MB40178 Fujitsu Microelectronics, Inc., MB40178 Datasheet - Page 14

• Manufacturer Part Number: MB40178
• Description: Single Chip 8-bit A/d And 9-bit D/a Converter
• Manufacturer: Fujitsu Microelectronics, Inc.

14
MB40168/MB40178
• Digital Input Equivalent Circuit
• Analog Output Equivalent Circuit
• Reference Voltage Generator Equivalent Circuit
EQUIVALENT CIRCUITS OF DAC BLOCK
Digital Input
D
DACLK
01
V
D.GND
- D
CCD
A.GND
09
A.GND
V
V
CCA
CCA
50k
R
O
I
O
20k
30k
= 240
Buffer
50k
A.OUT
I
RB
V
TH
= 1.4V
V
REF