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AD637SCHIPS 数据表(PDF) 3 Page - Analog Devices

部件名 AD637SCHIPS
功能描述  High Precision, Wide-Band RMS-to-DC Converter
Download  10 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

AD637SCHIPS 数据表(HTML) 3 Page - Analog Devices

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NOTES
1Accuracy specified 0-7 V rms dc with AD637 connected as shown in Figure 2.
2Nonlinearity is defined as the maximum deviation from the straight line connecting the readings at 10 mV and 2 V.
3Error vs. crest factor is specified as additional error for 1 V rms.
4Input voltages are expressed in volts rms. % are in % of reading.
5With external 2 k
Ω pull down resistor tied to –V
S.
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
ESD Rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500 V
Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
±18 V dc
Internal Quiescent Power Dissipation . . . . . . . . . . . . 108 mW
Output Short-Circuit Duration . . . . . . . . . . . . . . . . . Indefinite
Storage Temperature Range . . . . . . . . . . . . –65
°C to +150°C
Lead Temperature Range (Soldering 10 secs) . . . . . . . +300
°C
Rated Operating Temperature Range
AD637J, K . . . . . . . . . . . . . . . . . . . . . . . . . . . 0
°C to +70°C
AD637A, B . . . . . . . . . . . . . . . . . . . . . . . . –40
°C to +85°C
AD637S, 5962-8963701CA . . . . . . . . . . . –55
°C to +125°C
ORDERING GUIDE
Temperature
Package
Package
Model
Range
Description
Option
AD637AR
– 40
°C to +85°C SOIC
R-16
AD637BR
–40
°C to +85°C
SOIC
R-16
AD637AQ
– 40
°C to +85°C Cerdip
Q-14
AD637BQ
– 40
°C to +85°C Cerdip
Q-14
AD637JD
0
°C to +70°C
Side Brazed Ceramic DIP D-14
AD637JD/+
0
°C to +70°C
Side Brazed Ceramic DIP D-14
AD637KD
0
°C to +70°C
Side Brazed Ceramic DIP D-14
AD637KD/+
0
°C to +70°C
Side Brazed Ceramic DIP D-14
AD637JQ
0
°C to +70°C
Cerdip
Q-14
AD637KQ
0
°C to +70°C
Cerdip
Q-14
AD637JR
0
°C to +70°C
SOIC
R-16
AD637JR-REEL
0
°C to +70°C
SOIC
R-16
AD637JR-REEL7
0
°C to +70°C
SOIC
R-16
AD637KR
0
°C to +70°C
SOIC
R-16
AD637SD
–55
°C to +125°C Side Brazed Ceramic DIP D-14
AD637SD/883B
–55
°C to +125°C Side Brazed Ceramic DIP D-14
AD637SQ/883B
–55
°C to +125°C Cerdip
Q-14
AD637SCHIPS
0
°C to +70°CDie
5962-8963701CA* –55
°C to +125°C Cerdip
Q-14
*A standard microcircuit drawing is available.
FILTER/AMPLIFIER
24k
24k
ONE QUADRANT
SQUARER/DIVIDER
BUFFER
AMPLIFIER
Q1
Q2
Q3
Q4
125
6k
6k
12k
24k
A5
A1
A2
ABSOLUTE VALUE VOLTAGE –
CURRENT CONVERTER
I1
I3
I4
A4
A3
BIAS
Q5
CAV
+VS
RMS
OUT
COM
CS
DEN
INPUT
OUTPUT
OFFSET
dB
OUT
AD637
VIN
BUFF OUT
BUFF IN
–VS
Figure 1. Simplified Schematic
CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily
accumulate on the human body and test equipment and can discharge without detection.
Although the AD637 features proprietary ESD protection circuitry, permanent damage may
occur on devices subjected to high energy electrostatic discharges. Therefore, proper ESD
precautions are recommended to avoid performance degradation or loss of functionality.
AD637
REV. E
–3–
WARNING!
ESD SENSITIVE DEVICE


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