Features Description GMA103A is a monolithic IC that includes one independent op-amp and another op-amp, for which the non inverting input is wired to a 2.5V fixed Voltage Reference. This device is offering space and cost saving in many applications like power supply management or data acquisition systems. Low Input Offset Voltage : 0.5mV typ. Low Supply Current : 350A/op. (@ VCC = 5V) Medium Bandwidth (unity gain) : 0.9MHz Large Output Voltage Swing : 0V to (VCC - 1.5V) Input Common Mode Voltage Range Includes Ground Wide Power Supply Range : 3 to 32V 1.5 to 16V Application Fixed Output Voltage Reference 2.5V Battery Charger 0.4% and 1% Voltage Precision Switch Mode Power Supply Sink Current Capability : 1 to 100mA Linear Regulator Typical Output Impedance : 0.2W TYPICAL APPLICATIONS 8 1 OP1 2 - + 7 3 6 OP2 4 5 VRef GM 431 www.gammamicro.com GMA103A V0.1 + - 1 MARKING INFORMATION & PIN CONFIGURATIONS (Top View) SOP - 8 DIP - 8 Inverting Input 2 Non-Inverting Input 2 Output 2 Vcc+ 8 7 6 5 8 7 6 5 GMA103A AYWW GMA103A AYWW 1 2 3 4 Output 1 Inverting Input 1 Inverting Input 2 Non-Inverting Input 2 Output 2 Vcc+ 1 2 3 4 VccNon-Inverting Input 1 Output 1 Inverting Input 1 VccNon-Inverting Input 1 A = Assembly Location Y = Year W W = Weekly ORDERING INFORMATION Ordering Number Package Shipping GMA103AS8T SOP-8 100 Units / Tube GMA103AS8R SOP-8 2,500 Units / Tape & Reel GMA103AD8T DIP-8 60 Units / Tube GMA103A * For detail Ordering Number identification, please see last page. 2 ABSOLUTE MAXIMUM RATINGS Symbol Value Unit Supply Voltage VCC 36 V Differential Input Voltage Vid 36 V Input Voltage Vi -0.3 to +36 V Toper -40 to +105 C TJ 150 C Parameter Operating Temperature Range Maximum Junction Temperature ELECTRICAL CHARACTERISTICS Parameter Symbol Min. Typ. Max. Unit 1.2 mA Total Supply Current, Excluding Current in the Voltage Reference ICC 0.7 2 GM 431 GMA103A VCC+=5V, No load Tmin. < Tamb < Tmax. VCC+= 30V, No load Tmin. < Tamb < Tmax 3 OPERATOR 1 (Independent op- amp) VCC + = +5V, VCC = Ground, VO = 1.4V, Tamb = 25C (unless otherwise specified) Parameter Symbol Input Offset Voltage Tamb= 25C Tmin. Tamb Tmax. Input Offset Current Input Bias Current Tmin. Tamb Tmax. IIB Large Signal Voltage Gain VCC= 15V, RL= 2K, VO= 1.4V to 11.4V Tmin. Tamb Tmax. Avd GMA103A Tmin. Tamb Typ. Max. Unit 0.5 3 5 mV 7 V/ C 2 30 50 nA 20 150 200 nA DVIO IIO Input Common Mode Voltage Range VCC= +30V (Note 1) 4 VIO Input Offset Current Tmin. Tamb Tmax. Supply Voltage Rejection Ration VCC= 5V to 30V Min. SVR Vicm Tmax. Common Mode Rejection Ratio Tmin. Tamb Tmax. CMR Output Current Source VCC= +15V, VO= 2V, Vid= +1V Isource 50 25 100 65 100 V/ mV dB (VCC+) -1.5 (VCC+) -2 0 0 70 60 85 20 40 V dB mA Short Circuit Ground VCC= +15V Io Output Current Sink Vid= -1V VCC= +15V, VO= 2V Isink High Level Output Voltage VCC+= 30V Tamb= 25C, RL= 10K Tmin. Tamb Tmax. VOH Low Level Output Voltage