AD1854JRSRL

更新时间： 2024-01-09 05:38:52

品牌	Logo	应用领域
亚德诺 - ADI		转换器数模转换器光电二极管
页数	文件大小	规格书
12页	381K
描述
Stereo, 96 kHz, Multibit DAC

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AD1854JRSRL 技术参数

是否无铅：	含铅	是否Rohs认证：	不符合
生命周期：	End Of Life	零件包装代码：	SSOP
包装说明：	SSOP-28	针数：	28
Reach Compliance Code：	not_compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.57
最大模拟输出电压：	2.8 V	最小模拟输出电压：	-2.8 V
转换器类型：	D/A CONVERTER	输入位码：	2'S COMPLEMENT
输入格式：	SERIAL	JESD-30 代码：	R-PDSO-G28
JESD-609代码：	e0	长度：	10.2 mm
湿度敏感等级：	1	位数：	24
功能数量：	2	端子数量：	28
最高工作温度：	70 °C	最低工作温度：
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）：	240
电源：	5 V	认证状态：	Not Qualified
座面最大高度：	2 mm	子类别：	Other Converters
标称供电电压：	5 V	表面贴装：	YES
技术：	CMOS	温度等级：	COMMERCIAL
端子面层：	Tin/Lead (Sn85Pb15)	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：	30	宽度：	5.3 mm
Base Number Matches：	1

AD1854JRSRL 数据手册

Stereo, 96 kHz, Multibit ꢀꢁ DAC

AD1854

PRODUCT OVERVIEW

FEATURES

The AD1854 is a high performance, single-chip stereo, audio

DAC delivering 113 dB Dynamic Range and 112 dB SNR

(A-weighted—not muted) at 48 kHz sample rate. It is comprised

of a multibit sigma-delta modulator with dither, continuous

time analog filters and analog output drive circuitry. Other features

include an on-chip stereo attenuator and mute, programmed

through an SPI-compatible serial control port. The AD1854

is fully compatible with current DVD formats, including 96 kHz

sample frequency and 24 bits. It is also backwards compatible

by supporting 50 µs/15 µs digital de-emphasis intended for

“redbook” 44.1 kHz sample frequency playback from com-

pact discs.

5 V Stereo Audio DAC System

Accepts 16-/18-/20-/24-Bit Data

Supports 24 Bits and 96 kHz Sample Rate

Multibit Sigma-Delta Modulator with “Perfect Differential

Linearity Restoration” for Reduced Idle Tones and

Noise Floor

Data Directed Scrambling DAC—Least Sensitive to Jitter

Differential Output for Optimum Performance

113 dB Dynamic Range at 48 kHz Sample Rate

(AD1854KRS)

112 dB Signal-to-Noise at 48 kHz Sample Rate

(AD1854KRS)

–101 THD+N (AD1854KRS)

The AD1854 has a very simple but very flexible serial data input

port that allows for glueless interconnection to a variety of ADCs,

DSP chips, AES/EBU receivers and sample rate converters.

The AD1854 can be configured in left-justified, I²S, and right-

justified. The AD1854 accepts serial audio data in MSB first,

twos-complement format. A power-down mode is offered to mini-

mize power consumption when the device is inactive. The AD1854

operates from a single 5 V power supply. It is fabricated on a single

monolithic integrated circuit and housed in a 28-lead SSOP

package for operation over the temperature range 0°C to 70°C.

On-Chip Volume Control with 1024 Steps

Hardware and Software Controllable Clickless Mute

Zero Input Flag Outputs for Left and Right Channels

Digital De-Emphasis Processing

Supports 256 ꢂ F_Sor 384 ꢂ F_SMaster Mode Clock

Switchable Clock Doubler

Power-Down Mode Plus Soft Power-Down Mode

Flexible Serial Data Port with Right-Justified, Left-

Justified, and I²S-Compatible

28-Lead SSOP Plastic Package

APPLICATIONS

DVD, CD, Set-Top Boxes, Home Theater Systems,

Automotive Audio Systems, Sampling Musical

Keyboards, Digital Mixing Consoles, Digital Audio

Effects Processors

FUNCTIONAL BLOCK DIAGRAM

96/48F

CLOCK

DIGITAL CLOCK

CONTROL DATA

INPUT

SUPPLY

VOLUME

MUTE

CLOCK

CIRCUIT

SERIAL CONTROL

INTERFACE

VOLTAGE

REFERENCE

AD1854

8 ꢂ F

INTERPOLATOR

MULTIBIT SIGMA-

OUTPUT

BUFFER

ATTEN/

MUTE

DAC

DELTA MODULATOR

SERIAL

DATA

INTERFACE

16-/18-/20-/24-BIT

DIGITAL

ANALOG

OUTPUTS

8 ꢂ F

DATA INPUT

OUTPUT

BUFFER

MULTIBIT SIGMA-

DELTA MODULATOR

ATTEN/

MUTE

INTERPOLATOR

SERIAL

MODE

PD/RST

MUTE

DE-EMPHASIS

ANALOG

SUPPLY

ZERO

FLAG

REV. A

Information furnished by Analog Devices is believed to be accurate and

reliable. However, no responsibility is assumed by Analog Devices for its

use, nor for any infringements of patents or other rights of third parties

which may result from its use. No license is granted by implication or

otherwise under any patent or patent rights of Analog Devices.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781/329-4700

Fax: 781/326-8703

World Wide Web Site: http://www.analog.com

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