●The SGM89000 is a 2Vrms pop/click-free stereo line driver designed to allow the removal of the output DC-blocking capacitors for reduced component count and cost. The device is ideal for single supply electronics where size and cost are critical design parameters.
●The SGM89000 is capable of driving 2Vrms into a 2.5kΩ load with 3.3V supply voltage. The device has differential inputs and uses external gain setting resistors that supports a gain range of ±1V/V to ±10V/V. The use of external gain resistors also allows the implementation of a 2nd-order low pass filter to compliment DAC"s and SOC converters. The SGM89000 has build-in shutdown control for pop/click-free on/off control.
●Using the SGM89000 in audio products can reduce component count compared to traditional methods of generating a 2Vrms output. The SGM89000 doesn"t require a power supply greater than 3.3V to generate a 5.6VPP output, nor does the device require a split rail power supply. The SGM89000 integrates a charge pump to generate a negative supply rail that provides a clean, pop/click-free ground-biased 2Vrms output.
●The SGM89000 is available in Green TSSOP-14 package. It operates over an ambient temperature range of -40℃ to +85℃.
●FEATURES
●• Capless Structure
● Eliminates Pop/Clicks
● Eliminates Output DC-Blocking Capacitors
● Provides Flat Frequency Response from DC to 20kHz
●• Low Noise and THD
● Typical SNR = 114dB
● Typical VN = 5.5μVrms
● Typical THD+N = 0.001% (f = 1kHz)
●• 2Vrms Output Voltage into 2.5kΩ Load with 3.3V
● Supply Voltage
●• Differential Input
Part 3D Model
