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LT1990CS8 Datasheet(PDF) 16 Page - Linear Technology

Part # LT1990CS8
Description  250V Input Range G = 1, 10, Micropower, Difference Amplifier
PDF  16 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT1990CS8 Datasheet(HTML) 16 Page - Linear Technology

Back Button LT1990CS8 Datasheet HTML 8Page - Linear Technology LT1990CS8 Datasheet HTML 9Page - Linear Technology LT1990CS8 Datasheet HTML 10Page - Linear Technology LT1990CS8 Datasheet HTML 11Page - Linear Technology LT1990CS8 Datasheet HTML 12Page - Linear Technology LT1990CS8 Datasheet HTML 13Page - Linear Technology LT1990CS8 Datasheet HTML 14Page - Linear Technology LT1990CS8 Datasheet HTML 15Page - Linear Technology LT1990CS8 Datasheet HTML 16Page - Linear Technology  
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LT1990
16
1990f
© LINEAR TECHNOLOGY CORPORATION 2004
LT/TP 0704 1K • PRINTED IN USA
RELATED PARTS
TYPICAL APPLICATIO
PART NUMBER
DESCRIPTION
COMMENTS
LT1787
Precision High Side Current Sense Amplifier
On-Chip Precision Resistor Array
LT1789
Micropower Instrumentation Amplifier
Micropower, Precision, G = 1 to 1000
LTC1921
Dual –48V Supply and Fuse Monitor
Withstands ±200V Transients
LT1991
High Accuracy Difference Amplifier
Micropower, Precision, Pin Selectable G = –13 to 14
LT1995
30MHz, 1000V/µs Gain Selectable Amplifier
Pin Selectable G = –7 to 8
LT6910
Single Supply Programmable Gain Amplifier
Digitally Controlled, SOT-23, G = 0 to 100
Telecom Supply Current Monitor
Selectable Gain Amplifier
Bidirectional Controlled Current Source
Boosted Bidirectional Controlled Current Source
–
+
LT6650
GND
IN
OUT
FB
174k
20k
1nF
1µF
VREF = 4V
1
2
3
2
6
5
7
4
1
8
4
5
LOAD
RS
48V
IL
+
–
5V
VOUT
1990 AI01
–77V ≤ VCM ≤ 8V
VOUT = VREF – (10 • IL • RS)
LT1990
REF
G1
G2
–
+
3
2
6
7
4
8
5
1
+V
–V
LT1990
VOUT
VIN+
VIN–
VREF
1990 AI02
REF
2N7002
2N7002
GAIN_SEL
(HI = 10X, LO = 1X)
G1
G2
–
+
3
2
6
7
4
1
+V
–V
LT1990
ILOAD
ILOAD = VCTL/RSENSE ≤ 5mA
EXAMPLE: FOR RSENSE =100Ω,
OUTPUT IS 1mA PER 100mV INPUT
VCTL
RSENSE
1990 AI03
REF
–
+
3
2
6
7
4
1
+V
–V
LT1990
ILOAD
ILOAD = VCTL/RSENSE ≤ 100mA
EXAMPLE: FOR RSENSE =10Ω,
OUTPUT IS 1mA PER 10mV INPUT
VCTL
RSENSE
1990 AI04
10µF
1k
1k
REF
CZT751
CZT651
+



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