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參數資料
| 型號： | AD7928BRU-REEL7 |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | ADC |
| 英文描述： | 8-Channel, 1 MSPS, 8-/10-/12-Bit ADCs with Sequencer in 20-Lead TSSOP |
| 中文描述： | 8-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20 |
| 封裝： | MO-153AC, TSSOP-20 |
| 文件頁數： | 9/24頁 |
| 文件大?。?/td> | 607K |
| 代理商： | AD7928BRU-REEL7 |
AD7908/AD7918/AD7928
REV. A
ABSOLUTE MAXIMUM RATINGS
1
(T
A
= 25
°
C, unless otherwise noted.)
AV
DD
to AGND . . . . . . . . . . . . . . . . . . . . . . .
–
0.3 V to +7 V
V
DRIVE
to AGND . . . . . . . . . . . . . . . .
–
0.3 V to AV
DD
+ 0.3 V
Analog Input Voltage to AGND . . . .
–
0.3 V to AV
DD
+ 0.3 V
Digital Input Voltage to AGND . . . . . . . . . . . .
–
0.3 V to +7 V
Digital Output Voltage to AGND . . .
–
0.3 V to AV
DD
+ 0.3 V
REF
IN
to AGND . . . . . . . . . . . . . . . .
–
0.3 V to AV
DD
+ 0.3 V
Input Current to Any Pin Except Supplies
2
. . . . . . . . ±10 mA
Operating Temperature Range
Commercial (B Version) . . . . . . . . . . . . . .
–
40
°
C to +85
°
C
Storage Temperature Range . . . . . . . . . . .
–
65
°
C to +150
°
C
Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . 150
°
C
TSSOP Package, Power Dissipation . . . . . . . . . . . . . 450 mW
q
JA
Thermal Impedance . . . . . . . . . . . . . 143
°
C/W (TSSOP)
q
JC
Thermal Impedance . . . . . . . . . . . . . . 45
°
C/W (TSSOP)
Lead Temperature, Soldering
Vapor Phase (60 sec) . . . . . . . . . . . . . . . . . . . . . . . . . 215
°
C
Infrared (15 sec) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220
°
C
ESD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 kV
NOTES
1
Stresses above those listed under Absolute Maximum Ratings may cause perma-
nent 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.
2
Transient currents of up to 100 mA will not cause SCR latch-up.
–9–
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
AD7908/AD7918/AD7928 feature 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.
ORDERING GUIDE
Temperature
Range
Linearity
Error (LSB)
1
Package
Option
Package
Description
Model
AD7908BRU
AD7908BRU-REEL
AD7908BRU-REEL7
AD7918BRU
AD7918BRU-REEL
AD7918BRU-REEL7
AD7928BRU
AD7928BRU-REEL
AD7928BRU-REEL7
EVAL-AD79x8CB
2
EVAL-CONTROL BRD
3
–
40
°
C to +85
°
C
–
40
°
C to +85
°
C
–
40
°
C to +85
°
C
–
40
°
C to +85
°
C
–
40
°
C to +85
°
C
–
40
°
C to +85
°
C
–
40
°
C to +85
°
C
–
40
°
C to +85
°
C
–
40
°
C to +85
°
C
0.2
0.2
0.2
0.5
0.5
0.5
1
1
1
RU-20
RU-20
RU-20
RU-20
RU-20
RU-20
RU-20
RU-20
RU-20
TSSOP
TSSOP
TSSOP
TSSOP
TSSOP
TSSOP
TSSOP
TSSOP
TSSOP
Evaluation Board
Controller Board
NOTES
1
Linearity error here refers to integral linearity error.
2
This can be used as a standalone evaluation board or in conjunction with the Evaluation Controller Board for evaluation/demonstration purposes.
The board comes with one chip of each the AD7908, AD7918, and AD7928.
3
This board is a complete unit allowing a PC to control and communicate with all Analog Devices evaluation boards ending in the CB designators.
To order a complete evaluation kit, order the particular ADC evaluation board, e.g., EVAL-AD79x8CB, the EVAL-CONTROL BRD2, and a
12 V ac transformer. See relevant Evaluation Board Technical Note for more information.
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