LTC1992 Family
16
1992fb
TYPICAL PERFORMANCE CHARACTERISTICS Applicable to the LTC1992-2 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
1992 G68
+VS = 2.5V
–VS = –2.5V
VOCM = 0V
+VIN = ±750mV
–VIN = 750mV
CLOAD = 0pF
V
OUTDIFF
(1V
/DIV)
0V
±
20μs/DIV
1992 G69
+VS = 2.5V
–VS = –2.5V
VOCM = 0V
+VIN = ±750mV
–VIN = 750mV
CLOAD = 10000pF
CLOAD = 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 G70
0
1k
ΔVAMPCM
ΔVAMPDIFF
2μs/DIV
1992 G71
+VS = 5V
–VS = 0V
VOCM = 2.5V
+VIN = 0V TO 2V
–VIN = 1V
CLOAD = 0pF
V
OUTDIFF
(1V
/DIV)
2.5V
20μs/DIV
V
OUTDIFF
(1V
/DIV)
1992 G72
+VS = 5V
–VS = 0V
VOCM = 2.5V
+VIN = 0V TO 2V
–VIN = 1V
CLOAD = 10000pF
CLOAD = 1000pF
2.5V
FREQUENCY (Hz)
10
40
PSRR
(dB)
50
60
70
80
100
1k
10k
100k
1M
1992 G73
30
20
10
0
90
100
–VS
+VS
ΔVS
ΔVAMPDIFF
2μs/DIV
V
OUTDIFF
(50mV/DIV)
1992 G74
+VS = 2.5V
–VS = –2.5V
VOCM = 0V
+VIN = ±25mV
–VIN = 25mV
CLOAD = 0pF
0V
±
20μs/DIV
V
OUTDIFF
(50mV
/DIV)
1992 G75
+VS = 2.5V
–VS = –2.5V
VOCM = 0V
+VIN = ±25mV
–VIN = 25mV
CLOAD = 10000pF
CLOAD = 1000pF
0V
±
FREQUENCY (Hz)
110
–40
OUTPUT
BALANCE
(dB)
–60
–80
100
1k
10k
100k
1M
1992 G76
–20
0
–100
ΔVOUTCM
ΔVOUTDIFF