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參數(shù)資料
| 型號： | LT1630CS8 |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 運動控制電子 |
| 英文描述： | 30MHz, 10V/us, Dual/Quad Rail-to-Rail Input and Output Precision Op Amps |
| 中文描述： | DUAL OP-AMP, 1250 uV OFFSET-MAX, 28 MHz BAND WIDTH, PDSO8 |
| 封裝： | 0.150 INCH, PLASTIC, SO-8 |
| 文件頁數(shù)： | 14/16頁 |
| 文件大?。?/td> | 356K |
| 代理商： | LT1630CS8 |
14
LT1630/LT1631
TYPICAL APPLICATIO
N
S
Single Supply, 40dB Gain, 350kHz
Instrumentation Amplifier
An instrumentation amplifier with a rail-to-rail output
swing, operating from a 3V supply can be constructed with
the LT1630 as shown in Figure 2. The amplifier has a
nominal gain of 100, which can be adjusted with resistor
R5. The DC output level is set by the difference of the two
inputs multiplied by the gain of 100. Common mode range
can be calculated by the equations shown with Figure 2.
For example, the common mode range is from 0.15V to
2.65V if the output is set at one half of the 3V supply. The
common mode rejection is greater than 110dB at 100Hz
when trimmed with resistor R1. The amplifier has a
bandwidth of 355kHz as shown in Figure 3.
Figure 2. Single Supply, 40dB Gain Instrumentation Amplifier
V
+
11
R
R
V
A
O DC
(
V
)
.
=
( )(
)
=
=
5
11
10
2 5
2
f
kHz
1
f
RC
O
O
=
=
98
2
π
–
+
A 2
1 / 2 L T 1 6 3 0
V
I N
V
O U T
1 6 3 0 / 3 1 F 0 4
5 V
5 V
R 2
1 k
R 9
1 k
R 8
5 k
R 1 1
1 0 k
R 1 0
1 0 k
R 6
1 k
R 1
5 0 0
R 5
1 k
C 5
4 . 7
μ
F
R 7
1 k
R
1 . 6 2 k
C
1 0 0 0 p F
R
1 . 6 2 k
C
1 0 0 0 p F
–
+
A 1
1 / 2 L T 1 6 3 0
C 2
4 . 7
μ
F
C 1
2 . 2
μ
F
–
1 / 2 L T 1 6 3 0
+
V
I N–
V
I N+
O U T 1
V
O U T
1 6 3 0 / 3 1 F 0 2
R 1
2 0 k
R 2
2 k
R 4
2 0 k
R 5
4 3 2
R 3
2 k
–
1 / 2 L T 1 6 3 0
+
V
S
L O W E R LT COMMON MODE INPUT VOLTAGE
V
A
R
R
V
V
A
R
R
V
V
OUT
V
OUT
V
S
V
UPPER LIMIT COMMON MODE INPUT VOLTAGE
V
WHERE V IS THE SUPPLY VOLTAGE
CML
CMH
=
+
=
+
(
)
2
5
0 1
.
1 0
1 1
.
2
5
0 15
.
1 0
1 1
.
.
.
BW
kHz
A
R
R
R
R
R
R
R
V
V
V
A
V
OUT
IN
IN
V
=
=
+
+
+
=
=
+
355
4
3
1
2
1
3
2
5
100
Figure 3. Frequency Response
FREQUENCY (Hz)
V
50
40
30
20
10
0
–10
–20
–30
–40
–50
–60
–70
100
10k
100k
10M
1630/31 F03
1k
1M
COMMON MODE INPUT
DIFFERENTIAL INPUT
V
S
= 3V
A
V
= 100
Figure 5. Frequency Response
FREQUENCY (kHz)
40
20
0
–20
–40
G
O
/
I
)
13630/31 F05
0
20
40 60
140 160 180 200
80 100 120
INCREASING R8
DECREASING R8
Figure 4. Tunable Q Notch Filter
Tunable Q Notch Filter
A single supply, tunable Q notch filter as shown in Figure
4 is built with LT1630 to maximize the output swing. The
filter has a gain of 2, and the notch frequency (f
O
) is set by
the values of R and C. The resistors R10 and R11 set up the
DC level at the output. The Q factor can be adjusted by
varying the value of R8. The higher value of R8 will
decrease Q as depicted in Figure 5, because the output
induces less of feedback to amplifier A2. The value of R7
should be equal or greater than R9 to prevent oscillation.
If R8 is a short and R9 is larger than R7, then the positive
feedback from the output will create phase inversion at the
output of amplifier A2, which will lead to oscillation.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LT1630CS8#PBF | 功能描述:IC OPAMP R-R IN/OUT DUAL 8-SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 放大器類型:通用 電路數(shù):4 輸出類型:- 轉(zhuǎn)換速率:0.6 V/µs 增益帶寬積:1MHz -3db帶寬:- 電流 - 輸入偏壓:45nA 電壓 - 輸入偏移:2000µV 電流 - 電源:1.4mA 電流 - 輸出 / 通道:40mA 電壓 - 電源，單路/雙路(±):3 V ~ 32 V，±1.5 V ~ 16 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:14-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:14-TSSOP 包裝:帶卷 (TR) 其它名稱:LM324ADTBR2G-NDLM324ADTBR2GOSTR |
| LT1630CS8#TR | 功能描述:IC OPAMP PREC R-R I/O DUAL 8SOIC RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:100 系列:- 放大器類型:通用 電路數(shù):1 輸出類型:- 轉(zhuǎn)換速率:0.2 V/µs 增益帶寬積:- -3db帶寬:- 電流 - 輸入偏壓:100pA 電壓 - 輸入偏移:30µV 電流 - 電源:380µA 電流 - 輸出 / 通道:- 電壓 - 電源，單路/雙路(±):±2 V ~ 18 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:8-SO 包裝:管件 |
| LT1630CS8#TRPBF | 功能描述:IC OPAMP R-R IN/OUT DUAL 8-SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:100 系列:- 放大器類型:通用 電路數(shù):1 輸出類型:- 轉(zhuǎn)換速率:0.2 V/µs 增益帶寬積:- -3db帶寬:- 電流 - 輸入偏壓:100pA 電壓 - 輸入偏移:30µV 電流 - 電源:380µA 電流 - 輸出 / 通道:- 電壓 - 電源，單路/雙路(±):±2 V ~ 18 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:8-SO 包裝:管件 |
| LT1630CS8PBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:30MHz, 10V/μs, Dual/Quad Rail-to-Rail Input and Output Precision Op Amps |
| LT1630CS8TRPBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:30MHz, 10V/μs, Dual/Quad Rail-to-Rail Input and Output Precision Op Amps |
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