Datasheet > ADC-208AMC

ADC-208AMC

更新时间： 2024-02-24 17:00:38

品牌	Logo	应用领域
村田 - MURATA		转换器
页数	文件大小	规格书
4页	315K
描述
ADC, Flash Method, 8-Bit, 1 Func, 1 Channel, Parallel, 8 Bits Access, CMOS, CDIP24, CERAMIC, DIP-24

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技术参数
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ADC-208AMC 技术参数

是否无铅：	不含铅	是否Rohs认证：	不符合
生命周期：	Transferred	零件包装代码：	DIP
包装说明：	DIP, DIP24,.6	针数：	24
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.29
Is Samacsys：	N	最大模拟输入电压：	5 V
最小模拟输入电压：		转换器类型：	ADC, FLASH METHOD
JESD-30 代码：	R-CDIP-T24	长度：	31.7 mm
最大线性误差 (EL)：	0.7812%	模拟输入通道数量：	1
位数：	8	功能数量：	1
端子数量：	24	最高工作温度：	70 °C
最低工作温度：		输出位码：	BINARY
输出格式：	PARALLEL, 8 BITS	封装主体材料：	CERAMIC, METAL-SEALED COFIRED
封装代码：	DIP	封装等效代码：	DIP24,.6
封装形状：	RECTANGULAR	封装形式：	IN-LINE
峰值回流温度（摄氏度）：	NOT SPECIFIED	电源：	5 V
认证状态：	Not Qualified	采样速率：	20 MHz
子类别：	Analog to Digital Converters	标称供电电压：	5 V
表面贴装：	NO	技术：	CMOS
温度等级：	COMMERCIAL	端子形式：	THROUGH-HOLE
端子节距：	2.54 mm	端子位置：	DUAL
处于峰值回流温度下的最长时间：	NOT SPECIFIED	宽度：	15.24 mm
Base Number Matches：	1

ADC-208AMC 数据手册

ADC-208A

8-Bit, 20MSPS CMOS Flash A/D (ADC-208 Compatible)

Table 1. ADC-208A Output Code

TECHNICAL NOTES

1. The Reference ladder is ﬂoating with respect to VDD and may be referenced anywhere

within the speciﬁed limits. AC modulation of the reference voltage may also be utilized;

contact DATEL for further information.

ANALOG INPUT

CODE

DATA

1234

DATA 5678 DECIMAL

HEX

2. Clock Pulse Width – To improve performance when input signals may exceed Nyquist

bandwidths, the clock duty cycle can be adjusted so that the low portion (sample mode) of

the clock pulse is 15nSec wide. Reducing the sampling time period minimizes the amount

the input voltage slews and prevents the comparators from saturating.

3. A full-scale input produces all "1" on the data outputs.

4. DATEL uses the conservative deﬁnitions when specifying Intergal Linearity (end-point) and

Differential Linearity (code transition). The speciﬁcations using the less conservative deﬁnition

have also been provided as a comparative speciﬁcation for products speciﬁed this way.

5. The process that is used to fabricate the ADC-208A eliminates the latchup phenomena

that has plagued CMOS devices in the past. These converters do not require external

protection diodes.

6. For clock rates less than 100kHz, there may be some degradation in offset and dif-

ferential nonlinearity. Performance may be improved by increasing the clock duty cycle

(decreasing the time spent in the sample mode).

7. Connect the converter appropriately; a typical connection circuit is shown in Figure 2.

Then apply an appropriate clock input.The reference input should be held to 0.1% accu-

racy or better. Do not use the +5V power supply as a reference without precision regulation

and high-frequency decoupling capacitors.

0.00V

+0.02V

+1.28V

+2.54V

+2.56V

+2.58V

+3.84V

+5.10V

Zero 0000

+1 LSB

0000

0100

0111

1000

1100

1111

0000

0001

0000

1111

0000

0001

0000

1111

+¼ FS

+½ FS-ILSB

+½ FS

127

128

129

192

255

+½ FS+ILSB

+¾ FS

+FS

Note: Values shown here are for a +5.12Vdc reference. Scale other refereces propor-

tionally. (+REF=+5.12V, –REF=GND, ¼, ½, and ¾ References FS=No Connection)

8. Zero Adjustment - Adjusting the voltage at –REFERENCE (pin 3) adjusts the offset or zero

of the device. Pin 3 can be tied to GROUND for operation without adjustments

9. Full Scale Adjustment - Adjusting the voltage at +REFERENCE (pin 9) adjusts the gain of

the device. Pin 9 can be tied directly to a +5V reference for operation without adjustment.

10.Integral Nonlinearity Adjustments - Provision is made for optional adjustment of Integral

Nonlinearity through access of the reference's ¼, ½, and ¾ full scale points. For example,

the REF. MIDPOINT (pin 6) can be tied to a precision voltage halfway between +REFERENCE

and –REFERENCE. Pins 6, 18 and 20 should be bypassed to GROUND through 0.1μF capaci-

tors for operation without INL adjustments

Figure 2. ADC-208A Typical Connection Diagram

DATEL, Inc. 11 Cabot Boulevard, Mansﬁeld, MA 02048-1151 USA

•

Tel: (508) 339-3000

•

www.datel.com

•

e-mail: help@datel.com

06 Jul 2015 ADC-208A.B05 Page 3 of 4

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与ADC-208AMC相关器件

型号	品牌	描述	获取价格	数据表
ADC-208AMC-C	MURATA	ADC, Flash Method, 8-Bit, 1 Func, CMOS, CDIP24	获取价格
ADC-208AME	DATEL	CMOS Flash A/D	获取价格
ADC-208AME-C	DATEL	CMOS Flash A/D	获取价格
ADC-208AMM	MURATA	ADC, Flash Method, 8-Bit, 1 Func, 1 Channel, Parallel, 8 Bits Access, CMOS, CDIP24, CERAMI	获取价格
ADC-208AMM		8-Bit, 20MSPS CMOS Flash A/D (ADC-208 Compatible)	获取价格
ADC-208AMM-QL	MURATA	ADC, Flash Method, 8-Bit, 1 Func, 1 Channel, Parallel, 8 Bits Access, CMOS, CDIP24, CERAMI	获取价格

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