CA3256 データシートの表示（PDF） - Intersil
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CA3256 Datasheet PDF : 11 Pages
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CA3256
0.1µF
V- V+ +12 TO +18V
100K
0.047µF
0.047µF
2.2µF 5
2.2µF
14
RF
CCOMP
8
100K
100K
2.2µF
CHANNEL 1
15
INPUT
75Ω
TG-1
BIAS
REG
V- +5V
10K
10K
1
1K
+
9
OUTPUT
AMP
VOUT 2
75Ω
220µF
VOUT 1
75Ω
LED INDICATOR CHANNEL 1
VLED
12
17
TG-2
LED INDICATOR CHANNEL 2
2 OF 5
INPUTS
1
SHOWN
TG-3
2
11
LED INDICATOR CHANNEL 3
3
10
CHANNEL 5
INPUT/
OUTPUT
2.2µF
75Ω
3
LLC
ENABLE
AND
CHAN 1-4
SELECT
13
ENABLE
CHANNEL 6
1-4
4.7K
4.7K
TG-4
4
LED INDICATOR CHANNEL 4
2
TG-5
AB
16 18
SELECT
CHANNEL
1-4
C
7
4.7K
SELECT
CHANNEL
5
4
4.7K
GND
WHERE AMPLIFIER GAIN:
AV = 1 + R-----F-1----0+---K--1----K--- x 0.9
FOR THIS CIRCUIT:
V+ = +12V
AV = 1.1
BW = 18MHz (SINEWAVE)
VOUT = 1VP-P
RF = 1K
VIN
VOUT
Pulse Performance = 20ns tR for 0V to 2V Pulse. See Figure 4 for
frequency response.
V+ = +12V, RF = 1kΩ, CCOMP = 6pF.
FIGURE 3. TYPICAL APPLICATION WITH AC-COUPLED INPUT AND OUTPUT, AND V- = GND (DIP PINOUT)
8-7
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