Burr-Brown Corporation OPA2277 Manual Download Page 22 | Manualshive

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Summary of Contents for OPA2277

Page 1: ...al trim pins for special applications OPA277 op amps are easy to use and free from phase inversion and overload problems found in some other op amps They are stable in unity gain and provide excellent dynamic behavior over a wide range of load conditions Dual and quad versions feature completely independent circuitry for lowest crosstalk and free dom from interaction even when overdriven or overlo...

Page 2: ...nded periods may degrade device reliability 2 Short circuit to ground one amplifier per package PACKAGE ORDERING INFORMATION 1 PIN DESCRIPTIONS ELECTROSTATIC DISCHARGE SENSITIVITY This integrated circuit can be damaged by ESD Texas Instru ments recommends that all integrated circuits be handled with appropriate precautions Failure to observe proper handling and installation procedures can cause da...

Page 3: ...mo vs Power Supply PSRR VS 2V to 18V 0 3 0 5 1 1 µV V TA 40 C to 85 C VS 2V to 18V 0 5 1 1 µV V Channel Separation dual quad dc 0 1 µV V INPUT BIAS CURRENT Input Bias Current IB 0 5 1 2 8 2 8 nA TA 40 C to 85 C 2 4 4 nA Input Offset Current IOS 0 5 1 2 8 2 8 nA TA 40 C to 85 C 2 4 4 nA NOISE Input Voltage Noise f 0 1 to 10Hz 0 22 µVPP 0 035 µVrms Input Voltage Noise Density f 10Hz en 12 nV Hz f 10...

Page 4: ... RL 10kΩ V 0 5 V 1 2 V RL 2kΩ V 1 5 V 1 5 V TA 40 C to 85 C RL 2kΩ V 1 5 V 1 5 V Short Circuit Current ISC 35 mA Capacitive Load Drive CLOAD See Typical Curve POWER SUPPLY Specified Voltage Range VS 5 15 V Operating Voltage Range 2 18 V Quiescent Current per amplifier IQ IO 0 790 825 µA TA 40 C to 85 C IO 0 900 µA TEMPERATURE RANGE Specified Range 40 85 C Operating Range 55 125 C Storage Range 55 ...

Page 5: ... NOISE vs FREQUENCY VOUT 3 5Vrms G 10 RL 2kΩ 10kΩ G 1 RL 2kΩ 10kΩ 1 10 100 1k 10k 1000 100 10 1 Voltage Noise nV Hz Current Noise fA Hz Frequency Hz INPUT NOISE AND CURRENT NOISE SPECTRAL DENSITY vs FREQUENCY Current Noise Voltage Noise 0 1 1 10 100 1k 10k 100k 1M 10M 140 120 100 80 60 40 20 0 20 A OL dB 0 30 60 90 120 150 180 Phase Frequency Hz OPEN LOOP GAIN PHASE vs FREQUENCY G φ CL 0 CL 1500pF...

Page 6: ...ION DISTRIBUTION Percent of Amplifiers Offset Voltage µV C 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 0 35 30 25 20 15 10 5 0 Typical distribution of packaged units Single dual and quad included INPUT BIAS CURRENT vs TEMPERATURE 125 Temperature C 75 50 25 0 25 50 75 100 5 4 3 2 1 0 1 2 3 4 5 Input Bias Current nA Curves represent typical production units 75 50 25 0 25 50 75 100 125 160 150 140 130 12...

Page 7: ... 1 0 0 5 0 0 0 5 1 0 1 5 2 0 I B nA VS 5V VS 15V Curve shows normalized change in bias current with respect to VCM 0V Typical IB may range from 05 nA to 0 5nA at VCM 0V OUTPUT VOLTAGE SWING vs OUTPUT CURRENT V V 1 V 2 V 3 V 4 V 5 V 5 V 4 V 3 V 2 V 1 V 0 5 10 15 20 25 30 Output Current mA Output Voltage Swing V 55 C 55 C 125 C 25 C 125 C 25 C 1000 900 800 700 600 500 Quiescent Current µA 0 5 10 15 ...

Page 8: ...ed SMALL SIGNAL OVERSHOOT vs LOAD CAPACITANCE 1k 100 10 10k 100k Load Capacitance pF 60 50 40 30 20 10 0 Overshoot Gain 1 Gain 1 Gain 10 10µs div LARGE SIGNAL STEP RESPONSE G 1 CL 1500pF VS 15V 2V div 1µs div SMALL SIGNAL STEP RESPONSE G 1 CL 0 VS 15V 20mV div 1µs div SMALL SIGNAL STEP RESPONSE G 1 CL 1500pF VS 15V 20mV div ...

