PCM1795DBR

更新时间： 2024-09-25 05:59:55

品牌	Logo	应用领域
德州仪器 - TI		转换器数模转换器光电二极管
页数	文件大小	规格书
58页	924K
描述
32-Bit, 192-kHz Sampling, Advanced Segment, Stereo Audio Digital-to-Analog Converter

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技术参数
数据手册
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PCM1795DBR 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Active	零件包装代码：	SSOP
包装说明：	SSOP-28	针数：	28
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	Factory Lead Time：	1 week
风险等级：	1.2	Is Samacsys：	N
转换器类型：	D/A CONVERTER	输入位码：	2'S COMPLEMENT BINARY
输入格式：	SERIAL	JESD-30 代码：	R-PDSO-G28
JESD-609代码：	e4	长度：	10.2 mm
湿度敏感等级：	1	位数：	32
功能数量：	1	端子数量：	28
最高工作温度：	85 °C	最低工作温度：	-25 °C
封装主体材料：	PLASTIC/EPOXY	封装代码：	SSOP
封装等效代码：	SSOP28,.3	封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE, SHRINK PITCH	峰值回流温度（摄氏度）：	260
电源：	3.3,5 V	认证状态：	Not Qualified
座面最大高度：	2 mm	子类别：	Other Converters
最大压摆率：	23 mA	标称供电电压：	5 V
表面贴装：	YES	技术：	CMOS
温度等级：	OTHER	端子面层：	Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式：	GULL WING	端子节距：	0.65 mm
端子位置：	DUAL	处于峰值回流温度下的最长时间：	NOT SPECIFIED
宽度：	5.3 mm	Base Number Matches：	1

PCM1795DBR 数据手册

PCM1795

www.ti.com ........................................................................................................................................................................................................ SLES248–MAY 2009

32-Bit, 192-kHz Sampling, Advanced Segment,

Stereo Audio Digital-to-Analog Converter

FEATURES

APPLICATIONS

•

A/V Receivers

SACD Players

DVD Players

HDTV Receivers

Car Audio Systems

Digital Multitrack Recorders

Other Applications Requiring 32-Bit Audio

234567

• 32-Bit Resolution

•

Analog Performance:

–

Dynamic Range: 123 dB

THD+N: 0.0005%

•

Differential Current Output: 3.9 mA_PP

8× Oversampling Digital Filter:

–

Stop Band Attenuation: –98 dB

Passband Ripple: ±0.0002 dB

DESCRIPTION

•

Sampling Frequency: 10 kHz to 200 kHz

The PCM1795 is a monolithic CMOS integrated

circuit

System Clock: 128, 192, 256, 384, 512, or

768 f_SWith Autodetect

that

includes

stereo

digital-to-analog

converters (DACs) and support circuitry in a small

SSOP-28 package. The data converters use TI’s

advanced segment DAC architecture to achieve

excellent dynamic performance and improved

tolerance to clock jitter. The PCM1795 provides

balanced current outputs, allowing the user to

optimize analog performance externally. The

PCM1795 accepts pulse code modulation (PCM) and

direct stream digital (DSD) audio data formats,

providing an easy interface to audio digital signal

processors (DSPs) and decoder chips. The PCM1795

also interfaces with external digital filter devices such

as the DF1704, DF1706, and the PMD200 from

Pacific Microsonics™. Sampling rates up to 200 kHz

are supported. A full set of user-programmable

functions is accessible through an SPI or I²C serial

control port that supports register write and readback

functions. The PCM1795 also supports the

time-division-multiplexed (TDM) command and audio

(TDMCA) data format.

•

Accepts 16-, 24-, and 32-Bit Audio Data

PCM Data Formats: Standard, I²S™, and

Left-Justified

•

DSD Format Interface Available

Interface Available for Optional External Digital

Filter or DSP

TDMCA or Serial Port (SPI™/I²C™)

•

User-Programmable Mode Controls:

–

Digital Attenuation: 0 dB to –120 dB,

0.5-dB/Step

–

Digital De-Emphasis

Digital Filter Roll-Off: Sharp or Slow

Soft Mute

Zero Flag for Each Output

•

Compatible With PCM1792A and PCM1796

(Pins and Mode Controls)

Dual Supply Operation:

–

5-V Analog, 3.3-V Digital

•

5-V Tolerant Digital Inputs

Small SSOP-28 Package

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.

System Two, Audio Precision are trademarks of Audio Precision, Inc.

SPI is a trademark of Motorola.

I2S, I2C are trademarks of NXP Semiconductors.

Pacific Microsonics is a trademark of Pacific Microsonics, Inc.

Super Audio CD is a trademark of Sony Corporation.

All other trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...58

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PCM1795DBR 替代型号

型号	品牌	替代类型	描述	数据表
PCM1795DB	TI	完全替代	32-Bit, 192-kHz Sampling, Advanced Segment, Stereo Audio Digital-to-Analog Converter
PCM1792ADB	TI	类似代替	132dB SNR 最高性能立体声 DAC（软件控制） \| DB \| 28 \| -25 t
PCM1792ADBR	TI	类似代替	132dB SNR 最高性能立体声 DAC（软件控制） \| DB \| 28 \| -25 t

与PCM1795DBR相关器件

型号	品牌	获取价格	描述	数据表
PCM1796	BB	获取价格	24BIT 192 KHZ SAMPLING ADVANCED SEGMENT AUDIO STEREO DIGITAL TO ANALOG CONVERTER
PCM1796	TI	获取价格	123dB SNR 立体声 DAC（软件控制）
PCM1796_06	BB	获取价格	24-BIT, 192-kHz SAMPLING, ADVANCED SEGMENT, AUDIO STEREO DIGITAL-TO-ANALOG CONVERTER
PCM1796DB	BB	获取价格	24BIT 192 KHZ SAMPLING ADVANCED SEGMENT AUDIO STEREO DIGITAL TO ANALOG CONVERTER
PCM1796DB	TI	获取价格	123dB SNR 立体声 DAC（软件控制） \| DB \| 28 \| -25 to 85
PCM1796DBR	BB	获取价格	24BIT 192 KHZ SAMPLING ADVANCED SEGMENT AUDIO STEREO DIGITAL TO ANALOG CONVERTER
PCM1796DBR	TI	获取价格	123dB SNR 立体声 DAC（软件控制） \| DB \| 28 \| -25 to 85
PCM1796DBRG4	TI	获取价格	SERIAL INPUT LOADING, 24-BIT DAC, PDSO28, GREEN, PLASTIC, SSOP-28
PCM1798	TI	获取价格	24-BIT, 192-KHZ SAMPLING ADVANCED SEGMENT, AUDIO STEREO DIGITAL TO ANALOG CONVERTER
PCM1798DB	TI	获取价格	24-BIT, 192-KHZ SAMPLING ADVANCED SEGMENT, AUDIO STEREO DIGITAL TO ANALOG CONVERTER

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