12
LT1211/LT1212
CCHARA TERIST
ICS
UW
AT
Y
P
I
CA
LPER
F
O
R
C
E
Input Noise Current, Noise Common Mode Rejection Ratio Input Referred Power Supply
Voltage Density vs Frequency vs Frequency Rejection Ratio vs Frequency
Input Bias Current vs Common Mode Range
Input Bias Current vs Temperature Common Mode Voltage vs Temperature
Supply Current vs Supply Voltage Supply Current vs Temperature Warm-Up Drift vs Time
SUPPLY VOLTAGE (V)
0
SUPPLY CURRENT PER AMPLIFIER (mA)
2
1
0
2
4
5
1211/12 G34
13
T
A
= 125°C
T
A
= 25°C
T
A
= –55°C
FREQUENCY (Hz)
130
120
110
100
90
80
70
60
50
40
30
1k 100k 1M 10M
1211/12 G42
10k
NEGATIVE SUPPLY
POWER SUPPLY REJECTION RATIO (dB)
V
S
= ±15V
A
V
= 100
POSITIVE SUPPLY
TEMPERATURE (°C)
COMMON MODE RANGE (V)
V
+
V
+
–1
V
+
–2
1211/12 G39
V
–
+1
V
–
V
–
–1
–50 25 75
–25 0
50 100 125
TEMPERATURE (°C)
–50
SUPPLY CURRENT PER AMPLIFIER (mA)
2.6
2.2
1.8
1.4
1.0
0.6
–25
05075
1211/12 G35
100 125
25
V
S
= ±15V
V
S
= 5V
TIME AFTER POWER-UP (SEC)
0
CHANGE IN OFFSET VOLTAGE (µV)
2
1
0
–1
–2
40
1211/12 G36
10
20
30
50
V
S
= 5V
R
L
=
∞
2 TYPICAL AMPLIFIERS
TEMPERATURE (°C)
–50
INPUT BIAS CURRENT (nA)
100
90
80
70
60
50
40
30
25 75
–25 0
50 100 125
1211/12 G37
I
OS
+I
B
–I
B
V
S
= 5V
COMMON MODE VOLTAGE (V)
–1
INPUT BIAS CURRENT (nA)
0
–20
–40
–60
–80
–100
3
1211/12 G38
0
1
2
4
T
A
= –55°C
V
S
= 5V
T
A
= 125°C
T
A
= 25°C
FREQUENCY (Hz)
10k
COMMON MODE REJECTION RATIO (dB)
110
100
90
80
70
60
50
40
30
20
10
100k 1M 10M
1211/12 G41
V
S
= 5V
FREQUENCY (Hz)
20
18
16
14
12
10
8
6
4
2
0
10 1k 10k 100k
1211/12 G40
100
CURRENT NOISE
INPUT NOISE VOLTAGE DENSITY (nV/√Hz)
V
S
= ±15V
T
A
= 25°C
R
S
= 0Ω
VOLTAGE NOISE
INPUT NOISE CURRENT DENSITY (pA/√Hz)
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
