LT1112/LT1114
U W
TYPICAL PERFOR A CE CHARACTERISTICS
Distribution of Offset Voltage
Distribution of Offset Voltage
Match Drift (LT1112S8, LT1114N,
LT1114S Packages)
Distribution of Offset
Voltage Match
Match Drift (LT1112J8, LT1112N8,
LT1114J Packages)
20
15
10
5
30
25
20
15
10
5
25
20
15
V
T
= ±15V
= 25°C
V
= ±15V
V = ±15V
S
364 PAIRS TESTED
S
A
S
342 PAIRS TESTED
10
5
0
0
0
0.4 0.6
OFFSET VOLTAGE MATCH DRIFT (µV/°C)
–0.8 –0.6 –0.4 –0.2
0
0.2
0.8
–1.6 –1.2 –0.8 –0.4
0
0.4 0.8 1.2 1.6
–100–80 –60 –40 –20
0
20 40 60 80 100
OFFSET VOLTAGE MATCH DRIFT (µV/°C)
∆V , OFFSET VOLTAGE MATCH (µV)
OS
LT1112/14 • TPC08
LT1112/14 • TPC09
LT1112/14 • TPC07
Noise Spectrum
0.1Hz to 10Hz Noise
0.01Hz to 1Hz Noise
1000
100
10
V
T
= ±1V TO ±20V
= 25°C
V
T
= ±15V
= 25°C
V
T
= ±15V
= 25°C
S
A
S
A
S
A
CURRENT NOISE
VOLTAGE NOISE
1/f
CORNER
2.5Hz
1/f
CORNER
140Hz
1
1
10
100
1000
2
6
20
0
4
8
10
0
40
60
TIME (SEC)
80
100
FREQUENCY (Hz)
TIME (SEC)
LT1112/14 • TPC10
LT1112/14 • TPC11
LT1112/14 • TPC12
Supply Current per Amplifier
vs Supply Voltage
Long Term Stability of Three
Representative Units
Warm-Up Drift
3
2
1
0
6
4
600
500
400
300
200
V
T
= ±15V
= 25°C
V
T
= ±15V
= 25°C
S
A
S
A
2A
3A
2
2B
1A
3B
LT1112S8, LT1114N/S PACKAGES
0
T
= 125°C
A
LT1114J PACKAGE
–2
–4
–6
T
= 25°C
A
1B
LT1112J8, N8 PACKAGES
T
A
= –55°C
0
0.5
1.0
1.5
2.0
2.5
0
2
3
4
5
6
1
±10
±15
0
±20
±5
TIME AFTER POWER ON (MINUTES)
TIME (MONTHS)
SUPPLY VOLTAGE (V)
LT1112/14 • TPC13
LT1112/14 • TPC14
LT1112/14 • TPC15
111214fb
7
Linear Systems [ Linear Systems ]
