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參數資料
| 型號： | AD7920BRM-REEL7 |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | ADC |
| 英文描述： | 250 kSPS, 10-/12-Bit ADCs in 6-Lead SC70 |
| 中文描述： | 1-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8 |
| 封裝： | MO-187AA, MSOP-8 |
| 文件頁數： | 6/20頁 |
| 文件大小： | 1091K |
| 代理商： | AD7920BRM-REEL7 |
REV. B
–6–
AD7910/AD7920
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
AD7910/AD7920 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.
ABSOLUTE MAXIMUM RATINGS
1
(T
A
= 25
∞
C, unless otherwise noted.)
V
DD
to GND . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to +7 V
Analog Input Voltage to GND . . . . . . . –0.3 V to V
DD
+ 0.3 V
Digital Input Voltage to GND . . . . . . . . . . . . . –0.3 V to +7 V
Digital Output Voltage to GND . . . . . –0.3 V to V
DD
+ 0.3 V
Input Current to Any Pin Except Supplies
2
. . . . . . . .
±
10 mA
Operating Temperature Range
Commercial (A, B Grade) . . . . . . . . . . . . . –40
∞
C to +85
∞
C
Storage Temperature Range . . . . . . . . . . . –65
∞
C to +150
∞
C
Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . 150
∞
C
MSOP Package
q
JA
Thermal Impedance . . . . . . . . . . . . . . . . . . . . 205.9
∞
C/W
q
JC
Thermal Impedance . . . . . . . . . . . . . . . . . . . . 43.74
∞
C/W
SC70 Package
q
JA
Thermal Impedance . . . . . . . . . . . . . . . . . . . . 340.2
∞
C/W
q
JC
Thermal Impedance . . . . . . . . . . . . . . . . . . . . 228.9
∞
C/W
Lead Temperature, Soldering
Reflow (10 sec to 30 sec) . . . . . . . . . . . . . . . 235 (0/+5)
∞
C
ESD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3.5 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; 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 condi-
tions for extended periods may affect device reliability.
2
Transient currents of up to 100 mA will not cause SCR latch-up.
ORDERING GUIDE
Temperature
Range
Linearity
Error (LSB)
1
Package
Option
2
Model
Branding
AD7910AKS-500RL7
AD7910AKS-REEL
AD7910AKS-REEL7
AD7910ARM
AD7910ARM-REEL
AD7910ARM-REEL7
AD7920AKS-500RL7
AD7920AKS-REEL
AD7920AKS-REEL7
AD7920BKS
AD7920BKS-REEL
AD7920BKS-REEL7
AD7920BRM
AD7920BRM-REEL
AD7920BRM-REEL7
EVAL-AD7910CB
3
EVAL-AD7920CB
3
EVAL-CONTROL BRD2
4
–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
–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
±
0.5 max
±
0.5 max
±
0.5 max
±
0.5 max
±
0.5 max
±
0.5 max
±
0.75 typ
±
0.75 typ
±
0.75 typ
±
1.5 max
±
1.5 max
±
1.5 max
±
1.5 max
±
1.5 max
±
1.5 max
KS-6
KS-6
KS-6
RM-8
RM-8
RM-8
KS-6
KS-6
KS-6
KS-6
KS-6
KS-6
RM-8
RM-8
RM-8
Evaluation Board
Evaluation Board
CVA
CVA
CVA
CVA
CVA
CVA
CUA
CUA
CUA
CUB
CUB
CUB
CUB
CUB
CUB
NOTES
1
Linearity error refers to integral nonlinearity.
2
KS = SC70, RM = MSOP.
3
This can be used as a stand-alone evaluation board or in conjunction with the EVAL-CONTROL BRD2 for evaluation/demonstration purposes.
4
This board is a complete unit that allows a PC to control and communicate with all Analog Devices evaluation boards ending in the CB designator. To order a
complete evaluation kit, a particular ADC evaluation board must be ordered, e.g., EVAL-AD7920CB, the EVAL-CONTROL BRD2, and a 12 V ac transformer.
See relevant evaluation board technical note for more information.
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