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LT1051 Datasheet

Dual/Quad Precision Zero-Drift Operational Amplifiers With Internal Capacitors

No Preview Available !

LTC1051/LTC1053
Dual/Quad Precision
Zero-Drift Operational Amplifiers
With Internal Capacitors
FEATURES
DESCRIPTIO
Dual/Quad Low Cost Precision Op Amp
No External Components Required
Maximum Offset Voltage: 5µV
Maximum Offset Voltage Drift: 0.05µV/°C
Low Noise 1.5µVP-P (0.1Hz to 10Hz)
Minimum Voltage Gain: 120dB
Minimum PSRR: 120dB
Minimum CMRR: 114dB
Low Supply Current: 1mA/Op Amp
Single Supply Operation: 4.75V to 16V
Input Common Mode Range Includes Ground
Output Swings to Ground
Typical Overload Recovery Time: 3ms
Pin Compatible with Industry Standard Dual and
Quad Op Amps U
APPLICATIO S
Thermocouple Amplifiers
Electronic Scales
Medical Instrumentation
Strain Gauge Amplifiers
High Resolution Data Acquisition
DC Accurate R C Active Filters
, LTC and LT are registered trademarks of Linear Technology Corporation.
The LTC®1051/LTC1053 are high performance, low cost
dual/quad zero-drift operational amplifiers. The unique
achievement of the LTC1051/LTC1053 is that they integrate
on chip the sample-and-hold capacitors usually required
externally by other chopper amplifiers. Further, the
LTC1051/LTC1053 offer better combined overall DC and
AC performance than is available from other chopper
stabilized amplifiers with or without internal sample/hold
capacitors.
The LTC1051/LTC1053 have an offset voltage of 0.5µV,
drift of 0.01µV/°C, DC to 10Hz, input noise voltage typically
1.5µVP-P and typical voltage gain of 140dB. The slew rate
of 4V/µs and gain bandwidth product of 2.5MHz are
achieved with only 1mA of supply current per op amp.
Overload recover times from positive and negative
saturation conditions are 1.5ms and 3ms respectively,
about a 100 or more times improvement over chopper
amplifiers using external capacitors.
The LTC1051 is available in an 8-lead standard plastic
dual-in-line package as well as a 16-pin SW package. The
LTC1053 is available in a standard 14-pin plastic package
and an 18-pin SO. The LTC1051/LTC1053 are plug in
replacements for most standard dual/quad op amps with
improved performance.
TYPICAL APPLICATIO
High Performance Low Cost Instrumentation Amplifier
R1 R2
5V
R2 2 8
1/2
LTC1051
1
R1
6
VIN 3 +
R1 = 499, 0.1%
1/2
VIN
5
LTC1051
+4
R2 = 100k, 0.1%
GAIN = 201
– 5V
MEASURED CMRR ~ 120dB AT DC
MEASURED INPUT VOS 3µV
MEASURED INPUT NOISE 2µVP-P (DC – 10Hz)
7
1051/53 TA01a
LTC1051 Noise Spectrum
120
100
80
60
40
20
10
100 1k
FREQUENCY (Hz)
10k
1051/53 TA01b
10513fa
1


Linear Technology Electronic Components Datasheet

LT1051 Datasheet

Dual/Quad Precision Zero-Drift Operational Amplifiers With Internal Capacitors

No Preview Available !

LTC1051/LTC1053
ABSOLUTE AXI U RATI GS (Note 1)
Total Supply Voltage (V+ to V) ............................ 16.5V
Input Voltage ........................ (V+ + 0.3V) to (V– 0.3V)
Output Short-Circuit Duration .......................... Indefinite
Operating Temperature Range
LTC1051M, LTC1051AM (OBSOLETE) .. –55°C to 125°C
LTC1051C/LTC1053C ......................... – 40°C to 85°C
Storage Temperature Range ................. – 65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
UW U
PACKAGE/ORDER I FOR ATIO
OUT A 1
– IN A 2
+IN A 3
V4
TOP VIEW
8 V+
7 OUT B
6 –IN B
5 +IN B
N8 PACKAGE
8-LEAD PDIP
TJMAX = 150°C, θJA = 110°C/W
J8 PACKAGE
8-LEAD CERDIP
OBSOLETE PACKAGE
Consider the N8 Package as an Alternate Source
ORDER PART
NUMBER
LTC1051CN8
LTC1051MJ8
LTC1051CJ8
LTC1051AMJ8
LTC1051ACJ8
TOP VIEW
OUT A 1
– IN A 2
+IN A 3
V+ 4
+IN B 5
– IN B 6
OUT B 7
14 OUT D
13 – IN D
12 +IN D
11 V
10 +IN C
9 – IN C
8 OUT C
N PACKAGE
14-LEAD PDIP
TJMAX = 150°C, θJA = 65°C/W
ORDER PART
NUMBER
LTC1053CN
TOP VIEW
NC 1
NC 2
OUT A 3
–IN A 4
+IN A 5
V6
NC 7
NC 8
16 NC
15 NC
14 V+
13 OUT B
12 –IN B
11 +IN B
10 NC
9 NC
SW PACKAGE
16-LEAD PLASTIC SO
TJMAX = 150°C, θJA = 90°C/W
ORDER PART
NUMBER
LTC1051CSW
TOP VIEW
NC 1
OUT A 2
–IN A 3
+IN A 4
V+ 5
+IN B 6
–IN B 7
OUT B 8
NC 9
18 NC
17 OUT D
16 –IN D
15 +IN D
14 V
13 +IN C
12 –IN C
11 OUT C
10 NC
SW PACKAGE
18-LEAD PLASTIC SO
TJMAX = 150°C, θJA = 85°C/W
Consult LTC Marketing for parts specified with wider operating temperature ranges.
ORDER PART
NUMBER
LTC1053CSW
ELECTRICAL CHARACTERISTICS The denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VS = ±5V unless otherwise noted.
PARAMETER
Input Offset Voltage
Average Input Offset Drift
Long Term Offset Drift
Input Bias Current
Input Offset Current
Input Noise Voltage (Note 2)
CONDITIONS
LTC1051C/LTC1053C
(All Grades)
RS = 100, DC to 10Hz
RS = 100, DC to 1Hz
LTC1051/LTC1053
LTC1051A
MIN TYP MAX MIN TYP MAX
UNITS
±0.5 ±5
±0.5 ±5
µV
±0.0 ±0.05 ±0.0 ±0.05 µV/°C
50 50 nV/Mo
±15 ±65
±15 ±50
pA
±135
±100
pA
±30 ±125
±30 ±100
pA
±175 ±150 pA
1.5 1.5 2 µVP-P
0.4 0.4 µVP-P
10513fa
2


Part Number LT1051
Description Dual/Quad Precision Zero-Drift Operational Amplifiers With Internal Capacitors
Maker Linear Technology
Total Page 16 Pages
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