Datasheet

LTC1992 Family
19
1992fb
TYPICAL PERFORMANCE CHARACTERISTICS
Applicable to the LTC1992-5 only.
Single-Ended Input Large-Signal
Step Response
Single-Ended Input Large-Signal
Step Response
Power Supply Rejection Ratio
vs Frequency (Note 7)
Differential Input Small-Signal
Step Response
Differential Input Small-Signal
Step Response Output Balance vs Frequency
Differential Input Large-Signal
Step Response
Differential Input Large-Signal
Step Response
Common Mode Rejection Ratio
vs Frequency (Note 7)
2μs/DIV
V
OUTDIFF
(1V/DIV)
1992 G90
+V
S
= 2.5V
–V
S
= –2.5V
V
OCM
= 0V
+V
IN
= ± 300mV
–V
IN
= 300mV
C
LOAD
= 0pF
0V
±
20μs/DIV
1992 G91
+V
S
= 2.5V
–V
S
= –2.5V
V
OCM
= 0V
+V
IN
= ± 300mV
–V
IN
= 300mV
C
LOAD
= 10000pF
C
LOAD
= 1000pF
V
OUTDIFF
(1V/DIV)
0V
±
FREQUENCY (Hz)
30
CMRR (dB)
90
100
20
10
80
50
70
60
40
100 10k 100k 1M
1992 G92
0
1k
ΔV
AMPCM
ΔV
AMPDIFF
2μs/DIV
V
OUTDIFF
(1V/DIV)
1992 G93
+V
S
= 5V
–V
S
= 0V
V
OCM
= 2.5V
+V
IN
= 0V TO 800mV
–V
IN
= 400mV
C
LOAD
= 0pF
2.5V
20μs/DIV
1992 G94
+V
S
= 5V
–V
S
= 0V
V
OCM
= 2.5V
+V
IN
= 0V TO 800mV
–V
IN
= 400mV
C
LOAD
= 10000pF
C
LOAD
= 1000pF
V
OUTDIFF
(1V/DIV)
2.5V
FREQUENCY (Hz)
10
40
PSRR (dB)
50
60
70
80
100 10k 100k1k 1M
1992 G95
30
20
10
0
90
100
+V
S
–V
S
ΔV
S
ΔV
AMPDIFF
5μs/DIV
V
OUTDIFF
(50mV/DIV)
1992 G96
+V
S
= 2.5V
–V
S
= –2.5V
V
OCM
= 0V
+V
IN
= ±10mV
–V
IN
= 10mV
C
LOAD
= 0pF
0V
±
50μs/DIV
V
OUTDIFF
(50mV/DIV)
1992 G97
+V
S
= 2.5V
–V
S
= –2.5V
V
OCM
= 0V
+V
IN
= ±10mV
–V
IN
= 10mV
C
LOAD
= 10000pF
C
LOAD
= 1000pF
0V
±
FREQUENCY (Hz)
110
–40
OUTPUT BALANCE (dB)
–60
–80
100 1k 10k 100k 1M
1992 G98
–20
0
–100
ΔV
OUTCM
ΔV
OUTDIFF