Datasheet 搜索 > DA转换器 > TI（德州仪器） > PCM1796DBR 数据手册 > PCM1796DBR 其他数据使用手册 1/61 页
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PCM1796DBR 其他数据使用手册 - TI（德州仪器）
制造商:
TI（德州仪器）
分类:
DA转换器
封装:
SSOP-28
描述:
123dB SNR 立体声 DAC（软件控制） 28-SSOP -25 to 85
Pictures:
3D模型
符号图
焊盘图
引脚图
产品图
页面导航:
引脚图在P5P38P41Hot
典型应用电路图在P33
原理图在P7
封装尺寸在P56P58P59
型号编码规则在P2
标记信息在P2P56
封装信息在P2P56P57P58P59
功能描述在P18P32
技术参数、封装参数在P2
应用领域在P1P61
电气规格在P2P3P4P5
导航目录
PCM1796DBR数据手册
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SLES100A − DECEMBER 2003 − REVISED NOVEMBER 2006
FEATURES
D 24-Bit Resolution
D Analog Performance:
− Dynamic Range: 123 dB
− THD+N: 0.0005%
D Differential Current Output: 4 mA p-p
D 8× Oversampling Digital Filter:
− Stop-Band Attenuation: –98 dB
− Pass-Band Ripple: ±0.0002 dB
D Sampling Frequency: 10 kHz to 200 kHz
D System Clock: 128, 192, 256, 384, 512, or
768 f
S
With Autodetect
D Accepts 16-, 20-, and 24-Bit Audio Data
D PCM Data Formats: Standard, I
2
S, and
Left-Justified
D DSD Format Interface Available
D Interface Available for Optional External
Digital Filter or DSP
D TDMCA or Serial Port (SPI/I
2
C)
D User-Programmable Mode Controls:
− Digital Attenuation: 0 dB to –120 dB,
0.5 dB/Step
− Digital De-Emphasis
− Digital Filter Rolloff: Sharp or Slow
− Soft Mute
− Zero Flag for Each Output
D Compatible With PCM1792 (Pins and Mode
Controls)
D Dual Supply Operation:
− 5-V Analog, 3.3-V Digital
D 5-V Tolerant Digital Inputs
D Small 28-Lead SSOP Package
APPLICATIONS
D A/V Receivers
D SACD Players
D DVD Players
D HDTV Receivers
D Car Audio Systems
D Digital Multitrack Recorders
D Other Applications Requiring 24-Bit Audio
DESCRIPTION
The PCM1796 is a monolithic CMOS integrated circuit that
includes stereo digital-to-analog converters and support
circuitry in a small 28-lead SSOP package. The data
converters use TI’s advanced segment DAC architecture
to achieve excellent dynamic performance and improved
tolerance to clock jitter. The PCM1796 provides balanced
current outputs, allowing the user to optimize analog
performance externally. The PCM1796 accepts PCM and
DSD audio data formats, providing easy interfacing to
audio DSP and decoder chips. The PCM1796 also
interfaces with external digital filter devices (DF1704,
DF1706, PMD200). Sampling rates up to 200 kHz are
supported. A full set of user-programmable functions is
accessible through an SPI or I
2
C serial control port, which
supports register write and readback functions. The
PCM1796 also supports the time division multiplexed
command and audio (TDMCA) data format.
This integrated circuit can be damaged by ESD. Texas Instruments recommends that all integrated circuits be handled with appropriate
precautions. Failure to observe proper handling and installation procedures can cause damage.
ESD damage can range from subtle performance degradation to complete device failure. Precision integrated circuits may be more susceptible to
damage because very small parametric changes could cause the device not to meet its published specifications.
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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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Copyright 2006, Texas Instruments Incorporated
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