Datasheet
LTC2057/LTC2057HV
4
2057f
For more information www.linear.com/LTC2057
(LTC2057/LTC2057HV) The l denotes the specifications which apply
over the full operating temperature range, otherwise specifications are at T
A
= 25°C. Unless otherwise noted, V
S
= ±2.5V; V
CM
= V
OUT
= 0V.
elecTrical characTerisTics
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
OS
Input Offset Voltage (Note 3) 0.5 4 μV
∆V
OS
/∆T Average Input Offset Voltage Drift (Note 3) –40°C to 125°C
l
0.015 μV/°C
I
B
Input Bias Current (Note 4)
–40°C to 85°C
–40°C to 125°C
l
l
30 200
300
3.5
pA
pA
nA
I
OS
Input Offset Current (Note 4)
–40°C to 85°C
–40°C to 125°C
l
l
60 400
460
1.0
pA
pA
nA
i
n
Input Noise Current Spectral Density 1kHz 170 fA/√Hz
e
n
Input Noise Voltage Spectral Density 1kHz 11 nV/√Hz
e
n P-P
Input Noise Voltage DC to 10Hz 200 nV
P-P
C
IN
Differential Input Capacitance
Common Mode Input Capacitance
3
3
pF
pF
CMRR Common Mode Rejection Ratio (Note 5)
V
CM
= V
–
– 0.1V to V
+
– 1.5V
–40°C to 125°C
l
114
111
150 dB
dB
PSRR Power Supply Rejection Ratio (Note 5)
V
S
= 4.75V to 36V
–40°C to 125°C
l
133
129
160 dB
dB
A
VOL
Open Loop Voltage Gain (Note 5) V
OUT
= V
–
+0.2V to V
+
–0.2V, R
L
=1kΩ
–40°C to 125°C
l
118
117
150 dB
dB
V
OL
– V
–
Output Voltage Swing Low No Load
–40°C to 125°C
I
SINK
= 1mA
–40°C to 125°C
I
SINK
= 5mA
–40°C to 85°C
–40°C to 125°C
l
l
l
l
0.2
35
180
10
15
60
90
270
365
415
mV
mV
mV
mV
mV
mV
mV
V
+
– V
OH
Output Voltage Swing High No Load
–40°C to 125°C
I
SOURCE
= 1mA
–40°C to 125°C
I
SOURCE
= 5mA
–40°C to 85°C
–40°C to 125°C
l
l
l
l
0.2
50
250
10
15
75
115
345
470
535
mV
mV
mV
mV
mV
mV
mV
I
SC
Short Circuit Current 17 26 mA
SR
RISE
Rising Slew Rate A
V
= –1, R
L
= 10kΩ 1.2 V/μs
SR
FALL
Falling Slew Rate A
V
= –1, R
L
= 10kΩ 0.45 V/μs
GBW Gain Bandwidth Product 1.5 MHz
f
C
Internal Chopping Frequency 100 kHz
I
S
Supply Current No Load
–40°C to 85°C
–40°C to 125°C
l
l
0.8
1.21
1.50
1.70
mA
mA
mA
In Shutdown Mode
–40°C to 85°C
–40°C to 125°C
l
l
2.5
5.6
6.5
μA
μA
μA
V
SDL
Shutdown Threshold (SD – SDCOM) Low –40°C to 125°C
l
0.8 V
V
SDH
Shutdown Threshold (SD – SDCOM) High –40°C to 125°C
l
2 V
SDCOM Voltage Range –40°C to 125°C
l
V
–
V
+
–2V V
I
SD
SD Pin Current –40°C to 125°C, V
SD
– V
SDCOM
= 0
l
–2 –0.5 μA
I
SDCOM
SDCOM Pin Current –40°C to 125°C, V
SD
– V
SDCOM
= 0
l
0.5 2 μA