LTC2057/LTC2057HV
High Voltage, Low Noise
Zero-Drift Operational Amplifier
Fea T Descrip T
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Supply Voltage Range The LTC 2057 is a high voltage, low noise, zero-drift op-
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4.75V to 36V (LTC2057)
erational amplifier that offers precision DC performance
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4.75V to 60V (LTC2057HV)
over a wide supply range of 4.75V to 36V or 4.75V to
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Offset Voltage: 4V (Maximum)
60V for the LTC2057HV. Offset voltage and 1/f noise are
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Offset Voltage Drift: 0.015V/C
suppressed, allowing this amplifier to achieve a maximum
(Maximum, 40C to 125C)
offset voltage of 4V and a DC to 10Hz input noise volt-
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Input Noise Voltage
age of 200nV (typ). The LTC2057s self-calibrating
P-P
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200nV , DC to 10Hz (Typ)
P-P
circuitry results in low offset voltage drift with temperature,
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11nV/Hz, 1kHz (Typ)
0.015V/C (max), and zero-drift over time. The amplifier
+
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Input Common Mode Range: V 0.1V to V 1.5V
also features an excellent power supply rejection ratio
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Rail-to-Rail Output
(PSRR) of 160dB and a common mode rejection ratio
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Unity Gain Stable
n (CMRR) of 150dB (typ).
Gain Bandwidth Product: 1.5MHz (Typ)
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Slew Rate: 0.45V/s (Typ)
The LTC2057 provides rail-to-rail output swing and an
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A : 150dB (Typ)
VOL
input common mode range that includes the V rail (V
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PSRR: 160dB (Typ)
+
0.1V to V 1.5V). In addition to low offset and noise, this
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CMRR: 150dB (Typ)
amplifier features a 1.5MHz (typ) gain-bandwidth product
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Shutdown Mode
and a 0.45V/s (typ) slew rate.
a T
Wide supply range, combined with low noise, low offset,
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High Resolution Data Acquisition
and excellent PSRR and CMRR make the LTC2057 and
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Reference Buffering
LTC2057HV well suited for high dynamic-range test,
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Test and Measurement
measurement, and instrumentation systems.
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Electronic Scales
L, LT, LTC, LTM, Linear Technology, Over-The-Top, and the Linear logo are registered
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Thermocouple Amplifiers
trademarks of Linear Technology Corporation. All other trademarks are the property of their
n respective owners.
Strain Gauges
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Low-Side Current Sense
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Automotive Monitors and Control
Typical a T
Wide Input Range Precision Gain-of-100 Instrumentation Amplifier Input Offset Voltage
vs Supply Voltage
30V
5
5 TYPICAL UNITS
+
IN
4 V = V /2
CM S
LTC2057HV T = 25C
A
3
18V
2
30V 1
7
8
11.5k
M9
V
9 CC 0
M3
10
232
M1 6 1
11.5k LT1991A OUT V
OUT
1
P1 2
REF
2
P3
V
EE
5 3
30V 3
P9
4
4
5
18V
LTC2057HV 2057 TA01a 0 5 10 15 20 25 30 35 40 45 50 55 60 65
V (V)
S
+IN + INPUT CM RANGE = 28V WITH 4V OF OUTPUT SWING
2057 TA01b
CMRR = 130dB (TYP), INPUT OFFSET VOLTAGE = 1V (TYP)
30V
2057f
1
For more information www.linear.com/LTC2057
V (V)
OS
ion pplica
ions pplica
ion uresLTC2057/LTC2057HV
a T e Maxi Mu M r a T
(Note 1)
+
Total Supply Voltage (V to V ) Output Short-Circuit Duration .......................... Indefinite
LTC2057 ..............................................................40V Operating Temperature Range (Note 2)
LTC2057HV ...........................................................65V LTC2057I/LTC2057HVI ........................40C to 85C
Input Voltage LTC2057H/LTC2057HVH ................... 40C to 125C
+
IN, +IN ...................................V 0.3V to V + 0.3V Storage Temperature Range .................. 65C to 150C
+
SD, SDCOM ............................V 0.3V to V + 0.3V Lead Temperature (Soldering, 10 sec) ...................300C
Input Current
IN, +IN ........................................................... 10mA
SD, SDCOM ..................................................... 10mA
Differential Input Voltage
IN +IN ..............................................................6V
SD SDCOM ........................................ 0.3V to 5.3V
p c F T
TOP VIEW
9
SD 1 8 SDCOM
TOP VIEW
V
+
IN 2 7 V
SD 1 8 SDCOM
+
IN 2 7 V
+IN 3 6 OUT
+
+IN 3 + 6 OUT
V 4 5 NC
V 4 5 NC
MS8 PACKAGE
DD PACKAGE 8-LEAD PLASTIC MSOP
8-LEAD (3mm 3mm) PLASTIC DFN
T = 150C, = 163C/W
JMAX JA
T = 150C, = 43C/W
JMAX JA
EXPOSED PAD (PIN 9) IS V
PCB CONNECTION REQUIRED
TOP VIEW
TOP VIEW
SD 1 8 SDCOM
GRD 1 10 SD
+
IN 2 9 SDCOM
IN 2 7 V
+
+IN 3 8 V
+
+IN 3 + 6 OUT GRD 4 7 NC
V 5 6 OUT
V 4 5 NC
MS PACKAGE
10-LEAD PLASTIC MSOP
S8 PACKAGE
8-LEAD PLASTIC SO T = 150C, = 160C/W
JMAX JA
T = 150C, = 120C/W
JMAX JA
2057f
2
For more information www.linear.com/LTC2057
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