LT1884/LT1885
3
The q denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C.
Single supply operation VEE = 0, VCC = 5V; VCM = VCC/2 unless otherwise noted. (Note 5)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
IB
Input Bias Current (LT1884A)
100
400
pA
0
°C < TA < 70°C
q
500
pA
–40
°C < TA < 85°C
q
600
pA
Input Bias Current (LT1884/LT1885)
150
900
pA
0
°C < TA < 70°C
q
1200
pA
–40
°C < TA < 85°C
q
1400
pA
Input Noise Voltage
0.1Hz to 10Hz
0.4
VP-P
en
Input Noise Voltage Density
f = 1kHz
9.5
nV/
√Hz
in
Input Noise Current Density
f = 1kHz
0.05
pA/
√Hz
VCM
Input Voltage Range
VEE + 1.0
VCC – 1.0
V
q
VEE + 1.2
VCC – 1.2
V
CMRR
Common Mode Rejection Ratio
1V < VCM < 4V
108
128
dB
1.2V < VCM < 3.8V
q
106
dB
PSRR
Power Supply Rejection Ratio
VEE = 0, VCM = 1.5V
0
°C < TA < 85°C, 2.7V < VCC < 32V
q
108
132
dB
TA = – 40°C, 3V < VCC < 32V
108
132
dB
Minimum Operating Supply Voltage
q
2.4
2.7
V
AVOL
Large-Signal Voltage Gain
RL = 10k; 1V < VOUT < 4V
500
1600
V/mV
q
350
V/mV
RL = 2k; 1V < VOUT < 4V
400
800
V/mV
q
300
V/mV
RL = 1k; 1V < VOUT < 4V
300
400
V/mV
q
200
V/mV
VOL
Output Voltage Swing Low
No Load
q
20
40
mV
ISINK = 100A
q
25
50
mV
ISINK = 1mA
q
70
150
mV
ISINK = 5mA
q
270
600
mV
VOH
Output Voltage Swing High
No Load
q
120
220
mV
(Referred to VCC)ISOURCE = 100A
q
130
230
mV
ISOURCE = 1mA
q
180
300
mV
ISOURCE = 5mA
q
360
600
mV
IS
Supply Current per Amplifier
VCC = 3V
0.45
0.65
0.85
mA
q
1.30
mA
VCC = 5V
0.50
0.65
0.9
mA
q
1.4
mA
VCC = 12V
0.50
0.70
1.0
mA
q
1.5
mA
ISC
Short-Circuit Current
VOUT Short to GND
q
15
30
mA
VOUT Short to VCC
q
15
30
mA
GBW
Gain-Bandwidth Product
f = 20kHz
1.2
2
MHz
tS
Settling Time
0.01%, VOUT = 1.5V to 3.5V,
10
s
AV = –1, RL = 2k
SR +
Positive Slew Rate
AV = – 1
0.45
0.9
V/
s
q
0.36
V/
s
SR –
Negative Slew Rate
AV = – 1
0.35
0.7
V/
s
q
0.25
V/
s
ELECTRICAL CHARACTERISTICS