HD49338F Datasheet, PDF (4/23 Pages) Renesas Technology Corp – CDS/PGA & 12-bit A/D Converter

HD49338F/HF
Input/Output Equivalent Circuit
Pin Name
Digital output
D0 to D11
Digital input
Analog
ADCLK, OBP,
SPBLK, SPSIG,
CS, SCK, SDATA,
PBLK, OEB
CDSIN
Equivalent Circuit
DIN
STBY
Digital
input
DV_DD
*1
DV_DD
Digital
output
Note: Only OEB is pulled down to about 70 kΩ.
AV_DD
Internally
connected
to VRT
CDSIN
ADCIN
Y IN
BLKSH, BLKFB
VRT, VRM, VRB
BIAS
ADCIN
AV_DD
Internally
connected
to VRM
Y IN
BLKFB
AV_DD
+
−
AV_DD
+
−
BLKSH
VRT
+
−
VRM
VRB ^AVDD
BIAS
AV_DD
Rev.1.0, Apr 20, 2004, page 4 of 22