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Linear Technology Electronic Components Datasheet

LT1102 Datasheet

High Speed/ Precision/ JFET Input Instrumentation Amplifier(Fixed Gain=10 or 100)

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LT1102
High Speed, Precision,
JFET Input Instrumentation Amplifier
(Fixed Gain = 10 or 100)
FEATURES
Slew Rate: 30V/μs
Gain-Bandwidth Product: 35MHz
Settling Time (0.01%): 3μs
Overdrive Recovery: 0.4μs
Gain Error: 0.05% Max
Gain Drift: 5ppm/°C
Gain Nonlinearity: 16ppm Max
Offset Voltage (Input + Output): 600μV Max
– Drift with Temperature: 2μV/°C
Input Bias Current: 40pA Max
Input Offset Current: 40pA Max
– Drift with Temperature (to 70°C): 0.5pA/°C
U
APPLICATIO S
Fast Settling Analog Signal Processing
Multiplexed Input Data Acquisition Systems
High Source Impedance Signal Amplification from
High Resistance Bridges, Capacitance Sensors,
Photodetector Sensors
Bridge Amplifier with < 1Hz Lowpass Filtering
DESCRIPTIO
The LT®1102 is the first fast FET input instrumentation
amplifier offered in the low cost, space saving 8-pin
packages. Fixed gains of 10 and 100 are provided with
excellent gain accuracy (0.01%) and non-linearity (3ppm).
No external gain setting resistor is required.
Slew rate, settling time, gain-bandwidth product,
overdrive recovery time are all improved compared to
competitive high speed instrumentation amplifiers.
Industry best speed performance is combined with
impressive precision specifications: less than 10pA input
bias and offset currents, 180μV offset voltage. Unlike
other FET input instrumentation amplifiers, on the LT1102
there is no output offset voltage contribution to total error,
and input bias currents do not double with every 10°C rise
in temperature. Indeed, at 70°C ambient temperature the
input bias current is only 40pA.
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
TYPICAL APPLICATIO
Wideband Instrumentation Amplifier
with ±150mA Output Current
V+ = 15V
5
6+
LT1102
7
8
3
4
2
1
R
BIAS
LT1010
OUT
V = – 15V
OUTPUT = ± 10V INTO 75Ω TO 330kHz (R = 50Ω)
± 10V INTO 200Ω TO 330kHz (R = 200Ω)
DRIVES 2.2nF CAP LOAD
GAIN = 10, DEGRADED 0.01% DUE TO LT1010
LT1102 • TA01
Slew Rate
FPO
G = 10
0.5μs/DIV
FPOLT1102 • TA02
1102fb
1


Linear Technology Electronic Components Datasheet

LT1102 Datasheet

High Speed/ Precision/ JFET Input Instrumentation Amplifier(Fixed Gain=10 or 100)

No Preview Available !

LT1102
ABSOLUTE AXI U RATI GS (Note 1)
Supply Voltage ...................................................... ±20V
Differential Input Voltage ....................................... ±40V
Input Voltage ......................................................... ±20V
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking: http://www.linear.com/leadfree/
Output Short-Circuit Duration .......................... Indefinite
Operating Temperature Range
LT1102I .............................................. –40°C to 85°C
LT1102AC/LT1102C ................................ 0°C to 70°C
LT1102AM/LT1102M (OBSOLETE).....–55°C to 125°C
Storage Temperature Range ................. –65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
UW U
PACKAGE/ORDER I FOR ATIO
GROUND
(REF) 1
TOP VIEW
OUTPUT
8
90R
OUT
7 G = 10
REF
G = 10
2
90R R
9R
–IN 3 +
R
4
V(CASE)
9R
6 +IN
5 V+
H PACKAGE
8-LEAD TO-5 METAL CAN
OBSOLETE PACKAGE
Consider the N8 Package for Alternate Source
ORDER PART
NUMBER
LT1102AMH
LT1102MH
LT1102ACH
LT1102CH
GROUND
(REF)
1
REF
G = 10
2
–IN 3
V4
TOP VIEW
LT1102
90R 90R
9R R
R9R
+
9 = 1.8k
8 OUTPUT
7
OUT
G = 10
6 +IN
5 V+
N8 PACKAGE
8-LEAD PDIP
TJMAX = 100°C, θJA = 130°C/W
J8 PACKAGE
8-LEAD CERDIP
OBSOLETE PACKAGE
Consider the N8 Package for Alternate Source
Consult LTC Marketing for parts specified with wider operating temperature ranges.
ORDER PART
NUMBER
LT1102IN8
LT1102ACN8
LT1102CN8
LT1102MJ8
LT1102CJ8
LT1102 • POI01
1102fb
2


Part Number LT1102
Description High Speed/ Precision/ JFET Input Instrumentation Amplifier(Fixed Gain=10 or 100)
Maker Linear Technology
Total Page 12 Pages
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