CA5130AE 查看數據表（PDF） - Intersil
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CA5130AE Datasheet PDF : 19 Pages
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CA5130, CA5130A
+10.010V
LSB
9
8
6
3
14
7
10 11
2
CD4007A
“SWITCHES”
9
13
1
7
8
12
5
4
806K 402K 200K
1% 1% 1%
10V LOGIC INPUTS
6
5
4
6
3
10
MSB
3
2
1
6
3
10
CD4007A
“SWITCHES”
CD4007A
“SWITCHES”
13
1
8
5
100K
1%
12
806K
1%
806K 806K
1% 1%
13
1
12
8 (2) 5 (4)
(8)
806K 806K 806K
1% 1% 1%
BIT
1
2
3
4
5
6-9
REQUIRED
RATIO-MATCH
STANDARD
±0.1%
±0.2%
±0.4%
±0.8%
±1% ABS
NOTE: All Resistances are In Ohms.
806K
1%
806K 750K
1%
1%
VOLTAGE
+15V REGULATOR
62
1
2
CA3085
+10.010V
8
OUTPUT
6
3
6
7
+ 2µF
4
- 25V
0.001µF
22.1K
1%
LOAD
REGULATED
1K VOLTAGE
ADJ.
3.83K
1%
PARALLELED
RESISTORS
10K
+15V
7
+
CA5130
-
4
5
1
8
100K
OFFSET
NULL 2K
3
VOLTAGE
FOLLOWER
2
56pF
0.1µF
FIGURE 5. 9-BIT DAC USING CMOS DIGITAL SWITCHES AND CA5130
R2
2kΩ
+15V
0.01
R1
2-
µF
7
4kΩ
CA5130
6
3+
4
5
1N914
5.1kΩ
0V
1
8
20pF
R3
100kΩ
OFFSET
ADJUST
PEAK
ADJUST
2kΩ
0V
Gain
=
RR-----21-
=
X
=
--------------R----3---------------
R1 + R2 + R3
R3
=
R1
X---1---+-–---X--X--2--
For X
=
0.5: -2---k---Ω--
4kΩ
=
RR-----21-
R3
=
4k
Ω
-0-0-.--.7-5--5-
=
6k Ω
Top Trace: Output Signal = 2V/Div.
Bottom Trace: Input Signal = 10V/Div.
Time base on both traces = 0.2ms/Div.
20VP-P Input: BW (-3dB) = 230kHz, DC Output (Avg) = 3.2V
1VP-P Input: BW (-3dB) = 130kHz, DC Output (Avg) = 160mV
FIGURE 6. SINGLE SUPPLY, ABSOLUTE VALUE, IDEAL FULL WAVE RECTIFIER WITH ASSOCIATED WAVEFORMS
12
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