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參數(shù)資料
| 型號(hào)： | PGA102BG |
| 英文描述： | High Speed PROGRAMMABLE GAIN AMPLIFIER |
| 中文描述： | 高速可編程增益放大器 |
| 文件頁(yè)數(shù)： | 8/8頁(yè) |
| 文件大?。?/td> | 96K |
| 代理商： | PGA102BG |
PGA102
8
The gain of the G = 10 and G = 100 inputs can be changed
by adding external resistors to the internal feedback network
as shown in Figures 4 and 5. The internal gain-set resistors
are trimmed for precise ratios, not to exact values. The
internal resistor values are within approximately
±
30% of
the nominal values shown on the front page diagram. This
makes the external resistor values in Figures 4 and 5 subject
to variation—especially for gains differing greatly from the
initial value.
15
V
OUT
7
10
8
V
IN1
(X1)
PGA102
R
5
100k
R
6
18M
R
4
1M
R
2
620k
R
3
12M
R
1
1M
6
9
5
4
V
IN2
(X10)
V
IN3
(X100)
CH1
CH2
CH3
X100 Fine
Adjust
X10 Fine
Adjust
15
4
5
V
OUT
7
R
X100 DN
V
IN1
(X1)
10
8
PGA102
6
9
R
X10 DN
V
IN2
(X10)
V
IN3
(X100)
R
X10 DN
≈
– G
X10 DN
– 10
97.2k
R
X100 DN
≈
100 100108k
X100 DN
Example:
R
≈
8.64k
and R
X100 DN
≈
107k
gives gains of 1, 5, 50
FIGURE 3. Optional Fine Gain Adjustment.
FIGURE 5. Connections for Lower Gains.
FIGURE 4. Connections for Higher Gains.
15
4
5
V
OUT
7
V
IN1
(X1)
10
8
6
9
V
IN2
(X10)
V
IN3
(X100)
R
X10 UP
≈
10.8k
G
X10 UP
– 10
R
X100 UP
≈
108k
G
X100 UP
– 100
Example:
R
≈
1.08k
and R
X100 UP
≈
1.08k
gives gains of 1, 20, 200
PGA102
R
X10 UP
R
X100 UP
8
7
6
V
O
PGA102
Sense
5
OPA602
G = 1, 10, 100
4
Force
OPA602
3.32k
3.32k
3.32k
3.32k
V
O
= G (V
2
– V
1
)
–
V
IN
+
V
1
V
2
FIGURE 6. High-Speed Instrumentation Amplifier.
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PDF描述 |
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| PGA102KP | High Speed PROGRAMMABLE GAIN AMPLIFIER |
| PGA102SG | High Speed PROGRAMMABLE GAIN AMPLIFIER |
| PGA103 | Programmable Gain AMPLIFIER |
| PGA103P | KPT02A18-11PX |
| PGA103U | KPT02A18-11PY |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PGA102BG-BI | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Instrumentation Amp， Pin-Programmable |
| PGA102KP | 制造商:BURR-BROWN CORPORATION 功能描述:Electronic Instrumentation Amplifier, Single, 16 Pin, Plastic, DIP |
| PGA102KP-BI | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Instrumentation Amp， Pin-Programmable |
| PGA102SG | 制造商:BB 制造商全稱:BB 功能描述:High Speed PROGRAMMABLE GAIN AMPLIFIER |
| PGA102SG-BI | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Instrumentation Amp， Pin-Programmable |
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