Vref 11 reference voltage
n.c. 12 not connected
n.c. 13 not connected
n.c. 14 not connected
VCCD2 15 digital supply voltage 2 (+5V)
n.c. 16 not connected
DGND2 17 digital ground 2
TC 18 output two’s complement
OE 19 output enable input
(CMOS level; active LOW)
IR 20 in-range output
D11 21 data output; bit 11 (MSB)
D10 22 data output; bit 10
D9 23 data output; bit 9
D8 24 data output; bit 8
D7 25 data output; bit 7
D6 26 data output; bit 6
D5 27 data output; bit 5
D4 28 data output; bit 4
D3 29 data output; bit 3
D2 30 data output; bit 2
D1 31 data output; bit 1
D0 32 data output; bit 0 (LSB)
VCCO 33 output supply voltage (3 to 5.25 V)
OGND 34 output ground
n.c. 35 not connected
CLK 36 clock input
VCCD1 37 digital supply voltage 1 (+5 V)
DGND1 38 digital ground 1
SH 39 sample-and-hold enable input
(CMOS level; active HIGH)
AGND4 40 analog ground 4
VCCA4 41 analog supply voltage 4 (+5 V)
VI42 complementary analog input voltage
VI43 analog input voltage
AGND1 44 analog ground 1
SYMBOL PIN DESCRIPTION