LTC1100AM LINER [Linear Technology], LTC1100AM Datasheet

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LTC1100AM

Manufacturer Part Number
LTC1100AM
Description
Precision, Chopper-Stabilized Instrumentation Amplifier
Manufacturer
LINER [Linear Technology]
Datasheet
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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LTC1100AM Summary of contents

Page 1

S FEATURE Offset Voltage 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 P-P Single 5V ...

Page 2

... S Storage Temperature Range ................ 150 C Total Supply Voltage ( ............................. 18V Input Voltage ....................... (V Lead Temperature (Soldering, 10 sec)................. 300 ORDER PART NUMBER NC GND REF LTC1100ACN8 CMRR LTC1100CJ8 LTC1100CN8 NC LTC1100AMJ8 –V IN – LTC1100MJ8 5V 10k LTC1100ACN (Note 3) MIN TYP 0. ...

Page 3

... Input Noise Voltage DC to 10Hz, T Input Bias Current Input Offset Current Common-Mode Rejection Ratio V = 4.7V to 2.3V, CM Power Supply Rejection Ratio V = 2.375V 5V 10k LTC1100AMJ (Note 3) MIN TYP 0. 1 100 115 = 8V – 7 – 7.0 S 2.4 2.8 18 ...

Page 4

LTC1100 ELECTRICAL C HARA TERISTICS C PARAMETER CONDITIONS Output Voltage Swing R =10k 2k Supply Current Internal Sampling Frequency Bandwidth G = 100 T ...

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

PPLICATI S I FOR ATIO Common-Mode Rejection Due to very precise matching of the internal resistors, no trims are required to obtain a DC CMRR of better than 100dB. However, things change as frequency rises. The ...

Page 8

LTC1100 PACKAGE DESCRIPTIO CORNER LEADS OPTION (4 PLCS) 0.290 – 0.320 (7.366 – 8.128) 0.045 – 0.068 (1.143 – 1.727) FULL LEAD OPTION 0.008 – 0.018 0° – 15° (0.203 – 0.457) 0.385 ± 0.025 (9.779 ± 0.635) 0.300 – ...

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