Datasheet > AD1866R-REEL

AD1866R-REEL

更新时间： 2024-02-13 00:25:48

品牌	Logo	应用领域
罗彻斯特 - ROCHESTER		输入元件光电二极管转换器
页数	文件大小	规格书
13页	871K
描述
SERIAL INPUT LOADING, 16-BIT DAC, PDSO16, PLASTIC, SOIC-16

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技术参数
数据手册

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AD1866R-REEL 技术参数

是否无铅：	含铅	是否Rohs认证：	不符合
生命周期：	Active	零件包装代码：	SOIC
包装说明：	SOP,	针数：	16
Reach Compliance Code：	unknown	风险等级：	5.38
最大模拟输出电压：	1 V	最小模拟输出电压：	-1 V
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-G16
JESD-609代码：	e0	长度：	10.3 mm
湿度敏感等级：	1	位数：	16
功能数量：	1	端子数量：	16
最高工作温度：	85 °C	最低工作温度：	-35 °C
封装主体材料：	PLASTIC/EPOXY	封装代码：	SOP
封装形状：	RECTANGULAR	封装形式：	SMALL OUTLINE
峰值回流温度（摄氏度）：	240	认证状态：	COMMERCIAL
座面最大高度：	2.65 mm	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：	TIN LEAD
端子形式：	GULL WING	端子节距：	1.27 mm
端子位置：	DUAL	处于峰值回流温度下的最长时间：	30
宽度：	7.6 mm	Base Number Matches：	1

AD1866R-REEL 数据手册

Definition of Specifications–AD1866

TO TAL H ARMO NIC D ISTO RTIO N + NO ISE

T otal harmonic distortion plus noise (T HD+N) is defined as

the ratio of the square root of the sum of the squares of the am-

plitudes of the harmonics and noise to the amplitude of the fun-

damental input frequency. It is usually expressed in percent (%)

or decibels (dB).

FUNCTIO NAL D ESCRIP TIO N

T he AD1866 is a complete, monolithic dual 16-bit digital audio

DAC which runs off a single +5 volt supply. As shown in the

block diagram, each channel contains a voltage reference, a

16-bit serial-to-parallel input register, a 16-bit input latch, a

16-bit DAC, and an output amplifier.

T he voltage reference section provides a reference voltage and a

false ground voltage for each channel. T he low noise bandgap

circuits produce reference voltages that are unaffected by

changes in temperature, time, and power supply.

D -RANGE D ISTO RTIO N (EIAJ SP ECIFICATIO N)

D-Range distortion is the ratio of the amplitude of the signal at

an amplitude of –60 dB to the amplitude of the distortion plus

noise. In this case, an A-weight filter is used. T he value speci-

fied for D-range performance is the ratio measured plus 60 dB.

T he input registers are fabricated with CMOS logic gates.

T hese gates allow high switching speeds and low power con-

sumption, contributing to the fast digital timing, the low glitch

and low power dissipation of the AD1866.

SIGNAL-TO -NO ISE RATIO

T he signal-to-noise ratio is defined as the ratio of the amplitude

of the output when a full-scale output is present to the ampli-

tude of the output with no signal present. It is expressed in

decibels (dB) and measured using an A-weight filter.

AD1866

16-BIT

DAC

GAIN LINEARITY

16-BIT

SERIAL

Gain linearity is a measure of the deviation of the actual output

amplitude from the ideal output amplitude. It is determined by

measuring the amplitude of the output signal as the amplitude

of that output signal is digitally reduced to a lower level. A per-

fect D/A converter exhibits no difference between the ideal and

actual amplitudes. Gain linearity is expressed in decibels (dB).

CLK

NRL

REF

AGND

16-BIT

SERIAL

11 NRR

REF

MID SCALE ERRO R

DGND

Midscale error, or bipolar zero error, is the deviation of the ac-

tual analog output from a voltage at the bias pin when the twos

complement input code representing midscale is loaded in the

DAC. Midscale error is expressed in mV.

16-BIT

DAC

AD1866 Functional Block Diagram

T he 16-bit DAC uses a combination of segmentation and R-2R

architecture to achieve good integral and differential linearity.

T he resistors which form the ladder structure are fabricated

with silicon-chromium thin film. Laser trimming of these resis-

tors further reduces linearity error, resulting in low output

distortion.

T he output amplifier uses both MOS and bipolar devices and

incorporates an NPN class A output stage. It is designed to pro-

duce high slew rate, low noise, low distortion, and optimal fre-

quency response.

REV. 0

–5–

1...3 4 567 8 9...13

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与AD1866R-REEL相关器件

型号	品牌	描述	获取价格	数据表
AD1866RZ	ADI	Single Supply Dual 16-Bit Audio DAC	获取价格
AD1866RZ	ROCHESTER	SERIAL INPUT LOADING, 16-BIT DAC, PDSO16, PLASTIC, SOIC-16	获取价格
AD1866RZ-REEL	ROCHESTER	SERIAL INPUT LOADING, 16-BIT DAC, PDSO16, PLASTIC, SOIC-16	获取价格
AD1868	ADI	Single Supply Dual 18-Bit Audio DAC	获取价格
AD1868*	ADI	Single Supply Dual 18-Bit Audio DAC	获取价格
AD1868N	ADI	Single Supply Dual 18-Bit Audio DAC	获取价格

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