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参数资料
| 型号： | AD693AD |
| 厂商： | Analog Devices Inc |
| 文件页数： | 6/12页 |
| 文件大小： | 0K |
| 描述： | IC SGNL COND 4-20MA TX 20-CDIP |
| 标准包装： | 19 |
| 类型： | 信号调节器 |
| 输入类型： | 电压 |
| 输出类型： | 电压 |
| 接口： | 3 线 |
| 电流 - 电源： | 20mA |
| 安装类型： | 通孔 |
| 封装/外壳： | 20-CDIP（0.300"，7.62mm） |
| 供应商设备封装： | 20-CDIP |
| 包装： | 管件 |
| 产品目录页面： | 798 (CN2011-ZH PDF) |
Model
AD693AD
Conditions
Min
Typ
Max
Units
AUXILIARY AMPLIFIER
Common-Mode Range
0
+VOP – 4 V
6
V
Input Offset Voltage
±50
±200
V
Input Bias Current
+5
+20
nA
Input Offset Current
+0.5
±3.0
nA
Common-Mode Rejection
90
dB
Power Supply Rejection
105
dB
Output Current Range
Pin IX OUT
+0.01
+5
mA
Output Current Error
Pin VX – Pin IX
±0.005
%
TEMPERATURE RANGE
Case Operating
14
TMIN to TMAX
–40
+85
°C
Storage
–65
+150
°C
NOTES
1 Total error can be significantly reduced (typically less than 0.1%) by trimming the zero current. The remaining unadjusted error sources are transconductance and
nonlinearity.
2 The AD693 is tested as a loop powered device with the signal amp, V/I converter, voltage reference, and application voltages operating together. Specifications are
valid for preset spans and spans between 30 mV and 60 mV.
3 Error from ideal output assuming a perfect 100
RTD at 0 and +100°C.
4 Refer to the Error Analysis to calculate zero current error for input spans less than 30 mV.
5 By forcing the differential signal amplifier input sufficiently negative the 7
A zero current can always be achieved.
6 The operational voltage (V
OP) is the voltage directly across the AD693 (Pin 10 to 6 in two-wire mode, Pin 9 to 6 in local power mode). For example, VOP = VS –
(ILOOP
× R
L) in two-wire mode (refer to Figure 10).
7Bias currents are not symmetrical with input signal level and flow out of the input pins. The input bias current of the inverting input increases with input signal volt-
age, see Figure 2.
8 Nonlinearity is defined as the deviation of the output from a straight line connecting the endpoints as the input is swept over a 30 mV and 60 mV input span.
9 Specifications for the individual functional blocks are components of error that contribute to, and that are included in, the Loop Powered Operation specifications.
10 Includes error contributions of V/I converter and Application Voltages.
11 Changes in the reference output voltage due to load will affect the Zero Current. A 1% change in the voltage reference output will result in an error of 1% in the
value of the Zero Current.
12 If not used for external excitation, the reference should be loaded by approximately 1 mA (6.2 k
to common).
13 In the loop powered mode up to 5 mA can be drawn from the reference, however, the lower limit of the output span will be increased accordingly. 3.5 mA is the
maximum current the reference can source while still maintaining a 4 mA zero.
14 The AD693 is tested with a pass transistor so T
A TC.
Specifications subject to change without notice.
Specifications shown in boldface are tested on all production units at final electrical test. Results from those tests are used to calculate outgoing quality levels. All min
and max specifications are guaranteed, although only those shown in boldface are tested on all production units.
ABSOLUTE MAXIMUM RATINGS
Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +36 V
Reverse Loop Current . . . . . . . . . . . . . . . . . . . . . . . . . 200 mA
Signal Amp Input Range . . . . . . . . . . . . . . . . . . –0.3 V to VOP
Reference Short Circuit to Common . . . . . . . . . . . . Indefinite
Auxiliary Amp Input Voltage Range . . . . . . . . . . 0.3 V to VOP
Auxiliary Amp Current Output . . . . . . . . . . . . . . . . . . . 10 mA
Storage Temperature . . . . . . . . . . . . . . . . . . –65
°C to +150°C
Lead Temperature, 10 sec Soldering . . . . . . . . . . . . .
+300
°C
Max Junction Temperature . . . . . . . . . . . . . . . . . . . . . +150
°C
ORDERING GUIDE
Package
Model
Description
Option
AD693AD
Ceramic Side-Brazed DIP
D-20
AD693AQ
Cerdip
Q-20
AD693AE
Leadless Ceramic Chip
E-20A
Carrier (LCCC)
AD693 PIN CONFIGURATION
(AD, AQ, AE Packages)
Functional Diagram
–3–
REV. A
AD693
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| AD693AE | 功能描述:IC SGNL COND 4-20MA TX 20-CLCC RoHS:否 类别:集成电路 (IC) >> 接口 - 传感器和探测器接口 系列:- 其它有关文件:Automotive Product Guide 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:74 系列:- 类型:触控式传感器 输入类型:数字 输出类型:数字 接口:JTAG，串行 电流 - 电源:100µA 安装类型:表面贴装 封装/外壳:20-TSSOP（0.173"，4.40mm 宽） 供应商设备封装:20-TSSOP 包装:管件 |
| AD693AQ | 功能描述:IC TRANSMITTER 4-20MA 20-CDIP RoHS:否 类别:集成电路 (IC) >> 接口 - 传感器和探测器接口 系列:- 其它有关文件:Automotive Product Guide 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:74 系列:- 类型:触控式传感器 输入类型:数字 输出类型:数字 接口:JTAG，串行 电流 - 电源:100µA 安装类型:表面贴装 封装/外壳:20-TSSOP（0.173"，4.40mm 宽） 供应商设备封装:20-TSSOP 包装:管件 |
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