LT1498/LT1499
14989fg
7
ELECTRICAL CHARACTERISTICS The l denotes the specications which apply over the temperature range
–55°C < TA < 125°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+ – 0.5V
VCM = V– + 0.5V
l
300
1100
μV
VOS TC
Input Offset Voltage Drift (Note 3)
VCM = V+ – 0.5V
l
0.5
1.5
μV/°C
ΔVOS
Input Offset Voltage Shift
VCM = V– + 0.5V to V+ – 0.5V
l
250
2300
μV
Input Offset Voltage Match (Channel-to-Channel) VCM = V– + 0.5V, V+ – 0.5V (Note 5)
l
300
1900
μV
IB
Input Bias Current
VCM = V+ – 0.5V
VCM = V– + 0.5V
l
0
–1100
450
–450
1100
0
nA
ΔIB
Input Bias Current Shift
VCM = V– + 0.5V to V+ – 0.5V
l
900
2200
nA
Input Bias Current Match (Channel-to-Channel)
VCM = V+ – 0.5V (Note 5)
VCM = V– + 0.5V (Note 5)
l
0
–400
40
–40
400
0
nA
IOS
Input Offset Current
VCM = V+ – 0.5V
VCM = V– + 0.5V
l
40
300
nA
ΔIOS
Input Offset Current Shift
VCM = V– + 0.5V to V+ – 0.5V
l
80
600
nA
AVOL
Large-Signal Voltage Gain
VS = 5V, VO = 0.5V to 4.5V, RL = 10k
VS = 3V, VO = 0.5V to 2.5V, RL = 10k
l
40
20
210
V/mV
CMRR
Common Mode Rejection Ratio
VS = 5V, VCM = V– + 0.5V to V+ – 0.5V
VS = 3V, VCM = V– + 0.5V to V+ – 0.5V
l
66
62
80
75
dB
CMRR Match (Channel-to-Channel) (Note 5)
VS = 5V, VCM = V– + 0.5V to V+ – 0.5V
VS = 3V, VCM = V– + 0.5V to V+ – 0.5V
l
62
58
80
75
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
22
45
110
50
80
220
mV
VOH
Output Voltage Swing (High) (Note 6)
No Load
ISOURCE = 0.5mA
ISOURCE = 2.5mA
l
3.5
60
170
20
120
350
mV
ISC
Short-Circuit Current
VS = 5V
VS = 3V
l
±5
±15
mA
IS
Supply Current per Amplier
l
2.4
3.0
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
2.0
1.7
3.6
3.2
V/μs