Datasheet

LT6236/LT6237/LT6238
13
623637fa
For more information www.linear.com/LT6236
TYPICAL PERFORMANCE CHARACTERISTICS
Open-Loop Gain Open-Loop Gain Open-Loop Gain
Offset Voltage vs Output Current Warm-Up Drift vs Time
Total Noise vs Total Source
Resistance
Balanced Current Noise
vs Frequency
Unbalanced Current Noise
vs Frequency Noise Voltage vs Frequency
OUTPUT VOLTAGE (V)
0
INPUT VOLTAGE (mV)
1.5
62367 G10
0.5 1 2
2.5
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
–2.5
32.5
R
L
= 100Ω
R
L
= 1k
V
S
= 3V, 0V
T
A
= 25°C
OUTPUT VOLTAGE (V)
0
INPUT VOLTAGE (mV)
1.5
62367 G11
0.5 1 2
0
3 4 52.5 3.5 4.5
R
L
= 100Ω
R
L
= 1k
V
S
= 5V, 0V
T
A
= 25°C
2.5
2.0
1.5
1.0
0.5
–0.5
–1.0
–1.5
–2.0
–2.5
OUTPUT VOLTAGE (V)
–5
INPUT VOLTAGE (mV)
–2
62367 G12
–4 –3 –1
0
1 3 50 2 4
R
L
= 100Ω
R
L
= 1k
V
S
= ±5V
T
A
= 25°C
2.5
2.0
1.5
1.0
0.5
–0.5
–1.0
–1.5
–2.0
–2.5
OUTPUT CURRENT (mA)
–75
OFFSET VOLTAGE (mV)
62367 G13
–45 –15
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
0 30 7560–60 –30 15 45
T
A
= –55°C
T
A
= 125°C
V
S
= ±5V
T
A
= 25°C
TIME AFTER POWER-UP (s)
0
CHANGE IN OFFSET VOLTAGE (µV)
60
62367 G14
20 100
30
28
24
20
16
26
22
18
14
12
10
140
40
80 120 160
T
A
= 25°C
V
S
= ±5V
V
S
= ±2.5V
V
S
= ±1.5V
SOURCE RESISTANCE (Ω)
1
TOTAL NOISE (nV/√Hz)
10
10 1k 10k 100k
62367 G15
0.1
100
100
V
S
= ±2.5V
V
CM
= 0V
f = 100kHz
UNBALANCED
SOURCE
RESISTORS
TOTAL NOISE
RESISTOR NOISE
AMPLIFIER NOISE VOLTAGE
FREQUENCY (Hz)
10
0
BALANCED CURRENT NOISE (pA/√Hz)
6
7
8
V
S
= ±2.5V
V
CM
= 0V
100 1k 10k 100k 1M 10M
62367 G56
5
4
3
2
1
125°C
85°C
25°C
–40°C
FREQUENCY (Hz)
10
0
UNBALANCED CURRENT NOISE (pA/√Hz)
6
7
8
V
S
= ±2.5V
V
CM
= 0V
100 1k 10k 100k 1M 10M
62367 G57
5
4
3
2
1
125°C
85°C
25°C
–40°C
FREQUENCY (Hz)
10
0
INPUT VOLTAGE NOISE DENSITY (nV/√Hz)
6
7
8
V
S
= ±2.5V
V
CM
= 0V
100 1k 10k 100k 1M 10M 100M
62367 G58
5
4
3
2
1
125°C
85°C
25°C
–40°C