Datasheet

LT6236/LT6237/LT6238
15
623637fa
For more information www.linear.com/LT6236
TYPICAL PERFORMANCE CHARACTERISTICS
Series Output Resistance and
Overshoot vs Capacitive Load
Series Output Resistance and
Overshoot vs Capacitive Load
Settling Time vs Output Step
(Noninverting)
18-Bit Settling Time to 2V
P-P
Output Step
18-Bit Settling Time to 4V
P-P
Output Step
Settling Time vs Output Step
(Inverting)
Maximum Undistorted Output
Signal vs Frequency
Maximum Undistorted Output
Signal vs Frequency
Maximum Undistorted Output
Signal vs Frequency
CAPACITIVE LOAD (pF)
10
OVERSHOOT (%)
50
45
40
35
30
25
20
15
10
5
0
100 1000
62367 G26
V
S
= 5V, 0V
A
V
= 1
R
S
= 10Ω
R
S
= 20Ω
R
S
= 50Ω
R
L
= 50Ω
CAPACITIVE LOAD (pF)
10
OVERSHOOT (%)
50
45
40
35
30
25
20
15
10
5
0
100 1000
62367 G27
V
S
= 5V, 0V
A
V
= 2
R
S
= 10Ω
R
S
= 20Ω
R
S
= 50Ω
R
L
= 50Ω
OUTPUT STEP (V)
–4
SETTLING TIME (ns)
0
62367 G28
–3 –2 –1 1
100
200
150
50
0
2 3 4
1mV
10mV
1mV
10mV
V
S
= ±5V
T
A
= 25°C
A
V
= 1
+
–
500Ω
V
OUT
V
IN
OUTPUT STEP (V)
–4
SETTLING TIME (ns)
0
62367 G29
–3 –2 –1 1
200
150
0
50
100
2 3 4
1mV
10mV
1mV
10mV
V
S
= ±5V
T
A
= 25°C
A
V
= –1
+
–
500Ω
500Ω
V
OUT
V
IN
FREQUENCY (Hz)
10k
OUTPUT VOLTAGE SWING (V
P-P
)
10
9
8
7
6
5
4
3
2
100k 1M 10M
62367 G30
V
S
= ±5V
T
A
= 25°C
HD2, HD3 < –40dBc
A
V
= –1
A
V
= 2
0.5µs/DIV
OUTPUT VOLTAGE (V)
2.0
1.5
1.0
0.5
0.0
62367 G27a
SETTLING RESIDUE (µV)
60
45
30
15
0
–15
–30
–45
–60
V
S
= ±2.5V
A
V
= 1
SETTLING RESIDUE
1 DIV = 18-BIT ERROR
V
OUT
0.5µs/DIV
OUTPUT VOLTAGE (V)
4
3
2
1
0
62367 G27b
SETTLING RESIDUE (µV)
60
45
30
15
0
–15
–30
–45
–60
SETTLING RESIDUE
1 DIV = 18-BIT ERROR
V
OUT
V
S
= ±5V
A
V
= 1
FREQUENCY (Hz)
3.0
OUTPUT VOLTAGE SWING (V
P-P
)
4.0
5.0
2.5
3.5
4.5
1k 100k 1M 10M
6237 G59
2.0
10k
125°C
85°C
25°C
–40°C
V
S
= ±2.5V
A
V
= –1
R
L
= 1k
HD2, HD3 < –40°C
FREQUENCY (Hz)
3.0
OUTPUT VOLTAGE SWING (V
P-P
)
4.0
5.0
2.5
3.5
4.5
1k 100k 1M 10M
6237 G60
2.0
10k
125°C
85°C
25°C
–40°C
V
S
= ±2.5V
A
V
= 2
R
L
= 1k
HD2, HD3 < –40°C