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AD1674KR PDF预览

AD1674KR

更新时间： 2024-02-08 03:13:41
品牌 Logo 应用领域
亚德诺 - ADI 转换器光电二极管信息通信管理
页数 文件大小 规格书
12页 257K
描述
12-Bit 100 kSPS A/D Converter

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AD1674KR 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：SOIC
包装说明：SOP, SOP28,.4针数：28
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.19
Is Samacsys：N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：10 µs
转换器类型：ADC, SUCCESSIVE APPROXIMATIONJESD-30 代码：R-PDSO-G28
JESD-609代码：e3长度：17.9 mm
最大线性误差 (EL)：0.0122%湿度敏感等级：3
标称负供电电压：-15 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：70 °C
最低工作温度：输出位码：BINARY
输出格式：PARALLEL, WORD封装主体材料：PLASTIC/EPOXY
封装代码：SOP封装等效代码：SOP28,.4
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
峰值回流温度（摄氏度）：260电源：5,+-12/+-15 V
认证状态：Not Qualified采样速率：0.111 MHz
采样并保持/跟踪并保持：SAMPLE座面最大高度：2.65 mm
子类别：Analog to Digital Converters最大压摆率：18 mA
标称供电电压：15 V表面贴装：YES
技术：BICMOS温度等级：COMMERCIAL
端子面层：Matte Tin (Sn)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：7.5 mm
Base Number Matches：1

AD1674KR 数据手册

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AD1674  
P IN D ESCRIP TIO N  
Sym bol  
P in No. Type  
Nam e and Function  
Analog Ground (Common).  
AGND  
A0  
9
4
P
DI  
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  
(DB4–DB11), 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.  
Chip Select. Chip Select is Active LOW.  
CS  
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 up-  
per 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  
DB3–DB0  
23–20  
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 Ao is LOW and all zeroes when A0 is HIGH.  
Data Bits 3 through 0. In the 12-bit format these pins provide the lower 4 bits of data. In the  
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).  
+10 V Reference Output.  
AO  
DI  
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 stand-alone mode, the falling edge of R/C initiates a conversion.  
REF IN  
ST S  
10  
28  
AI  
Reference Input is connected through a 50 Ω resistor to +10 V Reference for normal operation.  
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.  
–12 V/–15 V Analog Supply.  
+5 V Logic Supply.  
VEE  
11  
1
P
VLOGIC  
10 VIN  
P
13  
AI  
10 V Span Input, 0 V to +10 V unipolar mode or –5 V to +5 V bipolar mode. When using the  
AD1674 in 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 AD1674 in the 10 V Span 20 VIN should not be connected.  
12/8  
DI  
T he 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).  
T YPE: AI  
=
=
=
Analog Input  
Analog Output  
Digital Input  
AO  
DI  
FUNCTIO NAL BLO CK D IAGRAM  
P IN CO NFIGURATIO N  
DO = Digital Output  
12/8  
CS  
P
=
Power  
V
28  
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
17  
1
2
3
4
5
6
7
8
9
STS  
LOGIC  
12/8  
STS  
DB11(MSB)  
DB10  
A
CONTROL  
0
CS  
CE  
A
0
DB9  
R/C  
R/C  
CE  
DB8  
DB7  
10V  
CLOCK  
SAR  
REF OUT  
AD1674  
REF  
DB6  
V
12  
CC  
TOP VIEW  
REF OUT  
AGND  
DB5  
DB4  
(Not to Scale)  
DB11 (MSB)  
DB0 (LSB)  
AGND  
COMP  
12  
20k  
REF IN 10  
DB3  
REF IN  
12  
V
11  
12  
13  
14  
DB2  
DB1  
5k  
10k  
10k  
EE  
BIP OFF  
BIP OFF  
20V  
IN  
DAC  
16 DB0(LSB)  
10V  
IN  
5k  
2.5k  
2.5k  
20V  
IN  
15  
DGND  
10V  
IN  
IDAC  
5k  
SHA  
AD1674  
REV. C  
–7–  
1...45678910...12

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