參數資料
型號: LT1012AIS8#TRPBF
廠商: Linear Technology
文件頁數: 4/20頁
文件大小: 0K
描述: IC OP AMP PREC UNIVERSAL 8-SOIC
標準包裝: 2,500
放大器類型: 通用
電路數: 1
轉換速率: 0.2 V/µs
電流 - 輸入偏壓: 25pA
電壓 - 輸入偏移: 8µV
電流 - 電源: 380µA
電壓 - 電源,單路/雙路(±): 2.4 V ~ 40 V,±1.2 V ~ 20 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 8-SOIC(0.154",3.90mm 寬)
供應商設備封裝: 8-SO
包裝: 帶卷 (TR)
12
LT1012A/LT1012
sn1012 1012afbs
Test Circuit for Offset Voltage
and its Drift with Temperature
Follower Feedforward Compensation
Pulse Response of Feedforward
Compensation
Ampmeter with Six Decade Range
50pF
0.01
F
2
3
5
OUT
10k
5k
6
+
LT1012
IN
LT1012A AI03
*RESISTORS MUST HAVE LOW THERMOELECTRIC
POTENTIAL
50k
100
50k
V0
V0 = 1000V0S
*
15V
–15V
+
2
3
LT1012
7
4
6
LT1012A AI02
5V/DIV
5
s/DIV
Photoo
–15V
15V
0.1
F
10k
CURRENT INPUT
Q1, Q2, Q3, Q4, RCA CA3146 TRANSISTOR ARRAY.
CALIBRATION: ADJUST R1 FOR FULL-SCALE
DEFLECTION WITH 1
A INPUT CURRENT
AMPMETER MEASURES CURRENTS FROM 100pA
TO 100
A WITHOUT THE USE OF EXPENSIVE
HIGH VALUE RESISTORS. ACCURACY AT 100
A
IS LIMITED BY THE OFFSET VOLTAGE BETWEEN
Q1 AND Q2 AND, AT 100pA, BY THE INVERTING
BIAS CURRENT OF THE LT1012
2
7
6
33k
4
3
100
A
10
A
1
A
10k
+
LT1012
Q2
Q3
Q4
PIN 13
CA3146
RANGE
100
A
METER
100pA
1nA
10nA
100nA
R1
2k
1.2k
549
549
549
549
549
549
LT1004C
10k
15V
LT1012A TA03
Q1
APPLICATIO S I FOR ATIO
WU
UU
TYPICAL APPLICATIO S
U
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