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Product Detailed Parameters
- Description：4 CHANNEL HDA CODEC, CLASS D, I-
- Series：-
- Mfr：Tempo Semiconductor, Inc.
- Package：Tray
- Type：Audio, HD
- Data Interface：I2S, HDA, S/PDIF
- Resolution (Bits)：24 b
- Sigma Delta：No
- S/N Ratio, ADCs / DACs (db) Typ：-
- Dynamic Range, ADCs / DACs (db) Typ：94 / 98
- Voltage - Supply, Analog：4.75V ~ 5.25V
- Voltage - Supply, Digital：3.135V ~ 3.465V
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：40-VFQFN Exposed Pad
- Supplier Device Package：40-VFQFPN (5x5)
- Grade：-
- Qualification：-
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Overview
The Tempo Semiconductor 92HD99B4X5NDGIWCX is a single-chip PC audio system featuring a low-power, high-fidelity 4-channel audio codec with integrated Class-D stereo BTL speaker amplifier, capless headphone amplifier, and LDO. It provides 24-bit resolution at conversion rates up to 192 kHz. The device includes 2 ADCs and 2 DACs, operating within a supply voltage range of 3.135 V to 5.25 V. It supports full-duplex stereo audio, simultaneous VoIP, and digital microphone inputs. The component is housed in a 40-pad QFN package and operates across commercial and industrial temperature ranges.
Feature Summary
- Integrated Class-D stereo BTL speaker amplifier delivering 2W output at 4 ohms and 5V
- Capless headphone amplifier utilizing charge pump/LDO technology
- Full HDA015-B low power support enabling rapid transitions between D0 and D3 states
- Hardware parametric equalizer and compressor limiter for audio optimization
Applications
- Notebook computer audio systems
- Business desktop PC audio platforms
- High-definition audio applications requiring low power consumption
Procurement Notes
Verify the specific ordering suffix against official datasheets to confirm temperature range and package variations. Confirm RoHS compliance status through manufacturer documentation before integration. Ensure moisture sensitivity handling protocols are followed during assembly due to the QFN package type.
Selection Notes
Select this component for designs requiring high integration of codec, amplifier, and headphone driver functions. Evaluate the 24-bit resolution and 192 kHz sample rate requirements against application needs. Consider the internal LDO and capless HP capabilities to reduce external component count and PCB footprint.
Part Context
This part belongs to the 92HD99 series of single-chip audio systems from Tempo Semiconductor. The series focuses on providing complete audio solutions for portable and desktop computing devices by combining multiple analog and digital audio functions into a compact form factor.
Replacement Considerations
Consult official substitution lists for compatible parts within the 92HD99 family or other Tempo Semiconductor codecs. Verify pin compatibility and electrical specifications before replacing.
