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參數(shù)資料
| 型號： | MB88141 |
| 廠商： | Fujitsu Limited |
| 英文描述： | D/A Converter for Digital Tuning (With Built-in OP Amp and I/O Expander) |
| 中文描述： | 的D / A數(shù)字調(diào)諧器（通過其內(nèi)置的運算放大器和I / O擴展） |
| 文件頁數(shù)： | 4/20頁 |
| 文件大?。?/td> | 250K |
| 代理商： | MB88141 |
MB88141
4
I
PIN DESCRIPTIONS
*1: The MOD and CS0-CS2 pins should be used with fixed level input.
*2: Use particular caution in handling the SDA and SCL pins. These pins have no transistor protection against V
CC
voltage and therefore have weaker anti-static characteristics than other pins.
*3: When using the I/O expander function together with the D/A converter function, take care that D/A converter
output precision is within a range that will not affect overall system operation.
Pin no.
Symbol
I/O
Description
21
SDA
BUS
I
2
C bus data input/output pin (hysteresis input). *
2
Outputs the acknowledge signal.
20
SCL
I
I
2
C bus shift clock input pin (hysteresis input). *
2
19
MOD
I
D/A converter and I/O expander mode switching pin. *
1,
*
3
Input “L” to operate as a D/A converter, “H” to operate as I/O expander and
D/A converter.
16
17
18
CS0
CS1
CS2
I
Lower 3 bits of the slave address setting pins. *
1
This allows up to eight MB88141 chips to be used on the same bus line.
1
2
3
4
AO1
AO2
AO3
AO4
O
8-bit D/A output with OP Amp. *
3
5
6
7
8
9
10
11
12
D7/AO5
D6/AO6
D5/AO7
D4/AO8
D3/AO9
D2/AO10
D1/AO11
D0/AO12
I/O
8-bit D/A output with OP Amp. *
3
In I/O expander operation, these pins function as parallel data input/output
pins.
13
VCC
Power supply pin for digital circuits and OP Amp.
24
GND
GND pin for digital circuits and OP Amp.
22
VDD1
Reference power supply pin for D/A converter (H). AO1 to AO4.
23
VSS1
Reference power supply pin for D/A converter (L). AO1 to AO4.
15
VDD2
Reference power supply pin for D/A converter (H). AO5 to AO12.
14
VSS2
Reference power supply pin for D/A converter (L). AO5 to AO12.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MB88141A | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:D/A Converter for Digital Tuning (Compatible with I2C Bus) |
| MB88141AP | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:D/A Converter for Digital Tuning (Compatible with I2C Bus) |
| MB88141APF | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:D/A Converter for Digital Tuning (Compatible with I2C Bus) |
| MB88141APFV | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:D/A Converter for Digital Tuning (Compatible with I2C Bus) |
| MB88141APFV-G-BND(E1) | 制造商:Fujitsu 功能描述: |
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