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| 型號： | PCM4108PAPT |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | HIGH-PERFORMANCE, 24-BIT, 216kHz SAMPLING, EIGHT-CHANNEL AUDIO DIGITAL-TO-ANALOG CONVERTER |
| 中文描述： | 高性能，24位，216kHz的最大采樣，八聲道音頻數(shù)字模擬轉(zhuǎn)換器 |
| 文件頁數(shù)： | 1/39頁 |
| 文件大?。?/td> | 551K |
| 代理商： | PCM4108PAPT |
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FEATURES
Eight High-Performance, Multi-Level,
Delta-Sigma Digital-to-Analog Converters
Differential Voltage Outputs:
Full-Scale Output (Differential): 6.15V
PP
Supports Sampling Frequencies up to 216kHz
Typical Dynamic Performance (24-Bit Data):
Dynamic Range (A-Weighted): 118dB
THD+N: 100dB
Linear Phase, 8x Oversampling Digital
Interpolation Filter
Digital De-Emphasis Filters for 32kHz,
44.1kHz, and 48kHz Sampling Rates
Soft Mute Function:
All-Channel Mute via the MUTE Input Pin
Per-Channel Mute Available in Software
Mode
Digital Attenuation (Software Mode Only):
Attenuation Range: 0dB to 119.5dB
256 Steps with 0.5dB per Step
Output Phase Inversion (Software Mode Only)
Zero Data Mute (Software Mode Only)
Audio Serial Port:
Supports Left-Justified, Right-Justified,
I
2
S , and TDM Data Formats
Accepts 16-, 18-, 20, and 24-Bit Two’s
Complement PCM Audio Data
Standalone or Software-Controlled
Configuration Modes
Five-Wire Serial Peripheral Interface (SPI )
Port Provides Control Register Access in
Software Mode
Power Supplies: +5V Analog, +3.3V Digital
Power Dissipation:
406mW typical with f
S
= 48kHz
440mW typical with f
S
= 96kHz
472mW typical with f
S
= 192kHz
Power-Down Modes
64-Lead HTQFP Package
APPLICATIONS
Digital Mixing Consoles
Digital Audio Workstations
Digital Audio Effects Processors
Broadcast Studio Equipment
Surround-Sound Processors
High-End A/V Receivers
DESCRIPTION
The PCM4108 is a high-performance, eight-channel
digital-to-analog (D/A) converter designed for use in
professional audio applications. The PCM4108 supports
16- to 24-bit linear PCM input data, with sampling
frequencies up to 216kHz. The PCM4108 features lower
power consumption, making it ideal for use in high channel
count applications by lowering the overall power budget
required for the D/A conversion sub-system.
The
architecture, followed by a switched capacitor output filter.
This architecture yields lower out-of-band noise and a high
tolerance to system clock phase jitter. Differential voltage
outputs are provided for each channel and are well-suited
to high-performance audio applications. The differential
outputs are easily converted to a single-ended output
using an external op amp IC.
PCM4108
features
a
multi-bit
delta-sigma
The PCM4108 includes a flexible audio serial port
interface, which supports standard and time division
multiplexed (TDM) formats. In addition, the PCM4108
offers two configuration modes: Standalone and
Software-Controlled. The Standalone mode provides
dedicated control pins for configuring a subset of the
available PCM4108 functions, while Software mode
utilizes a serial peripheral interface (SPI) port for
accessing the complete feature set via internal control
registers.
The PCM4108 operates from a +5V analog power supply
and a +3.3V digital power supply. The digital I/O is
compatible with +3.3V logic families. The PCM4108 is
available in a 64-lead HTQFP package.
P
All trademarks are the property of their respective owners.
PCM4108
SBAS354 JUNE 2005
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www.ti.com
Copyright
2005, Texas Instruments Incorporated
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments
semiconductor products and disclaimers thereto appears at the end of this data sheet.
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