Datasheet

LT1884/LT1885
3
The ● denotes the specifications which apply over the full operating temperature range, otherwise specifications are at T
A
= 25°C.
Single supply operation V
EE
= 0, V
CC
= 5V; V
CM
= V
CC
/2 unless otherwise noted. (Note 5)
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
I
B
Input Bias Current (LT1884A) 100 400 pA
0°C < T
A
< 70°C ● 500 pA
–40°C < T
A
< 85°C ● 600 pA
Input Bias Current (LT1884/LT1885) 150 900 pA
0°C < T
A
< 70°C ● 1200 pA
–40°C < T
A
< 85°C ● 1400 pA
Input Noise Voltage 0.1Hz to 10Hz 0.4 µV
P-P
e
n
Input Noise Voltage Density f = 1kHz 9.5 nV/√Hz
i
n
Input Noise Current Density f = 1kHz 0.05 pA/√Hz
V
CM
Input Voltage Range V
EE
+ 1.0 V
CC
– 1.0 V
● V
EE
+ 1.2 V
CC
– 1.2 V
CMRR Common Mode Rejection Ratio 1V < V
CM
< 4V 108 128 dB
1.2V < V
CM
< 3.8V ● 106 dB
PSRR Power Supply Rejection Ratio V
EE
= 0, V
CM
= 1.5V
0°C < T
A
< 85°C, 2.7V < V
CC
< 32V ● 108 132 dB
T
A
= –40°C, 3V < V
CC
< 32V 108 132 dB
Minimum Operating Supply Voltage ● 2.4 2.7 V
A
VOL
Large-Signal Voltage Gain R
L
= 10k; 1V < V
OUT
< 4V 500 1600 V/mV
● 350 V/mV
R
L
= 2k; 1V < V
OUT
< 4V 400 800 V/mV
● 300 V/mV
R
L
= 1k; 1V < V
OUT
< 4V 300 400 V/mV
● 200 V/mV
V
OL
Output Voltage Swing Low No Load ● 20 40 mV
I
SINK
= 100µA ● 25 50 mV
I
SINK
= 1mA ● 70 150 mV
I
SINK
= 5mA ● 270 600 mV
V
OH
Output Voltage Swing High No Load ● 120 220 mV
(Referred to V
CC
)I
SOURCE
= 100µA ● 130 230 mV
I
SOURCE
= 1mA ● 180 300 mV
I
SOURCE
= 5mA ● 360 600 mV
I
S
Supply Current per Amplifier V
CC
= 3V 0.45 0.65 0.85 mA
● 1.30 mA
V
CC
= 5V 0.50 0.65 0.9 mA
● 1.4 mA
V
CC
= 12V 0.50 0.70 1.0 mA
● 1.5 mA
I
SC
Short-Circuit Current V
OUT
Short to GND ● 15 30 mA
V
OUT
Short to V
CC
● 15 30 mA
GBW Gain-Bandwidth Product f = 20kHz 1.2 2 MHz
t
S
Settling Time 0.01%, V
OUT
= 1.5V to 3.5V, 10 µs
A
V
= –1, R
L
= 2k
SR
+
Positive Slew Rate A
V
= –1 0.45 0.9 V/µs
● 0.36 V/µs
SR
–
Negative Slew Rate A
V
= –1 0.35 0.7 V/µs
● 0.25 V/µs
ELECTRICAL CHARACTERISTICS