HD49334AF Renesas Electronics Corporation., HD49334AF Datasheet - Page 5

• Manufacturer Part Number: HD49334AF
• Description: Cds/pga & 10-bit A/d Converter
• Manufacturer: Renesas Electronics Corporation.

HD49334AF/AHF
Pin Description (cont.)
Pin No.
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
Note:
Rev.2.00 May 20, 2005 page 3 of 22
1. With pull-down resistor.
Symbol
BIAS
AV
NC
AV
ADCIN
VRM
VRT
VRB
NC
DV
OEB *
DV
DV
DV
CS
SDATA
SCK
DD
SS
SS
DD
DD
SS
1
Description
Internal bias pin
Connect a 33 kΩ resistor between BIAS and AV
Analog power supply (3 V)
No connection pin
Analog ground (0 V)
ADC input pin
Reference voltage pin 1
Connect a 0.1 µF ceramic capacitor between VRM and AV
Reference voltage pin 3
Connect a 0.1 µF ceramic capacitor between VRT and AV
Reference voltage pin 2
Connect a 0.1 µF ceramic capacitor between VRB and AV
No connection pin
Digital ground (0 V)
Digital output enable pin
Digital power supply (3 V)
Digital power supply (3 V)
Digital ground (0 V)
Serial interface control input pin
Serial data input pin
Serial clock input pin
SS
.
SS
SS
SS
.
.
.
I/O
—
—
—
—
—
—
—
—
—
—
—
—
—
—
I
I
I
Analog(A) or
Digital(D)
A
A
—
A
A
A
A
A
—
D
D
D
D
D
D
D
D