TB2173FTG ,Stereo headphone amplifierBlock Diagram (OCL Type) Tuner INMusic INV DDC-Cup OCL VOL PRE PRE VOL PRE C-SW GND IN2 OUT IN ..
TB2173FTG ,Stereo headphone amplifierFeatures with single source only (tuner mode): • Electronic volume Provides logic reset feature • L ..
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TB2173FTG
Stereo headphone amplifier
TB2173FTG TOSHIBA Bi-CMOS Integrated Circuit Silicon Monolithic
TB2173FTG 2-Source Stereo Headphone Amplifier
The TB2173FTG is a stereo headphone amplifier IC that can
accept two sources, developed for portable audio systems.
It is particularly ideal for digital portable audio systems having
built-in tuners.
Features Accepts headphone amplifier inputs from two sources Selectable headphone amplifier output: Output coupling or
OCL Incorporates beep circuit Incorporates power switch (controlled using port or command) Supports power muting (controlled using port or command) Features with single source only (tuner mode): Electronic volume
Provides logic reset feature Low-frequency boost (with AGC) Two port expansion circuits Operating supply voltage range: Ta = 25°C VDD (opr) = 1.8 to 4.5 V VCC1 (opr) = 1.8 to 4.5 V VCC2 (opr) = 0.9 to 4.5 V
Note: Use the device with VCC1 greater than or equal to VCC2. Handle the product with great care because its surge resistance is low. Ensure that the product is mounted correctly.
Otherwise, the product or connected equipment may get damaged or degrade.
Weight: 0.05 g (typ.)
Product indication: B2173G
