4
LT1002
1002fb
The denotes the specifications which apply over the temperature range 0°C T
A
70°C, V
S
= ±15V, unless otherwise noted.
LT1002AM LT1002M
SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
Input Offset Voltage Match 50 140 60 230 µV
Input Offset Voltage Tracking 0.3 1.0 0.4 1.5 µV/°C
I
B
+
Average Non-Inverting Bias
Current ±1.5 ±6.0 ±1.8 ±10.0 nA
I
OS
+
Non-Inverting Offset Current 1.5 6.5 1.8 12.0 nA
I
OS
Inverting Offset Current 1.5 6.5 1.8 12.0 nA
CMRR Common Mode Rejection Ratio
Match V
CM
= ±13V 106 126 102 124 dB
PSRR Power Supply Rejection Ratio
Match V
S
= ±3V to ±18V 102 122 94 120 dB
ATCHI G CHARACTERISTICS
UW
LT1002AC LT1002C
SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
Input Offset Voltage Match 30 85 45 150 µV
Input Offset Voltage Tracking 0.3 1.0 0.4 1.5 µV/°C
I
B
+
Average Non-Inverting Bias
Current ±1.0 ±4.5 ±1.2 ±7.0 nA
I
OS
+
Non-Inverting Offset Current 1.0 5.0 1.2 8.5 nA
I
OS
Inverting Offset Current 1.0 5.0 1.2 8.5 nA
CMRR Common Mode Rejection Ratio
Match V
CM
= ±13V 108 130 105 128 dB
PSRR Power Supply Rejection Ratio
Match V
S
= ±3V to ±18V 105 126 98 124 dB
For MIL-STD components, please refer to LTC 883C data sheet for test
listing and parameters.
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2: Offset voltage measured with high speed test equipment,
approximately 1second after power is applied.
Note 3: This parameter is tested on a sample basis only.
Note 4: Long Term Input Offset Voltage Stability refers to the averaged
trend line of V
OS
versus Time over extended periods after the first 30 days
of operation. Excluding the initial hour of operation, changes in V
OS
during
the first 30 operating days are typically 2.5µV.
Note 5: Parameter is guaranteed by design.
Note 6: 10Hz noise voltage density is sample tested on every lot.
Devices 100% tested at 10Hz are available on request.
Note 7: The V+ supply terminals are completely independent and may be
powered by separate supplies if desired (this approach, however, would
sacrifice the advantages of the power supply rejection ratio matching). The
V– supply terminals are both connected to the common substrate and
must be tied to the same voltage. Both V– pins should be used.
The denotes the specifications which apply over the temperature range –55°C T
A
125°C, V
S
= ±15V, unless otherwise noted.
5
LT1002
1002fb
TYPICAL PERFORMANCE CHARACTERISTICS
U
W
Distribution of Offset Voltage
Match Drift with Temperature
INPUT OFFSET VOLTAGE DRIFT
WITH TEMPERATURE (µV/°C)
NUMBER OF UNITS
70
60
50
40
30
20
10
0
1002 G02
1.2
0.8
0.4 0 +0.4 +0.8 +1.2
260 UNITS TESTED
V
S
= ±15V
Offset Voltage Drift with Temperature
of Six Representative Units
Offset Voltage Tracking with Temperature
of Six Representative Units
Long Term Stability of Four
Representative Units
TIME (MONTHS)
0
OFFSET VOLTAGE CHANGE (µV)
4
1001 G07
1
2
3
5
10
5
0
–5
–10
FREQUENCY (Hz)
1
1
3
10
30
100
0.1
1
3
10
10 100 1000
1002 G09
VOLTAGE NOISE nV/Hz
T
A
= 25°C
V
S
= ±3 TO ±18V
VOLTAGE
CURRENT
1/f CORNER
70Hz
1/f CORNER
4Hz
0.3
CURRENT NOISE pA/Hz
TIME (SECONDS)
0
NOISE VOLTAGE 100nV/DIV
8
1001 G08
2
4
6
10
Distribution of Offset Voltage Drift
with Temperature
(Individual Amplifiers)
Distribution of Offset Voltage of
Individual Amplifiers
OFFSET VOLTAGE MATCH DRIFT
WITH TEMPERATURE (µV/°C)
NUMBER OF UNITS
35
30
25
20
15
10
5
1002 G03
1.2
0.8
0.4 0 +0.4 +0.8 +1.2
130 UNITS TESTED
V
S
= ±15V
Warm-Up Drift
TIME AFTER POWER ON –
BOTH AMPLIFIERS (MINUTES)
0
CHANGE IN OFFSET VOLTAGE (MICROVOLTS)
5
4
3
2
1
0
4
1002 G06
1
2
3
5
V
S
= ±15V
T
A
= 25°C
N14 PLASTIC PACKGE
J14 HERMETIC DIP PACKGE
TEMPERATURE (°C)
–50
OFFSET VOLTAGE MATCH (µV)
100
80
60
40
20
0
–20
–40
–60
–80
100
0
50
75
1002 G04
–25
25
100
125
LT1002AM
LT1002AM
LT1002AM
LT1002M
LT1002M
V
S
= ±15V
LT1002M
TEMPERATURE (°C)
–50
INDIVIDUAL AMPLIFIER OFFSET VOLTAGE (µV)
100
80
60
40
20
0
–20
–40
–60
–80
100
0
50
75
1002 G04
–25
25
100
125
LT1002AM
LT1002AM
LT1002AM
LT1002M
LT1002M
LT1002M
0.1Hz to 10Hz Noise Noise Spectrum
INPUT OFFSET VOLTAGE (µV)
100 80
NUMBER OF UNITS
100
80
60
40
20
0
60
1002 G01
–60 –40
–20 0
20 40 80
100
574 UNITS TESTED
V
S
= ±15V
T
A
= 25°C
6
LT1002
1002fb
TYPICAL PERFORMANCE CHARACTERISTICS
U
W
±DIFFERENTIAL INPUT (VOLTS)
0.1
0
INVERTING OR NON-INVERTING
INPUT BIAS CURRENT (mA)
10
20
30
1.0 3.00.3 10 30
1002 G12
V
S
= ±15V
T
A
= 25°C
I
B
1 nA
Input Bias Current vs.
