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AS1713 Datasheet(PDF) 2 Page - ams AG |
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AS1713 Datasheet(HTML) 2 Page - ams AG |
2 / 17 page AS1713 Difference Amplifier, 10MHz, 10V/µs, Rail-to-Rail I/O with Shutdown www.austriamicrosystems.com/Audio/OpAmps/AS1713 Revision 1.03 1 - 16 Data sheet 1 General Description The AS1713 is a low cost cmos difference amplifier providing extended common mode voltage range for a single rail 5V supply. Resistor trimming during final test ensures a typical common mode rejection of 60dB. Low input bias currents, 10MHz gain bandwidth, low total harmonic distortion (THD) and a rail-to-rail output drive capability of typically 200mA (@ 5V supply) provide support for a number of signal processing applications such as audio line receiv- ers, ground loop breakers and current sensing. Linearity is suitable for 12bit ADC measurement. A classical single amplifier approach ensures that the differential gain is determined by a simple ratio of two internal resistors. A fixed gain of x1 is available. Single ended input resistance is equalised (10k Ω ±20%) at each input terminal. This feature provides additional common mode rejec- tion when long balanced input cables connect at the input. A EN pin reduces the quiescent current of the device. 2 Key Features Constant Output Drive Capability: 50mA Rail-to-Rail Input and Output Supply Current: 1.6mA Single-Supply Operation: 2.7 to 5.5V Voltage Gain: 1 Gain-Bandwidth Product: 10MHz High Slew Rate: 10V/µs Power-Supply Rejection Ratio: 70dB Common Mode Rejection Ratio: 60dB No Phase Reversal for Overdriven Inputs Unity-Gain Stable for Capacitive Loads: Up to 100pF Shutdown Mode Current: 1nA MLPD (2x2mm) 8-pin package 3 Applications The device is ideal for headphone amplifiers with ground interfer- ence rejection, infotainment high drive audio line buffers with ground interference rejection, audio differential-to-single-ended conversion and instrumentation amplifier back-end. Figure 1. AS1713 - Block Diagram SENSE OUT REF INN EN INP VDD VSS + – AS1713 R1 R2 R3 R4 |
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