LT1797
3
1797fb
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VS = 3V, 0V; VS = 5V, 0V, VCM = VOUT = half supply, pulse power tested,
unless otherwise specified. (Note 3)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Input Voltage Range
l
0VS
V
AVOL
Large-Signal Voltage Gain
VS = 3V, VO = 0.5V to 2.5V, RL = 10k
l
200
150
1000
V/mV
VS = 5V, VO = 0.5V to 4.5V, RL = 10k
l
400
300
1000
V/mV
PSRR
Power Supply Rejection Ratio
VS = 2.7V to 12V, VCM = VO = 1V
l
80
90
dB
Minimum Supply Voltage
l
2.5
2.7
V
VOL
Output Voltage Swing LOW
No Load, Input Overdrive = 30mV
ISINK = 5mA
ISINK = 10mA
l
8
80
150
30
160
250
mV
VOH
Output Voltage Swing HIGH
No Load, Input Overdrive = 30mV
ISOURCE = 5mA
ISOURCE = 10mA, VS = 5V
ISOURCE = 10mA, VS = 3V
l
VS – 0.14
VS – 0.30
VS – 0.39
VS – 0.59
VS – 0.05
VS – 0.2
VS – 0.3
V
ISC
Short-Circuit Current
VS = 5V
VS = 3V
25
15
45
25
mA
IS
Supply Current
l
1.1
1.5
2.0
mA
GBW
Gain Bandwidth Product (Note 5)
f = 100kHz
0°C ≤ TA ≤ 70°C
–40°C ≤ TA ≤ 85°C
l
6.0
5.0
4.5
10
MHz
SR
Slew Rate (Note 5)
AV = –1
0°C ≤ TA ≤ 70°C
–40°C ≤ TA ≤ 85°C
l
1.3
1.1
1.0
2.25
V/μs
tr
Output Rise Time
10% to 90%, 0.1V Step, RL = 10k
55
ns
tf
Output Fall Time
10% to 90%, 0.1V Step, RL = 10k
55
ns
tS
Settling Time
VS = 5V, ΔVOUT = 2V to 0.1%, AV = –1
1.6
μs
THD
Distortion
VS = 3V, VOUT = 1.8VP-P, AV = 1, RL = 10k, f = 1kHz
0.001
%
FPBW
Full-Power Bandwidth (Note 6)
VOUT = 2VP-P
360
kHz
The
l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C.
VS = ±5V, VCM = 0V, VOUT = 0V, pulse power tested unless otherwise specified. (Note 3)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VOS
Input Offset Voltage
0°C ≤ TA ≤ 70°C
–40°C ≤ TA ≤ 85°C
l
1
1.5
2.5
3.0
mV
Input Offset Voltage Drift (Note 4)
l
5
20
μV/°C
IB
Input Bias Current
VCM = V–
VCM = V+
l
–300
–150
50
100
nA
Input Bias Current Drift
l
0.1
nA/°C
IOS
Input Offset Current
VCM = V–
VCM = V+
l
10
25
nA
Input Noise Voltage
0.1Hz to 10Hz
1
μVP-P
en
Input Noise Voltage Density
f = 10kHz
20
nV/√Hz
in
Input Noise Current Density
f = 10kHz
f = 10kHz, VCM = 4.7V
0.23
0.15
pA/√Hz