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| 型號： | MAS8444AS |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | OCTAL 6-BIT TRIMMER IC |
| 中文描述： | 八路6位修邊機(jī)集成電路 |
| 文件頁數(shù)： | 1/9頁 |
| 文件大小： | 1452K |
| 代理商： | MAS8444AS |
DA8444A.005
May 31, 1996
1
Reference
Voltage
Generator
6-BIT DAC
6-BIT DAC
6-BIT DAC
6-BIT DAC
6-BIT DAC
6-BIT DAC
6-BIT DAC
DAC7
6-BIT DAC
DAC6
DAC5
DAC4
DAC3
DAC2
DAC1
DAC0
VDD
A0 5
A1 6
A2 7
SDA 3
SCL 4
Vmax 2
GND
I C Bus
Slave
Receiver
1
8
MAS8444A
OCTAL 6-BIT TRIMMER IC
Eight discrete DACs
I
2
C-bus slave receiver
Voltage output
DESCRIPTION
The MAS8444a comprises eight digital to analog
converters (DACs) each controlled by a two-wire I
2
C
bus. The DACs are individually programmed using an
6-bit word to select an output from one of 64 voltage
steps. The maximum output voltage of all DACs is set
by Vmax. At power-on all outputs are set to their lowest
value. The I
2
C-bus slave receiver has 3 programmable
address pins (2 in the SO16 package).
FEATURES
Rail to rail output stages
Octal 6-bit DACs on a single monolithic chip
Power supply range from +5V to +12V
-25 C to +85 C temperature range
16-pin PDIL and SO package
pin to pin compatibility with TDA8444
APPLICATION
Trimmer replacement
Automatic gain control
High resolution monitors
BLOCK DIAGRAM
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