Datasheet

LTC1992 Family
8
1992fb
TYPICAL PERFORMANCE CHARACTERISTICS
Differential Gain vs Time
(Normalized to t = 0)
Input Common Mode Overdrive
Recovery (Expanded View)
Input Common Mode Overdrive
Recovery (Detailed View)
Output Overdrive Recovery
(Expanded View)
Output Overdrive Recovery
(Detailed View)
Output Voltage Swing
vs Output Load, V
S
= ±5V
V
OCM
Input Bias Current
vs V
OCM
Voltage
Differential Input Offset Voltage
vs Time (Normalized to t = 0)
Applicable to all parts in the LTC1992 family.
LOAD CURRENT (mA)
–20
4.4
+SWING (V)
–SWING (V)
4.5
4.6
4.7
4.8
–10 0
10
20–15 –5
5
15
1992 G09
4.9
5.0
–5.0
–4.8
–4.6
–4.4
–4.2
–4.0
–3.8
–40°C
–40°C
125°C
125°C
85°C
25°C
85°C
25°C
V
OCM
VOLTAGE (V)
0 0.5 1
V
OCM
INPUT BIAS CURRENT (A)
1.5 2 2.5 3 3.5 4 4.5 5
1992 G10
100E-15
10E-9
1E-9
100E-12
10E-12
1E-12
+V
S
= 5V
–V
S
= 0V
V
INCM
= 2.5V
125°C
85°C
25°C
–40°C
TIME (HOURS)
100
80
60
40
20
0
–20
–40
–60
–80
–100
DELTA V
OS
(μV)
1992 G11
0 400
800
1200 1600 2000
TEMP = 35°C
TIME (HOURS)
10
8
6
4
2
0
–2
–4
–6
–8
–10
DELTA GAIN (ppm)
1992 G12
0 400
800
1200 1600 2000
TEMP = 35°C
50μs/DIV
1V/DIV
1992 G13
BOTH INPUTS
(INPUTS TIED
TOGETHER)
OUTPUTS
+V
S
= 2.5V
–V
S
= –2.5V
V
OCM
= 0V
LTC1992-10 SHOWN
FOR REFERENCE
1μs/DIV
1V/DIV
1992 G14
BOTH INPUTS
(INPUTS TIED TOGETHER)
OUTPUTS
+V
S
= 2.5V
–V
S
= –2.5V
V
OCM
= 0V
LTC1992-10 SHOWN
FOR REFERENCE
50μs/DIV
1V/DIV
1992 G15
+V
S
= 2.5V, –V
S
= –2.5V, V
OCM
= 0V
OUTPUTSINPUTS
LTC1992-2 SHOWN FOR REFERENCE
5μs/DIV
1V/DIV
1992 G16
INPUTS OUTPUTS
+V
S
= 2.5V
–V
S
= –2.5V
V
OCM
= 0V
LTC1992-2 SHOWN
FOR REFERENCE