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参数资料
| 型号： | AD7523JN |
| 厂商： | HARRIS SEMICONDUCTOR |
| 元件分类： | DAC |
| 英文描述： | 8-Bit, Multiplying D/A Converters |
| 中文描述： | PARALLEL, 8 BITS INPUT LOADING, 8-BIT DAC, PDIP16 |
| 文件页数： | 7/9页 |
| 文件大小： | 99K |
| 代理商： | AD7523JN |
10-14
Offset Adjustment
1. Adjust V
REF
to approximately +10V.
2. Connect all digital inputs to “Logic 1”.
3. Adjust I
OUT2
amplifier offset adjust trimpot for 0V
±
1mV at
I
OUT2
amplifier output.
4. Connect MSB (Bit 1) to “Logic 1” and all other bits to “Logic 0”.
5. Adjust I
OUT1
amplifier offset adjust trimpot for 0V
±
1mV at
V
OUT
.
Gain Adjustment
1. Connect all digital inputs to V+.
2. Monitor V
OUT
for a -V
REF
(1 - 2
-9
) volts reading.
3. To increase V
OUT
, connect a series resistor of up to 250
between V
OUT
and R
FEEDBACK
.
4. To decrease V
OUT
, connect a series resistor of up to 250
between the reference voltage and the V
REF
terminal.
FIGURE 5. PROGRAMMABLE FUNCTION GENERATOR
V
OUT
= -V
IN/D
Where:
FIGURE 6. DIVIDER (DIGITALLY CONTROLLED GAIN)
FIGURE 7. MODIFIED SCALE FACTOR AND OFFSET
6
+
-
OUT1
15
4
16
1
13
3
2
AD7523/
AD7533
MSB
LSB
14
NC
DIGITAL FREQUENCY
CONTROL WORD
+15V
V
DD
A1
C1
CALIBRATE
10K
6.8V
(2)
6
+
-
A2
10K 1%
10K 1%
4.7K
TRIANGULAR
WAVE
SQUARE
WAVE
1K
OUT2
6
+
-
OUT2
14
2
4
11
3
1
AD7523/
AD7533
MSB
LSB
16
+15V
V
IN
DIGITAL
INPUT
“D”
15
BIT 8 (10) (AD7533)
BIT 1
V
REF
V
OUT
OUT1
R
FB
D
-------------
-------------
…
+
-------------
+
=
0
D
---------
≤
≤
6
+
-
15
4
16
1
13
3
2
AD7523/
AD7533
MSB
LSB
14
R1
+15V
6
+
-
BIT 1
BIT 8
DIGITAL
INPUT
“D”
R2
V
REF
V
OUT
(10) (AD7533)
VOUT
VREF
R2
--------+
--------+
–
=
Where D
-----------
-----------
…
+
-----------
+
=
0
D
---------
≤
≤
AD7523, AD7533
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相关代理商/技术参数 |
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|---|---|
| AD7523KCWE | 制造商:未知厂家 制造商全称:未知厂家 功能描述:8-Bit Digital-to-Analog Converter |
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| AD7523KN | 制造商:Rochester Electronics LLC 功能描述: |
| AD7523LCWE | 制造商:未知厂家 制造商全称:未知厂家 功能描述:8-Bit Digital-to-Analog Converter |
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