Datasheet

LT6233/LT6233-10
LT6234/LT6235
12
623345fc
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
(LT6233/LT6234/LT6235)
FREQUENCY (Hz)
NOISE VOLTAGE (nV/√Hz)
6
5
4
3
2
1
0
10 1k 10k 100k
623345 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
623345 G17
100nV
100nV/DIV
–100nV
V
S
= ±2.5V
TEMPERATURE (°C)
–55
GAIN BANDWIDTH (MHz)
5
623345 G18
–25 35
90
80
70
60
40
50
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 (DEG)
120
100
60
20
–60
80
40
–20
–40
0
–80
100k 10M 100M 1G
623345 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
623345 G20
2 4 8
70
60
50
30
40
PHASE MARGIN (DEG)
80
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
623345 G21
–35 –15 45
20
22
24
26
18
16
14
10
12
8525 65 105 125
V
S
= ±5V FALLING
V
S
= ±2.5V RISING
A
V
= –1
R
F
= R
G
= 1k
V
S
= ±2.5V FALLING
V
S
= ±5V RISING
FREQUENCY (Hz)
1
OUTPUT IMPEDANCE (Ω)
10
100k 10M 100M
623345 G22
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
623345 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
623345 G24
A
V
= 1
T
A
= 25°C
V
S
= ±5V