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 : 350µA/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 = 25°C (unless otherwise specified) Parameter Symbol Input Offset Voltage Tamb= 25°C 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 µV/ °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= 25°C, 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/ µs 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 = 25°C (unless otherwise specified) Input Offset Voltage Tamb= 25°C Tmin. Tamb Tmax. Input Offset Current Symbol Min. VIO Typ. Max. Unit 0.5 3 5 mV 7 µV/ °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= 25°C, 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/ µs 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= 25°C 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