HiFi stereo/mono infrared transmitter TSH512

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  • Model: TSH512
Supply voltage: 2.3V to 5.5V
n Carriers frequency range: 0.4 to 11 MHz
n High versatility: I/O pins for each section
n Two FM transmitters for stereo
n Sinusoidal carriers for high spectral purity
n Micro or line level preamplifiers with ALC
n VOX function to save on battery power
n Transmitter 2 Standby for mono operation
DESCRIPTION
The TSH512 is a 0.4 to 11 MHz dual FM transmitter.
Access pins to each section give a high versatility
and allow several applications: stereo headphone,
multimedia headset, audio sub-carrier
generator.
The TSH512 integrates in one chip:
Low-noise audio preamplifiers with ALC (Automatic
Level Control), frequency modulated oscillators,
and linear output buffers to drive external transistors.
The sinusoidal carriers facilitates the filtering
and allows high performance audio transmission.
The VOX (Voice Operated Transmit) circuitry disables
the output buffer when there is no audio to
save battery power.
For MONO applications, the STAND-BY pin enables
one transmitter only, reducing the supply
current.
The TSH512 forms a chipset with the dual receiver
TSH511.
APPLICATIONS
n Infrared HiFi stereo transmitter
n Infrared Headsets
n Stereo sub-carrier for video transmitters
n Voice operated wireless webcams
n FM IF transmit systems
ORDER CODE
PACKAGE
PIN CONNECTION (top view)
Part Number Temperature
Range Package Conditionning Marking
TSH512CF 0°C to +70°C TQFP44 Tray TSH512C
TSH512CFT 0°C to +70°C TQFP44 Tape & reel TSH512C
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