参数资料
型号: TLC7628IDW
厂商: Texas Instruments, Inc.
英文描述: DUAL 8-BIT MULTIPLYING DIGITAL-TO-ANALOG CONVERTERS
中文描述: 双8位乘法数字到模拟转换器
文件页数: 9/10页
文件大小: 156K
代理商: TLC7628IDW
TLC7628C, TLC7628E, TLC7628I
DUAL 8-BIT MULTIPLYING
DIGITAL-TO-ANALOG CONVERTERS
SLAS063A – APRIL 1989 – REVISED MAY 1995
9
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PRINCIPLES OF OPERATION
Table 1. Mode Selection Table
DACA/DACB
CS
WR
DACA
DACB
L
H
X
X
L
L
H
X
L
L
X
H
Write
Hold
Hold
Hold
Hold
Write
Hold
Hold
L = low level, H = high level, X = don’t care
Table 2. Unipolar Binary Code
DAC LATCH CONTENTS
(see Note 7)
Table 3. Bipolar (Offset Binary) Code
DAC LATCH CONTENTS
(see Note 8)
ANALOG OUTPUT
ANALOG OUTPUT
MSB
LSB
MSB
LSB
1 1 1 1 1 1 1 1
1 0 0 0 0 0 0 1
1 0 0 0 0 0 0 0
0 1 1 1 1 1 1 1
0 0 0 0 0 0 0 1
0 0 0 0 0 0 0 0
–VI (255/256)
–VI (129/256)
–VI (128/256) = –Vi/2
–VI (127/256)
–VI (1/256)
–VI (0/256) = 0
1 1 1 1 1 1 1 1
1 0 0 0 0 0 0 1
1 0 0 0 0 0 0 0
0 1 1 1 1 1 1 1
0 0 0 0 0 0 0 1
0 0 0 0 0 0 0 0
VI (127/128)
VI (1/128)
0 V
–VI (1/128)
–VI (127/128)
–VI (128/128)
NOTES:
7. 1 LSB = (2 – 8)VI
8. 1 LSB = (2 – 7)VI
相关PDF资料
PDF描述
TLC7628EFN DUAL 8-BIT MULTIPLYING DIGITAL-TO-ANALOG CONVERTERS
TLC7628CFN DUAL 8-BIT MULTIPLYING DIGITAL-TO-ANALOG CONVERTERS
TLC7628C DUAL 8-BIT MULTIPLYING DIGITAL-TO-ANALOG CONVERTERS
TLC7628E DUAL 8-BIT MULTIPLYING DIGITAL-TO-ANALOG CONVERTERS
TLC7628EDW DUAL 8-BIT MULTIPLYING DIGITAL-TO-ANALOG CONVERTERS
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