參數(shù)資料
型號: LT1008IN8#PBF
廠商: Linear Technology
文件頁數(shù): 4/16頁
文件大小: 0K
描述: IC PREC OP-AMP UNIVRSL SNGL 8DIP
標(biāo)準(zhǔn)包裝: 50
放大器類型: 通用
電路數(shù): 1
轉(zhuǎn)換速率: 0.2 V/µs
電流 - 輸入偏壓: 30pA
電壓 - 輸入偏移: 30µV
電流 - 電源: 380µA
電壓 - 電源,單路/雙路(±): ±2 V ~ 18 V
工作溫度: -40°C ~ 85°C
安裝類型: 通孔
封裝/外殼: 8-DIP(0.300",7.62mm)
供應(yīng)商設(shè)備封裝: 8-PDIP
包裝: 管件
12
LT1008
1008fb
TYPICAL APPLICATIO S
U
Fast Precision Inverters
+
1
30pF
–15V
15V
300pF
1N4148 (4)
8
7
5
4
1
2
3
7 6
OUTPUT
6
2
3
10k
4
SLEW RATE = 100V/
μs
SETTLING (10V STEP) = 5
μs TO 0.01%
OFFSET VOLTAGE = 30
μV
BIAS CURRENT DC = 30pA
*1% METAL FILM
FULL POWER BANDWIDTH = 2MHz
SLEW RATE AT 50V/
μs
SETTLING (10V STEP) = 12
μs TO 0.01%
BIAS CURRENT DC = 30pA
OFFSET DRIFT = 0.3
μV/°C
OFFSET VOLTAGE = 30
μV
*1% METAL FILM
LT1008
+
30pF
–15V
15V
300pF
10pF
1000pF
10k*
1N4148
×2
7
10k
INPUT
6
2
3
2
10k
4
8
1
1008 TA10
10k
10k*
+
LT318A
–15V
15k
INPUT
10k*
2pF TO 8pF
2N4393
×2
15V
OUTPUT
7
4
6
+
LT318A
15V
–15V
LT1008
+
1
8
7
8
2
OPTO-MOS*
3
*OPTO-MOS SWITCH
TYPE OFM1A
THETA-J CORP
1
4
1000pF
FILTER CUT
IN ADJUST
–15V
15V
10k
100
Ω
6
OUTPUT
10k
2
3
1
μF
1k
15V
LT1008
1.5M
2k
INPUT
+
#1
LT311A
7
8
5
3
2
1008 TA09
1
4
–15V
15V
+
#2
LT311A
Precision, Fast Settling, Lowpass Filter
This circuit is useful where fast signal acquisition and high
precision are required, as in electronic scales.
The filter’s time constant is set by the 2k resistor and the
1
μF capacitor until comparator 1 switches. The time
constant is then set by the 1.5M resistor and the 1
μF
capacitor. Comparator 2 provides a quick reset.
The circuit settles to a final value three times as fast as a
simple 1.5M-1
μF filter with almost no DC error.
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