AD5328

更新时间： 2024-02-25 14:22:29

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
19页	309K
描述
2.5 V to 5.5 V Octal Voltage Output 8-/10-/12-Bit DACs in 16-Lead TSSOP

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AD5328 技术参数

是否无铅：	含铅	是否Rohs认证：	符合
生命周期：	Active	零件包装代码：	TSSOP
包装说明：	ROHS COMPLIANT, MO-153AB, TSSOP-16	针数：	16
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.26
Is Samacsys：	N	最大模拟输出电压：	5.499 V
最小模拟输出电压：	0.001 V	转换器类型：	D/A CONVERTER
输入位码：	BINARY	输入格式：	SERIAL
JESD-30 代码：	R-PDSO-G16	JESD-609代码：	e3
长度：	5 mm	最大线性误差 (EL)：	0.293%
湿度敏感等级：	1	位数：	12
功能数量：	1	端子数量：	16
最高工作温度：	125 °C	最低工作温度：	-40 °C
封装主体材料：	PLASTIC/EPOXY	封装代码：	TSSOP
封装等效代码：	TSSOP16,.25	封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	峰值回流温度（摄氏度）：	260
电源：	3/5 V	认证状态：	Not Qualified
座面最大高度：	1.2 mm	最大稳定时间：	10 µs
标称安定时间 (tstl)：	8 µs	子类别：	Other Converters
最大压摆率：	1.8 mA	标称供电电压：	3 V
表面贴装：	YES	技术：	CMOS
温度等级：	AUTOMOTIVE	端子面层：	Matte Tin (Sn)
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：	4.4 mm	Base Number Matches：	1

AD5328 数据手册

AD5308/AD5318/AD5328

TERMINOLOGY

Major-Code Transition Glitch Energy

Relative Accuracy

Major-code transition glitch energy is the energy of the impulse

injected into the analog output when the code in the DAC

glitch in nV-s and is measured when the digital code is changed by

1 LSB at the major carry transition (011 . . . 11 to 100 . . . 00 or

100 . . . 00 to 011 . . . 11).

For the DAC, relative accuracy or integral nonlinearity (INL) is

a measure of the maximum deviation, in LSB, from a straight

line passing through the endpoints of the DAC transfer function.

Typical INL versus code plots can be seen in TPCs 1, 2, and 3.

Differential Nonlinearity

Differential nonlinearity (DNL) is the difference between the

measured change and the ideal 1 LSB change between any two

adjacent codes. A specified differential nonlinearity of 1 LSB

maximum ensures monotonicity. This DAC is guaranteed

monotonic by design. Typical DNL versus code plots can be

seen in TPCs 4, 5, and 6.

Digital Feedthrough

Digital feedthrough is a measure of the impulse injected into the

analog output of a DAC from the digital input pins of the device,

but is measured when the DAC is not being written to (SYNC

held high). It is specified in nV-s and is measured with a full-

scale change on the digital input pins, i.e., from all 0s to all 1s

and vice versa.

Offset Error

This is a measure of the offset error of the DAC and the output

amplifier (see Figures 2 and 3). It can be negative or positive,

and is expressed in mV.

Digital Crosstalk

This is the glitch impulse transferred to the output of one DAC

at midscale in response to a full-scale code change (all 0s to all

1s and vice versa) in the input register of another DAC. It is

measured in standalone mode and is expressed in nV-s.

Gain Error

This is a measure of the span error of the DAC. It is the devia-

tion in slope of the actual DAC transfer characteristic from the

ideal expressed as a percentage of the full-scale range.

Analog Crosstalk

This is the glitch impulse transferred to the output of one DAC

due to a change in the output of another DAC. It is measured

by loading one of the input registers with a full-scale code change

(all 0s to all 1s and vice versa) while keeping LDAC high. Then

pulse LDAC low and monitor the output of the DAC whose

digital code was not changed. The area of the glitch is expressed

in nV-s.

Offset Error Drift

This is a measure of the change in offset error with changes in

temperature. It is expressed in (ppm of full-scale range)/°C.

Gain Error Drift

This is a measure of the change in gain error with changes in

temperature. It is expressed in (ppm of full-scale range)/°C.

DAC-to-DAC Crosstalk

DC Power Supply Rejection Ratio (PSRR)

This is the glitch impulse transferred to the output of one DAC

due to a digital code change and subsequent output change of

another DAC. This includes both digital and analog crosstalk. It

is measured by loading one of the DACs with a full-scale code

change (all 0s to all 1s and vice versa) with LDAC low and

monitoring the output of another DAC. The energy of the glitch

is expressed in nV-s.

This indicates how the output of the DAC is affected by changes

in the supply voltage. PSRR is the ratio of the change in V_OUT

to a change in V_DDfor full-scale output of the DAC. It is mea-

sured in dB. V_REFis held at 2 V and V_DDis varied 10%.

DC Crosstalk

This is the dc change in the output level of one DAC in response

to a change in the output of another DAC. It is measured with a

full-scale output change on one DAC while monitoring another

DAC. It is expressed in µV.

Multiplying Bandwidth

The amplifiers within the DAC have a finite bandwidth. The

multiplying bandwidth is a measure of this. A sine wave on the

reference (with full-scale code loaded to the DAC) appears on

the output. The multiplying bandwidth is the frequency at

which the output amplitude falls to 3 dB below the input.

Reference Feedthrough

This is the ratio of the amplitude of the signal at the DAC out-

put to the reference input when the DAC output is not being

updated (i.e., LDAC is high). It is expressed in dB.

Total Harmonic Distortion

This is the difference between an ideal sine wave and its attenuated

version using the DAC. The sine wave is used as the reference

for the DAC, and the THD is a measure of the harmonics present

on the DAC output. It is measured in dB.

Channel-to-Channel Isolation

This is the ratio of the amplitude of the signal at the output of

one DAC to a sine wave on the reference input of another DAC.

It is measured in dB.

–6–

REV. B

1...3 4 567 8 9...19

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