Differential Input Voltage
TEMPERATURE (°C)
–50
1200k
1000k
800k
600k
400k
200k
0
25 75
1002 G13
–25 0
50 100 125
OPEN LOOP VOLTAGE GAIN (V/V)
V
S
= ±15V, V
O
= ±12V
V
S
= ±3V, V
O
= ±1V
Matching and Individual Amplifier
Bias and Offset Currents vs Temperature
TEMPERATURE (°C)
–50
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
25 75
1001 G10
–25 0
50 100 125
INPUT BIAS AND OFFSET CURRENTS (nA)
V
S
= ±15V
MATCHING: NON INVERTING
BIAS CURRENT
M
A
T
C
H
I
N
G
:
I
N
V
E
R
I
N
G
&
N
O
N
-
I
N
V
.
O
F
F
S
E
T
C
U
R
R
E
N
T
I
N
D
I
V
I
D
U
A
L
A
M
P
B
I
A
S
C
U
R
R
E
N
T
I
N
D
I
V
I
D
U
A
L
A
M
P
O
F
F
S
E
T
C
U
R
R
E
N
T
COMMON-MODE INPUT VOLTAGE
–15
INPUT BIAS CURRENT (nA)
1.5
1.0
0.5
0
–.5
1.0
1.5
–10
–5 0 5
1002 G11
10 15
V
S
= ±15V
T
A
= 25°C
DEVICE WITH POSITIVE INPUT CURRENT
DEVICE WITH NEGATIVE INPUT CURRENT
+
V
CM
I
b
COMMON-MODE
INPUT RESISTANCE = = 280G
28V
0.1nA
Input Bias Current
Over the Common Mode Range
Open Loop Voltage Gain
vs Temperature
FREQUENCY (Hz)
0.1
OPEN LOOP VOLTAGE GAIN (dB)
10M
1002 G14
10 100 10k 1M1
1k
100k
140
120
100
80
60
40
20
0
–20
T
A
= 25°C
V
S
= ±15V
V
S
= ±3V
Open Loop Voltage Gain
Frequency Response
FREQUENCY (MHz)
0.1 0.2 0.5
VOLTAGE GAIN (dB)
PHASE SHIFT (DEGREES)
1
1002 G15
PHASE MARGIN –55°C = 63°
125°C = 57°
20
16
12
8
4
0
–4
–8
80
100
120
140
160
180
200
220
2
PHASE 25°C
GAIN 125°C
V
S
= ±15V
GAIN 25°C & –55°C
25°C
PHASE
MARGIN
= 60°
Gain, Phase Shift vs. Frequency
Open Loop Gain Mismatch
vs Frequency
FREQUENCY (Hz)
1
OPEN LOOP GAIN MISMATCH (PERCENT)
1.0
0.8
0.6
0.4
0.2
0
10k
1002 G16
10
100
1k
100k
V
S
= ±15V
T
A
= 25°C
PERCENT GAIN MISMATCH =
OUTPUT A – OUTPUT B
1
/
2
(OUTPUT A + OUTPUT B)
× 100%
FREQUENCY (Hz)
1
OUTPUT IMPEDANCE ()
100
10
1
0.1
0.01
0.001
10k
1002 G17
10
100
1k
100k
A
V
= 1000
A
V
= +1
I
O
= ±1mA
V
S
= ±15V
T
A
= 25°C
Closed Loop Output Impedance
Power Supply Rejection and
PSRR Match vs Frequency
FREQUENCY (Hz)
POWER SUPPLY REJECTION (dB)
160
140
120
100
80
60
40
20
0
1002 G18
0.1
1
10 100 1k 10k 100k
V
S
= ±15V ±2V
pp
T
A
= 25°C
MATCH (NEGATIVE SUPPLY)
MATCH (POSITIVE SUPPLY)
POSITIVE SUPPLY
NEGATIVE SUPPLY

LT1002ACN#PBF

Mfr. #:
Manufacturer:
Analog Devices Inc.
Description:
Precision Amplifiers 2x, Matched Prec Op Amp
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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