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ManualsBrandsLINEAR TECHNOLOGY ManualsLinear ICsLinear IC - Op-amp, differential amplifier Differential MSOP 8
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LTC1992 Family
15
1992fb
TYPICAL PERFORMANCE CHARACTERISTICS
Differential Gain Error
vs Temperature
V
OCM
Gain vs Frequency,
V
S
= ±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, V
S
= ±2.5V
Single-Ended Input Differential
Gain vs Frequency, V
S
= ±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
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 G61
–30
–36
–42
–66
–60
–54
–48
6
18
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 G62
C
LOAD
=
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 (dB)
–5
0
5
100 1000 10000
1992 G64
–15
–20
–25
–30
C
LOAD
= 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 5.03.50.5 1.5 2.5 4.5
–40°C
125°C
25°C
85°C
+V
S
= 5V
–V
S
= 0V
V
OCM
= 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
+V
S
= 2.7V
–V
S
= 0V
V
OCM
= 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 52–4 –2 0 4
–40°C
125°C
25°C
+V
S
= 5V
–V
S
= –5V
V
OCM
= 0V
85°C
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