LT1498/LT1499
14989fg
3
ELECTRICAL CHARACTERISTICS T
A = 25°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–
150
475
μV
ΔVOS
Input Offset Voltage Shift
VCM = V– to V+
150
425
μV
Input Offset Voltage Match (Channel-to-Channel)
VCM = V+, V– (Note 5)
200
750
μV
IB
Input Bias Current
VCM = V+
VCM = V–
0
–650
250
–250
650
0
nA
ΔIB
Input Bias Current Shift
VCM = V– to V+
500
1300
nA
Input Bias Current Match (Channel-to-Channel)
VCM = V+ (Note 5)
VCM = V– (Note 5)
0
–100
10
–10
0
nA
IOS
Input Offset Current
VCM = V+
VCM = V–
5
65
nA
ΔIOS
Input Offset Current Shift
VCM = V– to V+
10
130
nA
Input Noise Voltage
0.1Hz to 10Hz
400
nVP-P
en
Input Noise Voltage Density
f = 1kHz
12
nV/√Hz
in
Input Noise Current Density
f = 1kHz
0.3
pA/√Hz
CIN
Input Capacitance
5pF
AVOL
Large-Signal Voltage Gain
VS = 5V, VO = 75mV to 4.8V, RL = 10k
VS = 3V, VO = 75mV to 2.8V, RL = 10k
600
500
3800
2000
V/mV
CMRR
Common Mode Rejection Ratio
VS = 5V, VCM = V– to V+
VS = 3V, VCM = V– to V+
81
76
90
86
dB
CMRR Match (Channel-to-Channel) (Note 5)
VS = 5V, VCM = V– to V+
VS = 3V, VCM = V– to V+
75
70
91
86
dB
PSRR
Power Supply Rejection Ratio
VS = 2.2V to 12V, VCM = VO = 0.5V
88
105
dB
PSRR Match (Channel-to-Channel) (Note 5)
VS = 2.2V to 12V, VCM = VO = 0.5V
82
103
dB
VOL
Output Voltage Swing (Low) (Note 6)
No Load
ISINK = 0.5mA
ISINK = 2.5mA
14
35
90
30
70
200
mV
VOH
Output Voltage Swing (High) (Note 6)
No Load
ISOURCE = 0.5mA
ISOURCE = 2.5mA
2.5
50
140
10
100
250
mV
ISC
Short-Circuit Current
VS = 5V
VS = 3V
±12.5
±12.0
±24
±19
mA
IS
Supply Current per Amplier
1.7
2.2
mA
GBW
Gain-Bandwidth Product (Note 7)
6.8
10.5
MHz
SR
Slew Rate (Note 8)
VS = 5V, AV = –1, RL = Open, VO = 4V
VS = 3V, AV = –1, RL = Open
2.6
2.3
4.5
4.0
V/μs