Datasheet

LTC1992 Family
17
1992fb
TYPICAL PERFORMANCE CHARACTERISTICS
Single-Ended Input Small-Signal
Step Response
Single-Ended Input Small-Signal
Step Response
Differential Noise Voltage Density
vs Frequency
THD + Noise vs Frequency THD + Noise vs Amplitude
Applicable to the LTC1992-2 only.
2μs/DIV
V
OUTDIFF
(50mV/DIV)
1992 G77
+V
S
= 5V
–V
S
= 0V
V
OCM
= 2.5V
+V
IN
= 0V TO 100mV
–V
IN
= 50mV
C
LOAD
= 0pF
2.5V
20μs/DIV
V
OUTDIFF
(50mV/DIV)
1992 G78
+V
S
= 5V
–V
S
= 0V
V
OCM
= 2.5V
+V
IN
= 0V TO 100mV
–V
IN
= 50mV
C
LOAD
= 10000pF
C
LOAD
= 1000pF
2.5V
FREQUENCY (Hz)
100 1000 10000
1922 G79
10
INPUT REFERRED NOISE (nV√Hz)
1000
100
10
FREQUENCY (Hz)
100
–100
THD + NOISE (dB)
–60
–50
–40
1k 10k 50k
1992 G80
–70
–80
–90
V
OUT
= 1V
P-PDIFF
V
OUT
= 2V
P-PDIFF
V
OUT
= 10V
P-PDIFF
V
OUT
= 5V
P-PDIFF
INPUT SIGNAL AMPLITUDE (V
P-PDIFF
)
0.1
–100
THD + NOISE (dB)
–90
–80
–70
–60
–40
110
1992 G81
–50
500kHz MEASUREMENT BANDWIDTH
+V
S
= 5V
–V
S
= –5V
V
OCM
= 0V
50kHz
20kHz
10kHz
5kHz
2kHz
1kHz