Datasheet

LT6230/LT6230-10
LT6231/LT6232
12
623012fc
Typical perForMance characTerisTics
Open-Loop Gain vs Frequency
Gain Bandwidth and Phase
Margin vs Supply Voltage Slew Rate vs Temperature
Output Impedance vs Frequency
Common Mode Rejection Ratio
vs Frequency Channel Separation vs Frequency
Noise Voltage and Unbalanced
Noise Current vs Frequency
0.1Hz to 10Hz Output Voltage
Noise
Gain Bandwidth and Phase
Margin vs Temperature
(LT6230/LT6231/LT6232)
FREQUENCY (Hz)
NOISE VOLTAGE (nV/√Hz)
6
5
4
3
2
1
0
10 1k 10k 100k
623012 G16
100
V
S
= ±2.5V
T
A
= 25°C
V
CM
= 0V
NOISE VOLTAGE
NOISE CURRENT
UNBALANCED NOISE CURRENT (pA/√Hz)
6
5
4
3
2
1
0
5s/DIV
623012 G17
100nV
100nV/DIV
–100nV
V
S
= ±2.5V
TEMPERATURE (°C)
–55
GAIN BANDWIDTH (MHz)
5
623012 G18
–25 35
240
220
200
180
140
160
PHASE MARGIN (DEG)
70
60
50
40
65 95 125
V
S
= ±5V
V
S
= 3V, 0V
V
S
= ±5V
V
S
= 3V, 0V
PHASE MARGIN
GAIN BANDWIDTH
C
L
= 5pF
R
L
= 1k
V
CM
= V
S
/2
FREQUENCY (Hz)
GAIN (dB)
80
70
50
30
0
–10
60
40
10
20
–20
PHASE (dB)
120
100
60
20
–60
80
40
–20
–40
0
–80
100k 10M 100M 1G
623012 G19
1M
C
L
= 5pF
R
L
= 1k
V
CM
= V
S
/2
PHASE
GAIN
V
S
= ±5V
V
S
= 3V, 0V
V
S
= ±5V
V
S
= 3V, 0V
TOTAL SUPPLY VOLTAGE (V)
0
GAIN BANDWIDTH (MHz)
6
623012 G20
2 4 8
220
240
200
180
140
160
PHASE MARGIN (DEG)
70
60
50
40
10 12 14
PHASE MARGIN
GAIN BANDWIDTH
T
A
= 25°C
C
L
= 5pF
R
L
= 1k
TEMPERATURE (°C)
–55
SLEW RATE (V/µs)
5
623012 G21
–35 –15 45
90
100
110
120
80
70
50
20
30
60
40
8525 65 105 125
V
S
= ±5V FALLING
V
S
= ±2.5V RISING
A
V
= –1
R
F
= R
G
= 1k
V
S
= ±5V RISING
V
S
= ±2.5V FALLING
FREQUENCY (Hz)
1
OUTPUT IMPEDANCE (Ω)
10
100k 10M 100M
623012 G22
0.01
0.1
1M
1k
100
V
S
= 5V, 0V
A
V
= 10
A
V
= 1
A
V
= 2
FREQUENCY (Hz)
20
COMMON MODE REJECTION RATIO (dB)
40
60
80
120
100
10k 100M100k 1G10M
623012 G23
0
1M
V
S
= 5V, 0V
V
CM
= V
S
/2
FREQUENCY (Hz)
100k
CHANNEL SEPARATION (dB)
–40
–50
–60
–70
–80
–90
–100
–110
–120
–130
–140
1M 10M 100M
623012 G24
A
V
= 1
T
A
= 25°C
V
S
= ±5V