LTC1992 Family
12
1992fb
TYPICAL PERFORMANCE CHARACTERISTICS
Differential Input Offset Voltage
vs Input Common Mode Voltage
Differential Input Offset Voltage
vs Input Common Mode Voltage
Differential Input Offset Voltage
vs Input Common Mode Voltage
Differential Gain Error
vs Temperature V
OCM
Gain vs Frequency
Differential Input Differential
Gain vs Frequency, V
S
= ±2.5V
Single-Ended Input Differential
Gain vs Frequency, V
S
= ±2.5V
Differential Phase Response
vs Frequency
Applicable to the LTC1992-1 only.
FREQUENCY (kHz)
10
–24
GAIN (dB)
–18
–12
–6
0
100 1000 10000
1992 G38
–30
–36
–42
–66
–60
–54
–48
6
12
C
LOAD
= 10000pF
C
LOAD
= 5000pF
C
LOAD
= 1000pF
C
LOAD
= 500pF
C
LOAD
= 100pF
C
LOAD
= 50pF
C
LOAD
= 10pF
FREQUENCY (kHz)
10
–24
GAIN (dB)
–18
–12
–6
0
100 1000 10000
1992 G39
–30
–36
–42
–66
–60
–54
–48
6
12
C
LOAD
= 10000pF
C
LOAD
= 5000pF
C
LOAD
= 1000pF
C
LOAD
= 500pF
C
LOAD
= 100pF
C
LOAD
= 50pF
C
LOAD
= 10pF
FREQUENCY (kHz)
10
PHASE (DEG)
0
–20
–40
–60
–80
–100
–120
–140
–160
–180
100 1000
1992 G40
C
LOAD
=
10pF
50pF
100pF
500pF
1000pF
5000pF
10000pF
TEMPERATURE (°C)
–50
GAIN ERROR (%)
0.025
0.020
0.015
0.010
0.005
0
–0.005
–0.010
–0.015
–0.020
–0.025
0
50
75
1992 G41
–25
25
100
125
FREQUENCY (kHz)
10
–15
GAIN (dB)
–5
5
100 1000 10000
1992 G42
–25
–20
–10
0
–30
–35
C
LOAD
= 10pF TO 10000pF
COMMON MODE VOLTAGE (V)
0
DIFFERENTIAL V
OS
(mV)
1922 G43
0.3
0.6
0.9 1.2 1.5 1.8 2.1 2.4 2.7
5
4
3
2
1
0
–1
–2
–3
–4
–5
125°C
–40°C
85°C
25°C
+V
S
= 2.7V
–V
S
= 0V
V
OCM
= 1.35V
COMMON MODE VOLTAGE (V)
0
1922 G44
0.5
1.0
1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
125°C
–40°C
85°C
25°C
DIFFERENTIAL V
OS
(mV)
5
4
3
2
1
0
–1
–2
–3
–4
–5
+V
S
= 5V
–V
S
= 0V
V
OCM
= 2.5V
COMMON MODE VOLTAGE (V)
–5
1922 G45
–4
–3
–2 –1 0 1 2 3 4 5
125°C
–40°C
85°C
25°C
DIFFERENTIAL V
OS
(mV)
5
4
3
2
1
0
–1
–2
–3
–4
–5
+V
S
= 5V
–V
S
= –5V
V
OCM
= 0V
