Datasheet LTC2054, LTC2055 (Analog Devices)
| Manufacturer | Analog Devices |
| Description | Single/Dual Micropower Zero-Drift Operational Amplifiers |
| Pages / Page | 16 / 1 — FEATURES. DESCRIPTION. Supply Current 150μA (Max per Amplifi er). … |
| File Format / Size | PDF / 213 Kb |
| Document Language | English |
FEATURES. DESCRIPTION. Supply Current 150μA (Max per Amplifi er). Guaranteed from –40°C to 85°C
Model Line for this Datasheet
- LTC2054CS5#PBF LTC2054CS5#TRMPBF LTC2054CS5#TRPBF LTC2054HS5#PBF LTC2054HS5#TRMPBF LTC2054HS5#TRPBF LTC2054HVCS5#PBF LTC2054HVCS5#TRMPBF LTC2054HVCS5#TRPBF LTC2054HVHS5#PBF LTC2054HVHS5#TRMPBF LTC2054HVHS5#TRPBF LTC2054HVIS5#PBF LTC2054HVIS5#TRMPBF LTC2054HVIS5#TRPBF LTC2054HVMPS5#PBF LTC2054HVMPS5#TRMPBF LTC2054HVMPS5#TRPBF LTC2054IS5#PBF LTC2054IS5#TRMPBF LTC2054IS5#TRPBF LTC2054MPS5#PBF LTC2054MPS5#TRMPBF LTC2054MPS5#TRPBF
- LTC2055CDD#PBF LTC2055CDD#TRPBF LTC2055CMS8#PBF LTC2055CMS8#TRPBF LTC2055HDD#PBF LTC2055HDD#TRPBF LTC2055HMS8#PBF LTC2055HMS8#TRPBF LTC2055HVCDD#PBF LTC2055HVCDD#TRPBF LTC2055HVCMS8#PBF LTC2055HVCMS8#TRPBF LTC2055HVHDD#PBF LTC2055HVHDD#TRPBF LTC2055HVHMS8#PBF LTC2055HVHMS8#TRPBF LTC2055HVIDD#PBF LTC2055HVIDD#TRPBF LTC2055HVIMS8#PBF LTC2055HVIMS8#TRPBF LTC2055IDD#PBF LTC2055IDD#TRPBF LTC2055IMS8#PBF LTC2055IMS8#TRPBF
Text Version of Document
LTC2054/LTC2055 Single/Dual Micropower Zero-Drift Operational Amplifi ers
FEATURES DESCRIPTION
n
Supply Current 150μA (Max per Amplifi er)
The LTC®2054/LTC2055 are low power, low noise, single/
Guaranteed from –40°C to 85°C
dual, zero-drift operational amplifi ers with an extended n
Offset Voltage 3μV (Max, –40°C to 85°C)
temperature version (LTC2054MP) that has guaranteed n
Offset Voltage Drift 30nV/°C (Max, –40°C to 85°C)
specifi cations from –55°C to 150°C. They are available n
Guaranteed Specifi cations from –55°C to 150°C
in TSOT-23 (ThinSOT™) and MS8 packages. For space
(LTC2054MP)
limited applications, the LTC2055 is also available in a n Common Mode Input Range from V– to V+ – 0.5V 3mm × 3mm × 0.8mm dual fi ne pitch leadless package n Output Swings Rail-to-Rail (DFN). They operate from a single 2.7V minimum supply n Voltage Gain: 140dB (Typ) and support ± 5V applications. The current consumption n PSRR and CMRR: 130dB (Typ) is typically 150μA for the LTC2054 and 130μA/amp for n Input Bias Current: 1pA (Typ, 25°C) the LTC2055. n Noise: 1.6μVP-P (0.01Hz to 10Hz Typ) The LTC2054/LTC2055, despite their miniature size, feature n Supply Operation: uncompromising DC performance. The maximum input 2.7V to 6V (LTC2054/LTC2055) offset voltage and offset drift are 3.0μV and 30nV/°C over 2.7V to ±5.5V (LTC2054HV/LTC2055HV) the –40°C to 85°C industrial temperature range. The almost n Low Profi le (1mm) TSOT-23, MS8 and zero DC offset and drift are supported with a power supply 3mm × 3mm × 0.8mm DFN Packages rejection ratio (PSRR) and common mode rejection ratio
APPLICATIONS
(CMRR) of 130dB (typ). n The input common mode voltage ranges from the negative Thermocouple Amplifi ers n supply up to typically 0.5V below the positive supply. The Electronic Scales n open-loop gain is typically 140dB. The LTC2054/LTC2055 Medical Instrumentation n also feature a 1.6μV Strain Gauge Amplifi ers P-P DC to 10Hz noise and a 500kHz gain-bandwidth product. n High Resolution Data Acquisition n DC Accurate RC Active Filters L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear Technology Corporation. ThinSOT is a trademark of Linear Technology Corporation. All other n Low Side Current Sense trademarks are the property of their respective owners. n Battery-Powered Systems
