LT1990 Linear Technology, LT1990 Datasheet - Page 3

• Manufacturer Part Number: LT1990
• Description: Difference Amplifier
• Manufacturer: Linear Technology

3V/5V ELECTRICAL CHARACTERISTICS
V
SYMBOL
R
PSRR
I
V
V
I
BW
SR
The
V
SYMBOL
∆G
G/T
V
CMRR
V
AV
S
SC
S
IN
OL
OH
CM
CM
OS
= 3V, 0V; V
REF
●
= V
denotes the specifications which apply over the temperature range of 0
REF
= half supply, G = 1, 10, unless otherwise noted. (Notes 4, 6)
PARAMETER
Input Resistance
Power Supply Rejection Ratio, RTI
Minimum Supply Voltage
Supply Current
Output Voltage Swing LOW
Output Voltage Swing HIGH
Output Short-Circuit Current
Bandwidth (–3dB)
Slew Rate
Settling Time to 0.01%
Reference Gain to Output
PARAMETER
Gain Error
Gain vs Temperature
Input Voltage Range
Common Mode Rejection Ratio, RTI
Input Offset Voltage, RTI
S
= 5V, 0V; R
L
= 10k, V
CM
= V
REF
= half supply, G = 1, 10, T
CONDITIONS
Differential
Common Mode
V
Guaranteed by PSRR
(Note 8)
–IN = V
–IN = 0V, +IN = Half Supply
V
V
Short to GND (Note 9)
Short to V
G = 1
G = 10
G = 1, V
4V Step, G = 1, V
CONDITIONS
V
LT1990, G = 1
LT1990A, G = 1
G = 10
G = 1 (Note 10)
G = 10 (Note 10)
Guaranteed by CMRR
V
V
V
V
V
LT1990
LT1990A
V
V
LT1990
LT1990A
V
V
LT1990
LT1990A
V
G = 1, 10
V
G = 1, 10
S
S
S
OUT
S
S
S
S
CM
S
CM
S
CM
S
S
= 2.7V to 12.7V, V
= 3V, 0V, Below V
= 5V, 0V, Below V
= 3V, 0V, V
= 5V, 0V, V
= 5V, 0V, V
= 3V, 0V (Note 7)
= 5V, 0V
= 5V, 0V (Note 7)
= 3V, 0V
= 5V, 0V
= –5V to 25V, V
= –5V to 80V, V
= –38V to 47V, V
= 0.5V to (+V
+
S
, +IN = Half Supply (Note 8)
= 5V, 0V, V
+
(Note 9)
REF
REF
REF
S
= 1.25V
= 1.25V
= 2.5V
= 5V, 0V
S
) – 0.75V
REF
REF
OUT
+
+
CM
REF
= 1.25V
= 1.25V
= V
= 0.5V to 4.5V
= 2.5V
A
REF
= 25°C, unless otherwise noted. (Note 6)
= 1.25V
°
C
≤
T
A
≤
70
°
C. V
S
= 3V, 0V; V
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
MIN
80
13
MIN
–37
4
–5
–5
58
68
58
68
58
68
S
= 5V, 0V; R
1 ± 0.0007
TYP
105
100
120
100
TYP
0.5
2.4
6.5
0.5
92
30
20
45
2
8
2
7
LT1990
L
MAX
MAX
0.65
0.33
0.90
120
150
175
2.7
= 10k,
4.1
4.1
50
10
20
25
80
48
ppm/°C
ppm/°C
UNITS
UNITS
3
1990f
V/µs
MΩ
MΩ
kHz
kHz
mV
mV
mV
mA
mA
mV
mV
dB
µA
dB
dB
dB
dB
dB
dB
µs
%
%
%
V
V
V
V