RL= 10K Tmin. Tamb Tmax. VOL Slew Rate at Unity Gain Vi= 0.5 to 3V, VCC= 15V RL= 2K, CL= 100pF, unity gain SR 0.2 0.4 V/ s Gain Bandwidth Product VCC= 30V, RL= 2K, CL= 100pF, f= 100kHz, VIN= 10mV GBP 0.5 0.9 Mhz Total Harmonic Distortion f= 1kHz AV= 20dB, RL= 2K, VCC= 30V CL= 100pF, VO= 2Vpp THD 0.02 % 40 10 20 27 27 28 5 60 mA mA V 20 20 mV Note 1: The input common-mode voltage of either input signal voltage should not be allowed to go negative by more than 0.3V. The upper end of the common-mode voltage range is VCC + - 1.5V. But either of both inputs can go to +36V without damage. OPERATOR 2 (op-amp with non-inverting input connected to the internal Vref) VCC + = +5V, VCC = Ground, Tamb = 25C (unless otherwise specified) Input Offset Voltage Tamb= 25C Tmin. Tamb Tmax. Input Offset Current Symbol Min. VIO Typ. Max. Unit 0.5 3 5 mV 7 V/ C DVIO Input Bias Current Negative Input IIB Large Signal Voltage Gain Vicm= 0V VCC= 15V, RL= 2K Avd Supply Voltage Rejection Ration Vicm= 0V VCC= 5V to 30V SVR Output Current Source VO= 2V, VCC= +15V, Vid= +1V Isource nA 20 100 V/ mV 65 100 dB 20 40 mA Short Circuit Ground VCC= +15V Io Output Current Sink Vid= -1V VCC= +15V, VO= 2V Isink High Level Output Voltage VCC+= 30V Tamb= 25C, RL= 10K Tmin. Tamb Tmax. VOH Low Level Output Voltage RL= 10K Tmin. Tamb Tmax. VOL Slew Rate at Unity Gain Vi= 0.5 to 2V, VCC= 15V RL= 2K, CL= 100pF, unity gain SR 0.2 0.4 V/ s Gain Bandwidth Product VCC= 30V, RL= 2K, CL= 100pF, f= 100kHz, VIN= 10mV GBP 0.5 0.9 Mhz Total Harmonic Distortion f= 1kHz AV= 20dB, RL= 2K, VCC= 30V CL= 100pF, VO= 2Vpp THD 0.02 % 40 10 20 27 27 28 5 60 mA mA V 20 20 mV GM 431 GMA103A Parameter 5 VOLTAGE REFERENCE Parameter Cathode Current Symbol Value Unit IK 1 to 100 mA Parameter Reference Input Voltage Tamb= 25C Tmin. Tamb Tmax. GMA103A Min. Typ. Max. Unit Vref 2.49 2.48 2.5 2.51 2.52 V 5 24 Reference Input Voltage Deviation Over Temperature Range VKA= Vref, IK= 10mA Tmin. Tamb Tmax. DVref Minimum Cathode Current for Regulation VKA= Vref Imin 0.5 1 mA Dynamic Impedance (Note 1) VKA= Vref, DIK= 1 to 100mA, f < 1kHz | Z KA | 0.2 0.5 W Note 1: The dynamic impedance is defined as | Z KA | = DV KA / DI K 6 Symbol mV SOP-8 PACKAGE OUTLINE DIMENSIONS 4.87 0~5 1.05 Ref +0.08 -0.05 0.700 0.15 Pad Layout 0.060 1.52 0.375 X 45 0.16 0.06 5.99 0.15 1.61 0.11 3.86 +0.10 -0.05 0.275 0.155 7.0 4.0 PIN INDENT 0.024 0.050 0.6 1.270 1.27 BAIC Inches ( mm ) 1.61 0.11 Unit: mm DIP-8 PACKAGE OUTLINE DIMENSIONS 0.252 0.005 6.401 0.127 0.300 0.010 7.62 0.254 0.010 NOM 0.254 NOM 0.355 0.020 9.017 0.508 0.130 0.005 3.302 0.127 0.170 MAX 0.015 MIN 4.318 MAX 0.381 MIN 0.130 0.010 3.302 0.254 0.018 TYP 0.457 TYP 0.060 TYP 1.524 TYP 0.100 TYP 2.540 TYP Inches ( mm ) GMA103A 0.362 0.005 9.195 0.127 7 ORDERING NUMBER GMA 103 A S8 R Gamma Micro. Shipping T: Tube R: Tape & Reel Circuit Type Package S8: SOP-8 D8: DIP-8 GMA103A A Version 8 9 GMA103A