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参数资料
| 型号： | AD7531KN |
| 厂商： | INTERSIL CORP |
| 元件分类： | DAC |
| 英文描述： | 10-Bit, 12-Bit, Multiplying D/A Converters |
| 中文描述： | PARALLEL, WORD INPUT LOADING, 1 us SETTLING TIME, 12-BIT DAC, PDIP18 |
| 封装： | PLASTIC, DIP-18 |
| 文件页数： | 7/14页 |
| 文件大小： | 264K |
| 代理商： | AD7531KN |
Typical Applications
(Continued)
V
OUT
e
b
V
REF
a
A3
8
#
A1
2
a
A2
4
a
. . .1024
J
where: V
REF
can be an AC signal
#
By connecting the DAC in the feedback loop of an opera-
tional amplifier a linear digitally control gain block can be
realized
#
Note that with all digital inputs low, the gain of the amplifier
is infinity, that is, the op amp will saturate. In other words, we
cannot divide the V
REF
by zero!
FIGURE 10. Analog-to-Digital Divider (or Digitally Gain Controlled Amplifier)
V
OUT
e
V
REF
%
A1
2
a
A2
4
a
. . .
a
A10
1024
A1
2
a
A2
4
a
. . .
a
A10
1024
–
or V
OUT
e
V
REF
#
1023
b
N
N
J
where: 0
s
N
s
1023
N
e
0 for A
N
e
all zeros
N
e
1 for A10
e
1, A1–A9
e
0
.
.
.
N
e
1023 for A
N
e
all 1’s
FIGURE 11. Digitally controlled Amplifier-Attenuator
TL/H/5689–7
http://www.national.com
7
相关PDF资料 |
PDF描述 |
|---|---|
| AD7531LN | 10-Bit, 12-Bit, Multiplying D/A Converters |
| AD7531JN | 10-Bit, 12-Bit, Multiplying D/A Converters |
| AD7523 | 8-Bit, Multiplying D/A Converters |
| AD7523KN | 8-Bit, Multiplying D/A Converters |
| AD7523LN | 8-Bit, Multiplying D/A Converters |
相关代理商/技术参数 |
参数描述 |
|---|---|
| AD7531KN/A+ | 制造商:未知厂家 制造商全称:未知厂家 功能描述:12-Bit Digital-to-Analog Converter |
| AD7531KN/B+ | 制造商:未知厂家 制造商全称:未知厂家 功能描述:12-Bit Digital-to-Analog Converter |
| AD7531KQ | 制造商:未知厂家 制造商全称:未知厂家 功能描述:12-Bit Digital-to-Analog Converter |
| AD7531LCWN | 制造商:未知厂家 制造商全称:未知厂家 功能描述:12-Bit Digital-to-Analog Converter |
| AD7531LD | 制造商:NSC 制造商全称:National Semiconductor 功能描述:10-Bit, 12-Bit Binary Multiplying D/A Converter |
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