Datasheet

LTC6362
8
6362fa
TYPICAL PERFORMANCE CHARACTERISTICS
Harmonic Distortion vs Input
Common Mode Voltage
Harmonic Distortion vs Output
Amplitude
Harmonic Distortion vs Frequency
Settling Time to 8V
P-P
Output Step DC LinearitySettling Time vs Output Step
DIFFERENTIAL OUTPUT STEP (V
P-P
)
2
0
SETTLING TIME (ns)
100
200
300
700
500
3
4
7
600
400
5
6
8
18-BIT
V
S
= 5V, 0V
R
I
= R
F
= 1k
6362 G21
16-BIT
0.5µs/DIV
DIFFERENTIAL OUTPUT VOLTAGE (V)
ERROR (µV) 1 DIV = 18-BIT ERROR
1
3
5
6362 G22
–1
–3
0
2
4
–2
–4
–5
30
90
150
–30
–90
0
60
120
–60
–120
–150
V
S
= 5V, 0V
R
I
= R
F
= 1k
ERROR
V
OUTDIFF
V
INDIFF
(V)
–5
DIFFERENTIAL OUTPUT ERROR
FROM LINEAR FIT (µV)
20
60
100
3
6362 G23
–20
–60
0
40
80
–40
–80
–100
–3–4
–1–2
1 2 4
0
5
V
S
= ±2.5V
V
ICM
= V
OCM
= 0V
R
I
= R
F
= 1k
NO LOAD
LINEAR FIT FOR –4V < V
INDIFF
< 4V
FREQUENCY (kHz)
1
–130
DISTORTION (dBc)
–120
–110
–100
–90
–70
10 100
HD3
HD2
6362 G24
–80
V
S
= 5V, 0V
V
OCM
= 2.5V
R
I
= R
F
= 1k
V
OUTDIFF
= 8V
P-P
SINGLE-ENDED INPUT,
GROUND REFERENCED
INPUT COMMON MODE VOLTAGE (V)
0
–140
DISTORTION (dBc)
–130
–120
–110
–70
–90
1
2
–80
–100
3
4
5
6362 G25
V
S
= 5V, 0V
V
OCM
= 2.5V
R
I
= R
F
= 1k
V
OUTDIFF
= 8V
P-P
f
IN
= 2kHz
DIFFERENTIAL INPUTS
HD3
HD2
V
OUTDIFF
(V
P-P
)
0
DISTORTION (dBc)
–100
–90
–80
8
6362 G26
–110
–120
–130
2
4
6
10
V
S
= 5V, 0V
V
OCM
= 2.5V
R
I
= R
F
= 1k
f
IN
= 2kHz
SINGLE-ENDED INPUT,
GROUND REFERENCED
HD3
HD2
Frequency Response
vs Closed-Loop Gain
Frequency Peaking
vs Load Capacitance
FREQUENCY (Hz)
0
GAIN (dB)
20
30
50
60
100k 10M 100M 1G
6362 G19
–20
1M
40
10
–10
A
V
= 1, R
I
= 1k, R
F
= 1k
A
V
= 2, R
I
= 500Ω, R
F
= 1k
A
V
= 5, R
I
= 400Ω, R
F
= 2k
A
V
= 10, R
I
= 200Ω, R
F
= 2k
A
V
= 20, R
I
= 100Ω, R
F
= 2k
A
V
= 100, R
I
= 20Ω, R
F
= 2k
V
S
= ±2.5V
V
ICM
= V
OCM
= 0V
R
LOAD
= 1k
CAPACITIVE LOAD (pF)
10
1.00
FREQUENCY PEAKING (dB)
1.50
2.00
100 1000 10000
6362 G20
0.50
0.75
1.25
1.75
0.25
0
V
S
= ±2.5V
V
ICM
= 0V
V
OCM
= 0V
R
I
= R
F
= 1k
R
LOAD
= 1k
CAPACITOR VALUES ARE
FROM EACH OUTPUT TO
GROUND THROUGH 35Ω
SERIES RESISTANCE