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| NJM2146B VOLTAGE AND CURRENT CONTROL IC GENERAL DESCRIPTION The NJM2146B is a voltage and current control IC which contains single-supply low offset voltage OP-AMP (2mV max.), low operating OP-AMP, and precision voltage reference. It is suitable for battery charger, second controller of switching regulator systems, and other battery systems. PACKAGE OUTLINE NJM2146BD NJM2146BM FEATURES Operating Voltage Internal Precision Voltage Reference PC Terminal Current Operating Current Bipolar Technology Package Outline (2.5V to 18V) (1.5V1%) (60mA max.) (3mA max.) DIP8, DMP8, VSP8 NJM2146BR PIN CONFIGURATION PIN FUNCTION 1. PC 2. A-INPUT 3. A+INPUT 4. GND 5. B+INPUT 6. B-INPUT 7. VREF 8. V+ ABSOLUTE MAXIMUM RATINGS PARAMETER Supply Voltage Differential Input Voltage Power Dissipation PC Terminal Current Operating Temperature Range Storage Temperature Range SYMBOL V + (Ta=25C) RATINGS 20 (Ach) (Bch) (DIP8) (DMP8) (VSP8) 60 -40 to 85 -50 to 150 20 4 500 300 320 UNIT V V mW mA C C VID PD IPC Topr Tstg (note) When the supply voltage is less than 20V, the absolute maximum input voltage is equal to the supply voltage. RECOMMENDED OPERATING CONDITIONS PARAMETER Operating Voltage SYMBOL Vopr RATINGS 2.5 to 18 (Ta=25C) UNIT V Ver.2003-07-18 -1- NJM2146B ELECTRICAL CHARACTERISTICS PARAMETER Operating Current Leakage Current Saturation Voltage Reference Voltage Reference Voltage Load Regulation [Ach] PARAMETER Input Offset Voltage Input Offset Current Input Bias Current Large Signal Voltage Gain Input Common Mode Voltage Range Common Mode Rejection Ratio Supply Voltage Rejection Ratio Slew Rate Gain Bandwidth Product [Bch] PARAMETER Input Offset Voltage Input Offset Current Input Bias Current Large Signal Voltage Gain Input Common Mode Voltage Range Common Mode Rejection Ratio Supply Voltage Rejection Ratio Slew Rate Gain Bandwidth Product SYMBOL VIO IIO IB AV VICM CMR SVR SR GB AV=1, VIN=2.5V1V f=10kHz CONDITIONS MIN. 1.0 to 4.4 TYP. 1 10 100 80 90 80 0.5 1 MAX. 6 50 300 UNIT mV nA nA dB V dB dB V / s MHz SYMBOL VIO IIO IB AV VICM CMR SVR SR GB f=10kHz CONDITIONS MIN. 0 to 3 TYP. 0.5 5 80 80 90 80 0.8 2 MAX. 2 50 250 UNIT mV nA nA dB V dB dB V / s MHz SYMBOL ICC IPCLEAK VPC(SAT) VREF VREF/IREF IPC=off V =VPC=20V IPC=50mA IREF=0mA IREF=0 to 5mA + (V+=5V, Ta=25C) CONDITIONS MIN. 1485 TYP. 1 0.5 1500 MAX. 3 100 0.7 1515 30 UNIT mA A V mV mV TYPICAL APPLICATION -2- Ver.2003-07-18 NJM2146B TYPICAL CHARACTERISTICS Ach Voltage Gain, Phase Margin vs. Frequency Bch Voltage Gain, Phase Margin vs. Frequency Operating Current vs. Operating Voltage Reference Voltage vs. Operating Voltage Saturation Voltage vs. PC Terminal Current Reference Voltage vs. 7pin Output Current Ver.2003-07-18 -3- NJM2146B TYPICAL CHARACTERISTICS Operating Current vs. Temperature Saturation Voltage vs. Temperature Reference Voltage vs. Temperature Input Offset Voltage vs. Temperature Input Offset Current vs. Temperature Input Bias Current vs. Temperature -4- Ver.2003-07-18 NJM2146B [CAUTION] The specifications on this databook are only given for information , without any guarantee as regards either mistakes or omissions. The application circuits in this databook are described only to show representative usages of the product and not intended for the guarantee or permission of any right including the industrial rights. Ver.2003-07-18 -5- |
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