TYPICAL APPLICATION –48V Low Side Precision Current Sense VOS vs Temperature
10 VS = ±5V 10k 8 Q1 0.1μF 1% ZETEX 6 ZVN3320F 5V 4 100Ω – 2 1% 39k – 0.01μF LTC2054 V (μV) OUT = 100VSENSE 0 OS LTC2054 V + –2 + 0.1μF –4 100Ω –6 BZX84C5V1 VZ = 5.1 0.003Ω –8 1% 3W –10 –48V SUPPLY –48V LOAD 20545 TA01 –55 –20 15 50 85 120 155 – + ISENSE, VSENSE TEMPERATURE (°C) 20545 TA01b 20545fc 1
FEATURES DESCRIPTION
n
Supply Current 150μA (Max per Amplifi er)
The LTC®2054/LTC2055 are low power, low noise, single/
Guaranteed from –40°C to 85°C
dual, zero-drift operational amplifi ers with an extended n
Offset Voltage 3μV (Max, –40°C to 85°C)
temperature version (LTC2054MP) that has guaranteed n
Offset Voltage Drift 30nV/°C (Max, –40°C to 85°C)
specifi cations from –55°C to 150°C. They are available n
Guaranteed Specifi cations from –55°C to 150°C
in TSOT-23 (ThinSOT™) and MS8 packages. For space
(LTC2054MP)
limited applications, the LTC2055 is also available in a n Common Mode Input Range from V– to V+ – 0.5V 3mm × 3mm × 0.8mm dual fi ne pitch leadless package n Output Swings Rail-to-Rail (DFN). They operate from a single 2.7V minimum supply n Voltage Gain: 140dB (Typ) and support ± 5V applications. The current consumption n PSRR and CMRR: 130dB (Typ) is typically 150μA for the LTC2054 and 130μA/amp for n Input Bias Current: 1pA (Typ, 25°C) the LTC2055. n Noise: 1.6μVP-P (0.01Hz to 10Hz Typ) The LTC2054/LTC2055, despite their miniature size, feature n Supply Operation: uncompromising DC performance. The maximum input 2.7V to 6V (LTC2054/LTC2055) offset voltage and offset drift are 3.0μV and 30nV/°C over 2.7V to ±5.5V (LTC2054HV/LTC2055HV) the –40°C to 85°C industrial temperature range. The almost n Low Profi le (1mm) TSOT-23, MS8 and zero DC offset and drift are supported with a power supply 3mm × 3mm × 0.8mm DFN Packages rejection ratio (PSRR) and common mode rejection ratio
APPLICATIONS
(CMRR) of 130dB (typ). n The input common mode voltage ranges from the negative Thermocouple Amplifi ers n supply up to typically 0.5V below the positive supply. The Electronic Scales n open-loop gain is typically 140dB. The LTC2054/LTC2055 Medical Instrumentation n also feature a 1.6μV Strain Gauge Amplifi ers P-P DC to 10Hz noise and a 500kHz gain-bandwidth product. n High Resolution Data Acquisition n DC Accurate RC Active Filters L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear Technology Corporation. ThinSOT is a trademark of Linear Technology Corporation. All other n Low Side Current Sense trademarks are the property of their respective owners. n Battery-Powered Systems
TYPICAL APPLICATION –48V Low Side Precision Current Sense VOS vs Temperature
10 VS = ±5V 10k 8 Q1 0.1μF 1% ZETEX 6 ZVN3320F 5V 4 100Ω – 2 1% 39k – 0.01μF LTC2054 V (μV) OUT = 100VSENSE 0 OS LTC2054 V + –2 + 0.1μF –4 100Ω –6 BZX84C5V1 VZ = 5.1 0.003Ω –8 1% 3W –10 –48V SUPPLY –48V LOAD 20545 TA01 –55 –20 15 50 85 120 155 – + ISENSE, VSENSE TEMPERATURE (°C) 20545 TA01b 20545fc 1
