LTC2057/LTC2057HV - High Voltage, Low Noise Zero-Drift ...

1 LTC2057/LTC2057HV . High Voltage, Low Noise Zero-Drift Operational Amplifier Features Description n Supply Voltage Range The LTC 2057 is a high voltage, low Noise , Zero-Drift op- n to 36V (LTC2057) erational amplifier that offers precision DC performance n to 60V (LTC2057HV) over a wide supply range of to 36V or to n Offset Voltage: 4 V (Maximum). 60V for the LTC2057HV. Offset voltage and 1/f Noise are n Offset Voltage Drift: V/ C. suppressed, allowing this amplifier to achieve a maximum (Maximum, 40 C to 125 C) offset voltage of 4 V and a DC to 10Hz input Noise volt- n Input Noise Voltage age of 200nVP-P (typ). The LTC2057's self-calibrating n 200nVP-P, DC to 10Hz (Typ). n 11nV/ Hz, 1kHz (Typ) circuitry results in low offset voltage drift with temperature, n Input Common Mode Range: V to V+ V/ C (max), and Zero-Drift over time. The amplifier n Rail-to-Rail Output also features an excellent power supply rejection ratio n Unity Gain Stable (PSRR) of 160dB and a common mode rejection ratio n Gain Bandwidth Product: (Typ) (CMRR) of 150dB (typ).

2 N Slew Rate: s (Typ). n A. The LTC2057 provides rail-to-rail output swing and an VOL: 150dB (Typ) input common mode range that includes the V rail (V . n PSRR: 160dB (Typ). n CMRR: 150dB (Typ). to V+ ). In addition to low offset and Noise , this n Shutdown Mode amplifier features a (typ) gain-bandwidth product and a s (typ) slew rate. Applications Wide supply range, combined with low Noise , low offset, n High Resolution Data Acquisition and excellent PSRR and CMRR make the LTC2057 and n Reference Buffering n LTC2057HV well suited for high dynamic-range test, Test and Measurement n Electronic Scales measurement, and instrumentation systems. n Thermocouple Amplifiers L, LT, LTC, LTM, linear Technology, Over-The-Top, and the linear logo are registered trademarks of linear Technology Corporation. All other trademarks are the property of their n Strain Gauges respective owners. n Low-Side Current Sense n Automotive Monitors and Control Typical Application Wide Input Range Precision Gain-of-100 Instrumentation Amplifier Input Offset Voltage 30V.

3 Vs Supply Voltage 5. IN + 5 TYPICAL UNITS. 4 VCM = VS /2. LTC2057HV T = 25 C. 3 A. 18V 2. 30V 7 1. 8. VOS ( V). M9. 9 VCC 0. M3. 232 10. M1 6 1. LT1991A OUT VOUT. 1. P1 REF 2. 2. P3 VEE. 30V 3 5 3. P9 4. 4.. 18V 5. LTC2057HV 2057 TA01a 0 5 10 15 20 25 30 35 40 45 50 55 60 65. +IN + INPUT CM RANGE = 28V WITH 4V OF OUTPUT SWING VS (V). 2057 TA01b CMRR = 130dB (TYP), INPUT OFFSET VOLTAGE = 1 V (TYP). 30V. 2057f For more information 1. LTC2057/LTC2057HV . Absolute Maximum Ratings (Note 1). Total Supply Voltage (V+ to V ) Output Short-Circuit Indefinite LTC2057 ..40V Operating Temperature Range (Note 2). LTC2057 40 C to 85 C. Input Voltage LTC2057 40 C to 125 C. IN, + V to V+ + Storage Temperature 65 C to 150 C. SD, SDCOM .. V to V+ + Lead Temperature (Soldering, 10 sec).. 300 C. Input Current IN, + 10mA. SD, 10mA. Differential Input Voltage IN +IN 6V. SD to Pin Configuration TOP VIEW. SD 1 9 8 SDCOM TOP VIEW.

