LTC1992 Family
15
1992fb
TYPICAL PERFORMANCE CHARACTERISTICS
Differential Gain Error
vs Temperature
VOCM Gain vs Frequency,
VS = ±2.5V
Differential Input Offset Voltage
vs Input Common Mode Voltage
(Note 7)
Differential Input Offset Voltage
vs Input Common Mode Voltage
(Note 7)
Differential Input Offset Voltage
vs Input Common Mode Voltage
(Note 7)
Differential Input Differential
Gain vs Frequency, VS = ±2.5V
Single-Ended Input Differential
Gain vs Frequency, VS = ±2.5V
Differential Phase Response
vs Frequency
Applicable to the LTC1992-2 only.
FREQUENCY (kHz)
10
–24
GAIN
(dB)
–18
–12
–6
0
100
1000
10000
1992 G60
–30
–36
–42
–66
–60
–54
–48
6
18
12
CLOAD = 10000pF
CLOAD = 5000pF
CLOAD = 1000pF
CLOAD = 500pF
CLOAD = 100pF
CLOAD = 50pF
CLOAD = 10pF
FREQUENCY (kHz)
10
–24
GAIN
(dB)
–18
–12
–6
0
100
1000
10000
1992 G61
–30
–36
–42
–66
–60
–54
–48
6
18
12
CLOAD = 10000pF
CLOAD = 5000pF
CLOAD = 1000pF
CLOAD = 500pF
CLOAD = 100pF
CLOAD = 50pF
CLOAD = 10pF
FREQUENCY (kHz)
10
PHASE
(DEG)
0
–20
–40
–60
–80
–100
–120
–140
–160
–180
100
1000
1992 G62
CLOAD =
10pF
50pF
100pF
500pF
1000pF
5000pF
10000pF
TEMPERATURE (°C)
–50
GAIN
ERROR
(%)
0.05
0.04
0.03
0.02
0.01
0
–0.01
–0.02
–0.03
–0.04
–0.05
0
50
75
1992 G63
–25
25
100
125
FREQUENCY (kHz)
10
–10
GAIN
–5
0
5
100
1000
10000
1992 G64
–15
–20
–25
–30
CLOAD = 10pF TO 10000pF
COMMON MODE VOLTAGE (V)
0
DIFFERENTIAL
V
OS
(mV)
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
4.0
1992 G66
1.0
2.0
3.0
5.0
3.5
0.5
1.5
2.5
4.5
–40°C
125°C
25°C
85°C
+VS = 5V
–VS = 0V
VOCM = 2.5V
COMMON MODE VOLTAGE (V)
0
DIFFERENTIAL
V
OS
(mV)
0
0.5
1.0
2.4
1992 G65
–0.5
–1.0
–2.0
0.6
1.2
1.8
0.3
2.7
0.9
1.5
2.1
–1.5
1.5
2.0
+VS = 2.7V
–VS = 0V
VOCM = 1.35V
–40°C
25°C
125°C
85°C
COMMON MODE VOLTAGE (V)
–5
DIFFERENTIAL
V
OS
(mV)
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
3
1992 G67
–3
–1
1
5
2
–4
–2
0
4
–40°C
125°C
25°C
+VS = 5V
–VS = –5V
VOCM = 0V
85°C