Datasheet

LT1818/LT1819
3
18189fb
ELECTRICAL CHARACTERISTICS
The l denotes the specifi cations which apply over the full operating
temperature range, otherwise specifi cations are at T
A
= 25°C. (Note 9) V
S
= ±5V, V
CM
= 0V, unless otherwise noted.
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
OS
Input Offset Voltage (Note 4)
T
A
= 0°C to 70°C
T
A
= –40°C to 85°C
l
l
0.2 1.5
2.0
3.0
mV
mV
mV
ΔV
OS
/ΔT
Input Offset Voltage Drift T
A
= 0°C to 70°C (Note 7)
T
A
= –40°C to 85°C (Note 7)
l
l
10
10
15
30
μV/°C
μV/°C
I
OS
Input Offset Current
T
A
= 0°C to 70°C
T
A
= –40°C to 85°C
l
l
60 800
1000
1200
nA
nA
nA
I
B
Input Bias Current
T
A
= 0°C to 70°C
T
A
= –40°C to 85°C
l
l
–2 ±8
±10
±12
μA
μA
μA
e
n
Input Noise Voltage Density f = 10kHz 6 nV/√Hz
i
n
Input Noise Current Density f = 10kHz 1.2 pA/√Hz
R
IN
Input Resistance V
CM
= V
–
+ 1.5V to V
+
– 1.5V
Differential
1.5 5
750
MΩ
kΩ
C
IN
Input Capacitance 1.5 pF
V
CM
Input Voltage Range
(Positive/Negative)
Guaranteed by CMRR
T
A
= –40°C to 85°C
l
±3.5
±3.5
±4.2 V
V
CMRR Common Mode Rejection Ratio V
CM
= ±3.5V
T
A
= 0°C to 70°C
T
A
= –40°C to 85°C
l
l
75
73
72
85 dB
dB
dB
Minimum Supply Voltage Guaranteed by PSRR
T
A
= –40°C to 85°C
l
±1.25 ±2
±2
V
V
PSRR Power Supply Rejection Ratio V
S
= ±2V to ±5.5V
T
A
= 0°C to 70°C
T
A
= –40°C to 85°C
l
l
78
76
75
97 dB
dB
dB
A
VOL
Large-Signal Voltage Gain V
OUT
= ±3V, R
L
= 500Ω
T
A
= 0°C to 70°C
T
A
= –40°C to 85°C
l
l
1.5
1.0
0.6
2.5 V/mV
V/mV
V/mV
V
OUT
= ±3V, R
L
= 100Ω
T
A
= 0°C to 70°C
T
A
= –40°C to 85°C
l
l
1.0
0.7
0.6
6 V/mV
V/mV
V/mV
Channel Separation V
OUT
= ±3V, LT1819
T
A
= 0°C to 70°C
T
A
= –40°C to 85°C
l
l
82
81
80
100 dB
dB
dB
V
OUT
Output Swing (Positive/Negative) R
L
= 500Ω, 30mV Overdrive
T
A
= 0°C to 70°C
T
A
= –40°C to 85°C
l
l
±3.8
±3.7
±3.6
±4.1 V
V
V
R
L
= 100Ω, 30mV Overdrive
T
A
= 0°C to 70°C
T
A
= –40°C to 85°C
l
l
±3.50
±3.25
±3.15
±3.8 V
V
V
I
OUT
Output Current V
OUT
= ±3V, 30mV Overdrive
T
A
= 0°C to 70°C
T
A
= –40°C to 85°C
l
l
±40
±35
±30
±70 mA
mA
mA
I
SC
Output Short-Circuit Current V
OUT
= 0V, 1V Overdrive (Note 3)
T
A
= 0°C to 70°C
T
A
= –40°C to 85°C
l
l
±100
±90
±70
±200 mA
mA
mA
SR Slew Rate A
V
= 1 2500 V/μs
A
V
= –1 (Note 5)
TA = 0°C to 70°C
TA = –40°C to 85°C
l
l
900
750
600
1800 V/μs
V/μs
V/μs
FPBW Full-Power Bandwidth 6V
P-P
(Note 6) 95 MHz