4 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 TJMAX = 150 C, JA = 163 C/W. TJMAX = 150 C, JA = 43 C/W. EXPOSED PAD (PIN 9) IS V . PCB CONNECTION REQUIRED. TOP VIEW. TOP VIEW. SD 1 8 SDCOM. GRD 1 10 SD. IN 2 7 V+ IN 2 9 SDCOM. +IN 3 + 8 V+. +IN 3 + 6 OUT GRD 4 7 NC. V 5 6 OUT. V 4 5 NC. MS PACKAGE. S8 PACKAGE 10-LEAD PLASTIC MSOP. 8-LEAD PLASTIC SO TJMAX = 150 C, JA = 160 C/W. TJMAX = 150 C, JA = 120 C/W. 2057f 2 For more information LTC2057/LTC2057HV . Order Information LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE. LTC2057 IDD#PBF LTC2057 IDD#TRPBF LGCZ 8-Lead Plastic DFN (3mm 3mm) 40 C to 85 C. LTC2057 HVIDD#PBF LTC2057 HVIDD#TRPBF LGDB 8-Lead Plastic DFN (3mm 3mm) 40 C to 85 C. LTC2057 HDD#PBF LTC2057 HDD#TRPBF LGCZ 8-Lead Plastic DFN (3mm 3mm) 40 C to 125 C.

5 LTC2057 HVHDD#PBF LTC2057 HVHDD#TRPBF LGDB 8-Lead Plastic DFN (3mm 3mm) 40 C to 125 C. LTC2057 IMS8#PBF LTC2057 IMS8#TRPBF LTFGK 8-Lead Plastic MSOP 40 C to 85 C. LTC2057 HVIMS8#PBF LTC2057 HVIMS8#TRPBF LTGDC 8-Lead Plastic MSOP 40 C to 85 C. LTC2057 HMS8#PBF LTC2057 HMS8#TRPBF LTFGK 8-Lead Plastic MSOP 40 C to 125 C. LTC2057 HVHMS8#PBF LTC2057 HVHMS8#TRPBF LTGDC 8-Lead Plastic MSOP 40 C to 125 C. LTC2057 IMS#PBF LTC2057 IMS#TRPBF LTGCX 10-Lead Plastic MSOP 40 C to 85 C. LTC2057 HVIMS#PBF LTC2057 HVIMS#TRPBF LTGCY 10-Lead Plastic MSOP 40 C to 85 C. LTC2057 HMS#PBF LTC2057 HMS#TRPBF LTGCX 10-Lead Plastic MSOP 40 C to 125 C. LTC2057 HVHMS#PBF LTC2057 HVHMS#TRPBF LTGCY 10-Lead Plastic MSOP 40 C to 125 C. LTC2057IS8#PBF LTC2057IS8#TRPBF 2057 8-Lead Plastic Small Outline 40 C to 85 C. LTC2057 HVIS8#PBF LTC2057 HVIS8#TRPBF 2057HV 8-Lead Plastic Small Outline 40 C to 85 C. LTC2057HS8#PBF LTC2057HS8#TRPBF 2057 8-Lead Plastic Small Outline 40 C to 125 C.

6 LTC2057 HVHS8#PBF LTC2057 HVHS8#TRPBF 2057HV 8-Lead Plastic Small Outline 40 C to 125 C. Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container. Consult LTC Marketing for information on non-standard lead based finish parts. For more information on lead free part marking, go to: For more information on tape and reel specifications, go to: 2057f For more information 3. LTC2057/LTC2057HV . Electrical Characteristics ( LTC2057/LTC2057HV ) The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25 C. Unless otherwise noted, VS = ; VCM = VOUT = 0V. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS. VOS Input Offset Voltage (Note 3) 4 V. VOS/ T Average Input Offset Voltage Drift (Note 3) 40 C to 125 C l V/ C. IB Input Bias Current (Note 4) 30 200 pA.

7 40 C to 85 C l 300 pA. 40 C to 125 C l nA. IOS Input Offset Current (Note 4) 60 400 pA. 40 C to 85 C l 460 pA. 40 C to 125 C l nA. in Input Noise Current Spectral Density 1kHz 170 fA/ Hz en Input Noise Voltage Spectral Density 1kHz 11 nV/ Hz en P-P Input Noise Voltage DC to 10Hz 200 nVP-P. CIN Differential Input Capacitance 3 pF. Common Mode Input Capacitance 3 pF. CMRR Common Mode Rejection Ratio (Note 5) VCM = V to V+ 114 150 dB. 40 C to 125 C l 111 dB. PSRR Power Supply Rejection Ratio (Note 5) VS = to 36V 133 160 dB. 40 C to 125 C l 129 dB. AVOL Open Loop Voltage Gain (Note 5) VOUT = V + to V+ , RL =1k 118 150 dB. 40 C to 125 C l 117 dB. VOL V Output Voltage Swing Low No Load 10 mV. 40 C to 125 C l 15 mV. ISINK = 1mA 35 60 mV. 40 C to 125 C l 90 mV. ISINK = 5mA 180 270 mV. 40 C to 85 C l 365 mV. 40 C to 125 C l 415 mV. V+ VOH Output Voltage Swing High No Load 10 mV. 40 C to 125 C l 15 mV.

