LT1498/LT1499
14989fg
5
ELECTRICAL CHARACTERISTICS The l denotes the specications which apply over the temperature range
–40°C < TA < 85°C. VS = 5V, 0V; VS = 3V, 0V; VCM = VOUT = half supply, unless otherwise noted. (Note 4)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VOS
Input Offset Voltage
VCM = V+
VCM = V– + 0.1V
l
250
750
μV
VOS TC
Input Offset Voltage Drift (Note 3)
VCM = V+
l
0.5
1.5
2.5
4.0
μV/°C
ΔVOS
Input Offset Voltage Shift
VCM = V– + 0.1V to V+
l
250
650
μV
Input Offset Voltage Match (Channel-to-Channel) VCM = V– + 0.1V, V+ (Note 5)
l
300
1500
μV
IB
Input Bias Current
VCM = V+
VCM = V– + 0.1V
l
0
–975
350
–350
975
0
nA
ΔIB
Input Bias Current Shift
VCM = V– + 0.1V to V+
l
700
1950
nA
Input Bias Current Match (Channel-to-Channel)
VCM = V+ (Note 5)
VCM = V– + 0.1V (Note 5)
l
0
–180
30
–30
180
0
nA
IOS
Input Offset Current
VCM = V+
VCM = V– + 0.1V
l
15
110
nA
ΔIOS
Input Offset Current Shift
VCM = V– + 0.1V to V+
l
30
220
nA
AVOL
Large-Signal Voltage Gain
VS = 5V, VO = 75mV to 4.8V, RL = 10k
VS = 3V, VO = 75mV to 2.8V, RL = 10k
l
400
300
2500
2000
V/mV
CMRR
Common Mode Rejection Ratio
VS = 5V, VCM = V– + 0.1V to V+
VS = 3V, VCM = V– + 0.1V to V+
l
77
73
86
81
dB
CMRR Match (Channel-to-Channel) (Note 5)
VS = 5V, VCM = V– + 0.1V to V+
VS = 3V, VCM = V– + 0.1V to V+
l
72
69
86
83
dB
PSRR
Power Supply Rejection Ratio
VS = 2.5V to 12V, VCM = VO = 0.5V
l
86
100
dB
PSRR Match (Channel-to-Channel) (Note 5)
VS = 2.5V to 12V, VCM = VO = 0.5V
l
80
100
dB
VOL
Output Voltage Swing (Low) (Note 6)
No Load
ISINK = 0.5mA
ISINK = 2.5mA
l
18
45
110
40
80
220
mV
VOH
Output Voltage Swing (High) (Note 6)
No Load
ISOURCE = 0.5mA
ISOURCE = 2.5mA
l
3.5
60
170
15
120
300
mV
ISC
Short-Circuit Current
VS = 5V
VS = 3V
l
±7.5
±15
mA
IS
Supply Current per Amplier
l
2.0
2.7
mA
GBW
Gain-Bandwidth Product (Note 7)
l
5.8
8.5
MHz
SR
Slew Rate (Note 8)
VS = 5V, AV = –1, RL = Open, VO = 4V
VS = 3V, AV = –1, RL = Open
l
2.2
1.9
3.6
3.2
V/μs