HD49338NP_15 Datasheet, PDF (5/25 Pages) Renesas Technology Corp – CDS/PGA & 12-bit A/D Converter

HD49338NP/HNP
Pin Description (cont.)
Pin No. Symbol
Description
33
AVDD
34
Y IN
Analog power supply (3 V)
Y input pin
35
AVSS
36
ADCIN
Analog ground (0 V)
ADC input pin
37
VRM
38
VRT
Reference voltage pin 1
Connect a 0.1 µF ceramic capacitor between VRM and AVSS.
Reference voltage pin 3
Connect a 0.1 µF ceramic capacitor between VRT and AVSS.
39
VRB
40
DVDD
Reference voltage pin 2
Connect a 0.1 µF ceramic capacitor between VRB and AVSS.
Digital power supply (3 V)
41
DVSS
42
OEB *¹
Digital ground (0 V)
Digital output enable pin
43
DVDD
44
DVDD
Digital power supply (3 V)
Digital power supply (3 V)
45
DVSS
46
CS
Digital ground (0 V)
Serial interface control input pin
47
SDATA
Serial data input pin
48
SCK
Serial clock input pin
Note: 1. With pull-down resistor.
Analog(A) or
I/O
Digital(D)
—
A
—
A
—
A
—
A
—
A
—
A
—
A
—
D
—
D
—
D
—
D
—
D
—
D
I
D
I
D
I
D
Rev.2.00 May 20, 2005 page 3 of 22