MB88141A Fujitsu Media Devices, MB88141A Datasheet - Page 4

• Manufacturer Part Number: MB88141A
• Description: A/D Converter
• Manufacturer: Fujitsu Media Devices

4
MB88141A
*1: The MOD and CS0-CS2 pins should be used with fixed level input.
*2: When using the I/O expander function together with the D/A converter function, take care that D/A converter
Pin no.
PIN DESCRIPTION
output precision is within a range that will not affect overall system operation.
21
20
19
16
17
18
10
11
12
13
24
22
23
15
14
1
2
3
4
5
6
7
8
9
AO10/D2
AO11/D1
AO12/D0
Symbol
AO5/D7
AO6/D6
AO7/D5
AO8/D4
AO9/D3
VDD1
VDD2
VSS1
VSS2
MOD
GND
SDA
VCC
SCL
CS0
CS1
CS2
AO1
AO2
AO3
AO4
Power supply
Power supply
Power supply
Power supply
Power supply
Circuit Type
GND
C
D
B
A
A
E
I/O
I/O
I/O
O
I
I
I
I
Outputs the acknowledge signal.
I
D/A converter and I/O expander mode switching pin. *
Input “L” to operate as a D/A converter, “H” to operate as I/O
expander and D/A converter.
These pins set the lower 3 bits of the slave address. *
This allows up to eight MB88141A chips to be used on the same
bus line.
8-bit D/A outputs with OP Amp. *
8-bit D/A outputs with OP Amp. *
In I/O expander operation, these pins function as parallel data in-
put/output pins.
Power supply pin for digital circuits and OP Amp.
GND pin for digital circuits and OP Amp.
Reference power supply pin for D/A converter (H) . AO1 to AO4.
Reference power supply pin for D/A converter (L) . AO1 to AO4.
Reference power supply pin for D/A converter (H) . AO5 to AO12.
Reference power supply pin for D/A converter (L) . AO5 to AO12.
2
2
C bus data input/output pin (hysteresis input).
C bus shift clock input pin (hysteresis input) .
Description
2
2
1
1,
*
2