8 ISOURCE = 1mA 50 75 mV. 40 C to 125 C l 115 mV. ISOURCE = 5mA 250 345 mV. 40 C to 85 C l 470 mV. 40 C to 125 C l 535 mV. ISC Short Circuit Current 17 26 mA. SRRISE Rising Slew Rate AV = 1, RL = 10k V/ s SRFALL Falling Slew Rate AV = 1, RL = 10k V/ s GBW Gain Bandwidth Product MHz fC Internal Chopping Frequency 100 kHz IS Supply Current No Load mA. 40 C to 85 C l mA. 40 C to 125 C l mA. In Shutdown Mode A. 40 C to 85 C l A. 40 C to 125 C l A. VSDL Shutdown Threshold (SD SDCOM) Low 40 C to 125 C l V. VSDH 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. ISD SD Pin Current 40 C to 125 C, VSD VSDCOM = 0 l 2 A. ISDCOM SDCOM Pin Current 40 C to 125 C, VSD VSDCOM = 0 l 2 A. 2057f 4 For more information LTC2057/LTC2057HV . Electrical Characteristics ( LTC2057/LTC2057HV ) The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25 C.

9 Unless otherwise noted, VS = 15V; VCM = VOUT = 0V. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS. VOS Input Offset Voltage (Note 3) V. VOS/ T Average Input Offset Voltage Drift (Note 3) 40 C to 125 C l V/ C. IB Input Bias Current (Note 4) 30 200 pA. 40 C to 85 C l 360 pA. 40 C to 125 C l nA. IOS Input Offset Current (Note 4) 60 400 pA. 40 C to 85 C l 480 pA. 40 C to 125 C l nA. in Input Noise Current Spectral Density 1kHz 150 fA/ Hz en Input Noise Voltage Spectral Density 1kHz 12 nV/ Hz en P-P Input Noise Voltage DC to 10Hz 210 nVP-P. CIN Differential Input Capacitance 3 pF. Common Mode Input Capacitance 3 pF. CMRR Common Mode Rejection Ratio (Note 5) VCM = V to V+ 128 150 dB. 40 C to 125 C l 126 dB. PSRR Power Supply Rejection Ratio (Note 5) VS = to 36V 133 160 dB. 40 C to 125 C l 129 dB. AVOL Open Loop Voltage Gain (Note 5) VOUT = V + to V+ , RL =10k 130 150 dB. 40 C to 125 C l 128 dB.

10 VOL V Output Voltage Swing Low No Load 2 12 mV. 40 C to 125 C l 45 mV. ISINK = 1mA 35 60 mV. 40 C to 125 C l 100 mV. ISINK = 5mA 175 255 mV. 40 C to 85 C l 360 mV. 40 C to 125 C l 435 mV. V+ VOH Output Voltage Swing High No Load 3 15 mV. 40 C to 125 C l 45 mV. ISOURCE = 1mA 50 75 mV. 40 C to 125 C l 125 mV. ISOURCE = 5mA 235 335 mV. 40 C to 85 C l 465 mV. 40 C to 125 C l 560 mV. ISC Short Circuit Current 19 30 mA. SRRISE Rising Slew Rate AV = 1, RL = 10k V/ s SRFALL Falling Slew Rate AV = 1, RL = 10k V/ s GBW Gain Bandwidth Product MHz fC Internal Chopping Frequency 100 kHz IS Supply Current No Load mA. 40 C to 85 C l mA. 40 C to 125 C l mA. In Shutdown Mode 3 A. 40 C to 85 C l 8 A. 40 C to 125 C l 9 A. VSDL Shutdown Threshold (SD SDCOM) Low 40 C to 125 C l V. VSDH 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. ISD SD Pin Current 40 C to 125 C, VSD VSDCOM = 0 l A.