Page 9: ...gh the full operating voltage range 2V to 18V Parameters which vary significantly with operating voltage or temperature are shown in typical performance curves OFFSET VOLTAGE ADJUSTMENT The OPA277 series is laser trimmed for very low offset voltage and drift so most circuits will not require external adjustment However offset voltage trim connections are provided on pins 1 and 8 Offset voltage can...

Page 10: ... supply R1 Load Cell R R V2 R R R R R R V1 14 1 12 5V 11 13 IREG 1mA 4 3 2 6 RG 1250Ω XTR105 1 2 OPA2277 7 RG RG VIN VIN VREG IR2 V IRET IO E B 8 IO 4mA VIN VIN 40 RG 9 10 RF 10kΩ R 412Ω 1 2 OPA2277 V V Type J 25Ω G 1 50 2RF R 50Ω 1kΩ RF 10kΩ IR1 VLIN RCM 1250Ω 0 01µF FIGURE 3 Load Cell Amplifier FIGURE 4 Thermocouple Low Offset Low Drift Loop Measurement with Diode Cold Junction Compensation ...

Page 11: ...an be easily mounted using standard printed circuit board PCB assembly techniques See Appli cation Note QFN SON PCB Attachment SLUA271 and Application Report Quad Flatpack No Lead Logic Packages SCBA017 both available for download at www ti com The exposed leadframe die pad on the bottom of the package should be connected to V LAYOUT GUIDELINES The leadframe die pad should be soldered to a thermal...

Page 12: ...CU NIPDAU N A for Pkg Type OPA2277P OPA2277U ACTIVE SOIC D 8 75 Green RoHS no Sb Br Call TI Level 3 260C 168 HR OPA 2277U OPA2277U 2K5 ACTIVE SOIC D 8 2500 Green RoHS no Sb Br Call TI Level 3 260C 168 HR 40 to 85 OPA 2277U OPA2277U 2K5G4 ACTIVE SOIC D 8 2500 Green RoHS no Sb Br Call TI Level 3 260C 168 HR 40 to 85 OPA 2277U OPA2277UA ACTIVE SOIC D 8 75 Green RoHS no Sb Br Call TI Level 3 260C 168 ...

Page 13: ...277PAG4 ACTIVE PDIP P 8 50 Green RoHS no Sb Br CU NIPDAU N A for Pkg Type OPA277P A OPA277PG4 ACTIVE PDIP P 8 50 Green RoHS no Sb Br CU NIPDAU N A for Pkg Type OPA277P OPA277U ACTIVE SOIC D 8 75 Green RoHS no Sb Br CU NIPDAU Level 3 260C 168 HR OPA 277U OPA277U 2K5 ACTIVE SOIC D 8 2500 Green RoHS no Sb Br CU NIPDAU Level 3 260C 168 HR OPA 277U OPA277U 2K5G4 ACTIVE SOIC D 8 2500 Green RoHS no Sb Br...

Page 14: ... this part in a new design PREVIEW Device has been announced but is not in production Samples may or may not be available OBSOLETE TI has discontinued the production of the device 2 Eco Plan The planned eco friendly classification Pb Free RoHS Pb Free RoHS Exempt or Green RoHS no Sb Br please check http www ti com productcontent for the latest availability information and additional product conten...

Page 15: ... better integrate information from third parties TI has taken and continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals TI and TI suppliers consider certain information to be proprietary and thus CAS numbers and other limited information may not be available for r...

Page 16: ... W mm Pin1 Quadrant OPA2277AIDRMT VSON DRM 8 250 180 0 12 4 4 25 4 25 1 15 8 0 12 0 Q2 OPA277AIDRMR VSON DRM 8 3000 330 0 12 4 4 25 4 25 1 15 8 0 12 0 Q2 OPA277AIDRMT VSON DRM 8 250 180 0 12 4 4 25 4 25 1 15 8 0 12 0 Q2 OPA4277UA 2K5 SOIC D 14 2500 330 0 16 4 6 5 9 0 2 1 8 0 16 0 Q1 PACKAGE MATERIALS INFORMATION www ti com 8 Apr 2013 Pack Materials Page 1 ...

Page 17: ...h mm Width mm Height mm OPA2277AIDRMT VSON DRM 8 250 210 0 185 0 35 0 OPA277AIDRMR VSON DRM 8 3000 367 0 367 0 35 0 OPA277AIDRMT VSON DRM 8 250 210 0 185 0 35 0 OPA4277UA 2K5 SOIC D 14 2500 367 0 367 0 38 0 PACKAGE MATERIALS INFORMATION www ti com 8 Apr 2013 Pack Materials Page 2 ...

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Page 27: ...esponsible for compliance with all legal regulatory and safety related requirements concerning its products and any use of TI components in its applications notwithstanding any applications related information or support that may be provided by TI Buyer represents and agrees that it has all the necessary expertise to create and implement safeguards which anticipate dangerous consequences of failur...

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