Description
92HD91B2X5NLGIWCX8 Tempo Semiconductor IC CODECs 24 bit 192 kHz Audio CODEC, Low Power 5.25V QFN-48 Reel, Cut Tape
Type: Audio CODEC, Low Power
Resolution: 24 bit
Conversion Rate: 192 kHz
Number of ADC: 2 ADC
Number of DAC: 2 DAC
Supply Voltage-Max: 5.25V
Supply Voltage-Min: 3.135V
Operating Temperature: – 40 C to + 85 C
Mounting Style: SMD/SMT
Package / Case: QFN-48
RoHS Compliant
The 92HD91 single-chip audio system is a low power optimized, high fidelity, 4-channel audio codec with integrated speaker amplifier, capless headphone amplifier, and low drop out voltage regulator.
Features
• 4 Channels (2 stereo DACs and 2 stereo ADCs) with
24-bit resolution
• Supports full-duplex stereo audio and simultaneous VoIP
• Provides a mono output
• 2.1 audio crossover support
• 3W/channel Class-D stereo BTL speaker amplifier
@ 4 ohms and 5V
• 10 band hardware parametric equalizer
• Hardware compressor limiter
• Capless headphone amplifier with charge
pump/LDO
• Combo Jack Support allowing for dual-function
headphone and headset detection
• Speaker Protection
• Dedicated BTL high pass filter
• Mono bandpass filter
• Full HDA015-B low power support
• Internal digital core LDO voltage regulator
• Microsoft WLP desktop premium logo compliant
• Dual SPDIF for WLP compliant support of
simultaneous HDMI and SPDIF output
• Support for 1.5V and 3.3V HDA signaling
• Two digital microphone inputs (mono, stereo, or
quad microphones)
• Microphone Mute Input (on WB revisions and
beyond)
• High performance analog mixer
• 2 adjustable VREF Out pins for analog microphone
bias
• 6 analog ports with port presence detect (5 single
ended, 1 BTL)
• Analog and digital PC Beep support
• AUX Audio Mode for playback and record
• 48-pad QFN RoHS packages in Commercial and
Industrial Temperature Ranges
Datasheet: Tempo 92HD91 Rev1_6





