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AD674B

更新时间： 2024-02-28 18:50:32
品牌 Logo 应用领域
亚德诺 - ADI 转换器
页数 文件大小 规格书
12页 244K
描述
Complete 12-Bit A/D Converters

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AD674B 技术参数

Source Url Status Check Date：2013-05-01 14:56:16.169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：DIP包装说明：DIP, DIP28,.6
针数：28Reach Compliance Code：not_compliant
ECCN代码：3A001.A.2.CHTS代码：8542.39.00.01
风险等级：5.29最大模拟输入电压：10 V
最小模拟输入电压：-10 V最长转换时间：15 µs
转换器类型：ADC, SUCCESSIVE APPROXIMATIONJESD-30 代码：R-CDIP-T28
JESD-609代码：e0长度：35.815 mm
最大线性误差 (EL)：0.0244%标称负供电电压：-12 V
模拟输入通道数量：1位数：12
功能数量：1端子数量：28
最高工作温度：125 °C最低工作温度：-55 °C
输出位码：BINARY输出格式：PARALLEL, WORD
封装主体材料：CERAMIC, METAL-SEALED COFIRED封装代码：DIP
封装等效代码：DIP28,.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,+-12/+-15 V认证状态：Not Qualified
座面最大高度：3.68 mm子类别：Analog to Digital Converters
标称供电电压：12 V表面贴装：NO
技术：BIMOS温度等级：MILITARY
端子面层：Tin/Lead (Sn63Pb37)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

AD674B 数据手册

 浏览型号AD674B的Datasheet PDF文件第3页浏览型号AD674B的Datasheet PDF文件第4页浏览型号AD674B的Datasheet PDF文件第5页浏览型号AD674B的Datasheet PDF文件第7页浏览型号AD674B的Datasheet PDF文件第8页浏览型号AD674B的Datasheet PDF文件第9页 
AD674B/AD774B  
PIN CONFIGURATION  
V
1
2
STS  
28  
LOGIC  
27 DB11 (MSB)  
26 DB10  
12/8  
3
CS  
4
A
25 DB9  
0
AD674B  
OR  
5
24 DB8  
R/C  
6
23  
22  
21  
20  
19  
18  
17  
16  
15  
CE  
DB7  
AD774B  
7
V
DB6  
CC  
TOPVIEW  
(Not to Scale)  
8
REF OUT  
AGND  
DB5  
9
DB4  
10  
11  
12  
13  
14  
REF IN  
DB3  
V
DB2  
EE  
BIP OFF  
DB1  
10V  
DB0 (LSB)  
DGND  
IN  
IN  
20V  
PIN FUNCTION DESCRIPTIONS  
Pin No. Type* Name and Function  
Symbol  
AGND  
A0  
9
4
P
DI  
Analog Ground (Common)  
Byte Address/Short Cycle. If a conversion is started with A0 Active LOW, a full 12-bit conversion  
cycle is initiated. If A0 is Active HIGH during a convert start, a shorter 8-bit conversion cycle  
results. During Read (R/C = 1) with 12/8 LOW, A0 = LOW enables the 8 most significant bits,  
and A0 = HIGH enables DB3–DB0 and sets DB7–DB4 = 0.  
BIP OFF  
12  
AI  
Bipolar Offset. Connect through a 50 Ω resistor to REF OUT for bipolar operation or to Analog  
Common for unipolar operation.  
CE  
6
3
DI  
DI  
Chip Enable. Chip Enable is Active HIGH and is used to initiate a convert or read operation.  
CS  
Chip Select. Chip Select is Active LOW.  
DB11–DB8 27–24  
DO  
Data Bits 11 through 8. In the 12-bit format (see 12/8 and A0 pins) these pins provide the upper  
4 bits of data. In the 8-bit format, they provide the upper 4 bits when A0 is LOW and are  
disabled when A0 is HIGH.  
DB7–DB4 23–20  
DB3–DB0 19–16  
DO  
DO  
Data Bits 7 through 4. In the 12-bit format these pins provide the middle 4 bits of data. In the  
8-bit format they provide the middle 4 bits when A0 is LOW and all zeroes when A0 is HIGH.  
Data Bits 3 through 0. In both the 12-bit and 8-bit format these pins provide the lower 4 bits of  
data when A0 is HIGH; they are disabled when A0 is LOW.  
DGND  
REF OUT  
R/C  
15  
8
P
Digital Ground (Common)  
AO  
DI  
10 V Reference Output  
5
Read/Convert. In the full control mode R/C is Active HIGH for a read operation and Active LOW  
for a convert operation. In the standalone mode, the falling edge of R/C initiates a conversion.  
Reference Input is connected through a 50 Ω resistor to +10 V Reference for normal operation.  
REF IN  
STS  
10  
28  
AI  
DO  
Status is Active HIGH when a conversion is in progress and goes LOW when the conversion is  
completed.  
VCC  
7
P
+12 V/+15 V Analog Supply  
VEE  
11  
1
P
–12 V/–15 V Analog Supply  
VLOGIC  
10 VIN  
P
5 V Logic Supply  
13  
AI  
10 V Span Input, 0 V to +10 V unipolar mode or –5 V to +5 V bipolar mode. When using the  
20 V Span, 10 VIN should not be connected.  
20 VIN  
14  
2
AI  
20 V Span Input, 0 V to +20 V unipolar mode or –10 V to +10 V bipolar mode. When using the  
10 V Span, 20 VIN should not be connected.  
The 12/8 pin determines whether the digital output data is to be organized as two 8-bit words  
(12/8 LOW) or a single 12-bit word (12/8 HIGH).  
12/8  
DI  
*Types: AI = Analog Input, AO = Analog Output, DI = Digital Input, DO = Digital Output, P = Power  
–6–  
REV. C  
1...3456789...12

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