LT1498/LT1499
14989fg
4
ELECTRICAL CHARACTERISTICS The l denotes the specications which apply over the temperature range
0°C < TA < 70°C. VS = 5V, 0V; VS = 3V, 0V; VCM = VOUT = half supply, unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VOS
Input Offset Voltage
VCM = V+
VCM = V– + 0.1V
l
175
650
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
170
600
μV
Input Offset Voltage Match (Channel-to-Channel) VCM = V– + 0.1V, V+ (Note 5)
l
200
900
μV
IB
Input Bias Current
VCM = V+
VCM = V– + 0.1V
l
0
–780
275
–275
780
0
nA
ΔIB
Input Bias Current Shift
VCM = V– + 0.1V to V+
l
550
1560
nA
Input Bias Current Match (Channel-to-Channel)
VCM = V+ (Note 5)
VCM = V– + 0.1V (Note 5)
l
0
–170
15
–15
170
0
nA
IOS
Input Offset Current
VCM = V+
VCM = V– + 0.1V
l
10
85
nA
ΔIOS
Input Offset Current Shift
VCM = V– + 0.1V to V+
l
20
170
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
500
400
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
78
73
89
85
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
74
69
90
86
dB
PSRR
Power Supply Rejection Ratio
VS = 2.3V to 12V, VCM = VO = 0.5V
l
86
102
dB
PSRR Match (Channel-to-Channel) (Note 5)
VS = 2.3V to 12V, VCM = VO = 0.5V
l
80
102
dB
VOL
Output Voltage Swing (Low) (Note 6)
No Load
ISINK = 0.5mA
ISINK = 2.5mA
l
17
40
110
35
80
220
mV
VOH
Output Voltage Swing (High) (Note 6)
No Load
ISOURCE = 0.5mA
ISOURCE = 2.5mA
l
3.5
55
160
15
120
300
mV
ISC
Short-Circuit Current
VS = 5V
VS = 3V
l
±12
±10
±23
±20
mA
IS
Supply Current per Amplier
l
1.9
2.6
mA
GBW
Gain-Bandwidth Product (Note 7)
l
6.1
9
MHz
SR
Slew Rate (Note 8)
VS = 5V, AV = –1, RL = Open, VO = 4V
VS = 3V, AV = –1, RL = Open
l
2.5
2.2
4.0
3.5
V/μs