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AD7851KN Fiches technique(PDF) 6 Page - Analog Devices

No de pièce AD7851KN
Description  14-Bit 333 kSPS Serial A/D Converter
Download  36 Pages
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Fabricant  AD [Analog Devices]
Site Internet  http://www.analog.com
Logo AD - Analog Devices

AD7851KN Fiches technique(HTML) 6 Page - Analog Devices

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AD7851
–6–
REV. A
ABSOLUTE MAXIMUM RATINGS
1
(TA = +25°C unless otherwise noted)
AVDD to AGND . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to +7 V
DVDD to DGND . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to +7 V
AVDD to DVDD . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to +0.3 V
Analog Input Voltage to AGND . . . . –0.3 V to AVDD + 0.3 V
Digital Input Voltage to DGND . . . . –0.3 V to DVDD + 0.3 V
Digital Output Voltage to DGND . . . –0.3 V to DVDD + 0.3 V
REFIN/REFOUT to AGND . . . . . . . . . –0.3 V to AVDD + 0.3 V
Input Current to Any Pin Except Supplies
2 . . . . . . . .
±10 mA
Operating Temperature Range
Commercial (A, K Versions) . . . . . . . . . . –40
°C to +125°C
Storage Temperature Range . . . . . . . . . . . –65
°C to +150°C
Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . +150
°C
Plastic DIP Package, Power Dissipation . . . . . . . . . . 450 mW
θ
JA Thermal Impedance
. . . . . . . . . . . . . . . . . . . .
105
°C/W
θ
JC Thermal Impedance
. . . . . . . . . . . . . . . . . . . . 34.7
°C/W
Lead Temperature, (Soldering, 10 secs) . . . . . . . . . . +260
°C
SOIC, SSOP Package, Power Dissipation . . . . . . . . . 450 mW
θ
JA Thermal Impedance . . . 75
°C/W (SOIC) 115°C/W (SSOP)
θ
JC Thermal Impedance . . . . 25°C/W (SOIC) 35°C/W (SSOP)
Lead Temperature, Soldering
Vapor Phase (60 secs) . . . . . . . . . . . . . . . . . . . . . . +215
°C
Infrared (15 secs) . . . . . . . . . . . . . . . . . . . . . . . . . +220
°C
ESD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . >1.5 kV
NOTES
1Stresses above those listed under “Absolute Maximum Ratings” may cause
permanent damage to the device. This is a stress rating only and functional
operation of the device at these or any other conditions above those listed in the
operational sections of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect device reliability.
2Transient currents of up to 100 mA will not cause SCR latch-up.
PINOUT FOR DIP, SOIC AND SSOP
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
AD7851
TOP VIEW
(Not to Scale)
CONVST
BUSY
SLEEP
REFIN/REFOUT
AVDD
AGND
CREF1
CREF2
AIN(+)
AIN(–)
NC
AGND
SYNC
SCLK
CLKIN
DIN
DOUT
DGND
DVDD
CAL
SM2
SM1
POLARITY
AMODE
ORDERING GUIDE
1
Linearity
Temp
Error
Throughput
Throughput
Package
Model
Range
(LSB)
2
Rate
@ +125 C
Options
3
AD7851AN
–40
°C to +85°C
±2
333 kSPS
238 kSPS
N-24
AD7851KN
0
°C to +85°C
±1
285 kSPS
238 kSPS
N-24
AD7851AR
–40
°C to +85°C
±2
333 kSPS
238 kSPS
R-24
AD7851KR
0
°C to +85°C
±1
285 kSPS
238 kSPS
R-24
AD7851ARS
–40
°C to +85°C
±2
333 kSPS
238 kSPS
RS-24
EVAL-AD7851CB
4
EVAL-CONTROL BOARD
5
NOTES
1Both A and K Grades are guaranteed up to 125
°C, but at a lower throughput of 238 kHz (5 MHz)..
2Linearity error refers to the integral linearity error.
3N = Plastic DIP; R = SOIC; RS = SSOP.
4This can be used as a stand-alone evaluation board or in conjunction with the EVAL-CONTROL BOARD for evaluation/demonstration
purposes.
5This board is a complete unit allowing a PC to control and communicate with all Analog Devices, Inc. evaluation boards ending in the
CB designators.


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