LT1100 Linear Technology, LT1100 Datasheet

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LT1100

Manufacturer Part Number
LT1100
Description
Precision/ Chopper-Stabilized Instrumentation Amplifier
Manufacturer
Linear Technology
Datasheet

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FEATURE
A
TYPICAL
PPLICATI
Offset Voltage: 10 V Max
Offset Voltage Drift: 50nV/ C Max
Bias Current: 50pA Max
Offset Current: 50pA Max
Gain Nonlinearity: 8ppm Max
Gain Error: 0.05% Max
CMRR: 104dB
0.1Hz to 10Hz Noise: 2 V
Single 5V Supply Operation
8-Pin MiniDIP
Thermocouple Amplifiers
Strain Gauge Amplifiers
Differential to Single-Ended Converters
A
S
O
PPLICATI
U
S
P-P
O
U
Single 5V Supply, DC Instrumentation Amplifier
V
OUT
–V
IN
= 100 [V
1
2
3
4
IN
– (–V
LTC1100
IN
)]
Precision, Chopper-Stabilized
D
The LTC1100 is a high precision instrumentation ampli-
fier using chopper-stabilization techniques to achieve
outstanding DC performance. The input DC offset is
typically 1 V while the DC offset drift is typically 10nV/ C;
a very low bias current of 50pA is also achieved.
The LTC1100 is self-contained; that is, it achieves a differ-
ential gain of 100 without any external gain setting resistor
or trim pot. The gain linearity is 8ppm and the gain drift is
4ppm/ C. The LTC1100 operates from a single 5V supply
up to 8V. The output typically swings 300mV from its
power supply rails with a 10k load.
An optional external capacitor can be added from pin 7 to
pin 8 to tailor the device’s 18kHz bandwidth and to
eliminate any unwanted noise pickup.
The LTC1100 is also offered in a 16-pin surface mount
package with selectable gains of 10 or 100.
The LTC1100 is manufactured using Linear Technology’s
enhanced LTCMOS
LTCMOS is a trademark of Linear Technology Corporation
ESCRIPTIO
8
7
6
5
Instrumentation Amplifier
V
IN
0.01 F
0.1 F
LTC1100 • TA01
V
+
= 5V
V
OUT
TM
U
silicon gate process.
LTC1100
1

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LT1100 Summary of contents

Page 1

... The LTC1100 is also offered in a 16-pin surface mount package with selectable gains 100. The LTC1100 is manufactured using Linear Technology’s enhanced LTCMOS LTCMOS is a trademark of Linear Technology Corporation Single 5V Supply, DC Instrumentation Amplifier ...

Page 2

LTC1100 BSOLUTE Operating Temperature Range LTC1100M/AM ................................ 125 C LTC1100C/AC .................................... Output Short Circuit Duration ......................... Indefinite U PACKAGE/ORDER I FOR ATIO TOP VIEW GND ...

Page 3

ELECTRICAL C HARA TERISTICS C PARAMETER CONDITIONS Gain Error Gain Nonlinearity Input Offset Voltage (Note 1) Input Offset Voltage Drift (Note 1) Input Noise Voltage DC to 10Hz, T Input ...

Page 4

... – 7.7 S 2.4 3.4 2.8 18 180 systems capability. Note 2: See Applications Information, Single Supply Operation. Note 3: Please consult Linear Technology Marketing. 7 99R 90R 2 – 2.5k + – LTC1100 • BD01 NOTE: FOR A VOLTAGE GAIN OF 10V/V SHORT PIN AND PIN 14 TO 15. ...

Page 5

W U TYPICAL PERFOR A Supply Current vs Supply Voltage –55° 25° 125° – TOTAL SUPPLY ...

Page 6

LTC1100 W U TYPICAL PERFOR A Large-Signal Transient Response G = 100 2V/DIV 10 s/DIV LTC1100 • TPC13 Large-Signal Transient Response (LTC1100CS Only 2V/DIV 10 s/DIV LTC1100 • TPC16 ...

Page 7

... FOR Figure 2. Overcompensation to Reduce System Bandwidth Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen- tation that the interconnection of its circuits as described herein will not infringe on existing patent rights. W ...

Page 8

... NOTE 1 (10.007 – 10.643 LT/GP 0594 2K REV B • PRINTED IN USA LINEAR TECHNOLOGY CORPORATION 1994 ...

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