參數(shù)資料
型號(hào)： EVAL-AD7858CB
廠商： Analog Devices, Inc.
英文描述： 3 V to 5 V Single Supply, 200 kSPS 8-Channel, 12-Bit Sampling ADC
中文描述： 3 V至5 V單電源，200 kSPS的8通道，12位采樣ADC
文件頁(yè)數(shù)： 6/32頁(yè)
文件大?。?/td> 315K
代理商： EVAL-AD7858CB
REV. B
–6–
AD7858/AD7858L
ORDERING GUIDE
Linearity
Error
(LSB)
1
±
1
±
1/2
±
1
±
1
±
1
±
1/2
±
1
±
1
±
1
Power
Dissipation Package
(mW)
Model
Options
2
AD7858AN
AD7858BN
AD7858LAN
3
AD7858LBN
3
AD7858AR
AD7858BR
AD7858LAR
3
AD7858LBR
3
AD7858LARS
3
EVAL-AD7858CB
4
EVAL-CONTROL BOARD
5
20
20
6.85
6.85
20
20
6.85
6.85
6.85
N-24
N-24
N-24
N-24
R-24
R-24
R-24
R-24
RS-24
NOTES
1
Linearity error here refers to integral linearity error.
2
N = Plastic DIP; R = SOIC; RS = SSOP.
3
L signifies the low-power version.
4
This can be used as a stand-alone evaluation board or in conjunction with the EVAL-
CONTROL BOARD for evaluation/demonstration purposes.
5
This board is a complete unit allowing a PC to control and communicate with all
Analog Devices evaluation boards ending in the CB designators.
ABSOLUTE MAXIMUM RATINGS
1
(T
A
= +25
°
C unless otherwise noted)
AV
DD
to AGND . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to +7 V
DV
DD
to DGND . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to +7 V
AV
DD
to DV
DD
. . . . . . . . . . . . . . . . . . . . . . . –0.3 V to +0.3 V
Analog Input Voltage to AGND . . . . –0.3 V to AV
DD
+ 0.3 V
Digital Input Voltage to DGND . . . . –0.3 V to DV
DD
+ 0.3 V
Digital Output Voltage to DGND . . . –0.3 V to DV
DD
+ 0.3 V
REF
IN
/REF
OUT
to AGND . . . . . . . . . –0.3 V to AV
DD
+ 0.3 V
Input Current to Any Pin Except Supplies
2
Operating Temperature Range
Commercial (A, B Versions) . . . . . . . . . . . –40
°
C to +85
°
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 sec) . . . . . . . . . . +260
°
C
. . . . . . .
±
10 mA
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 sec) . . . . . . . . . . . . . . . . . . . . . . +215
°
C
Infrared (15 sec) . . . . . . . . . . . . . . . . . . . . . . . . . . +220
°
C
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
conditions for extended periods may affect device reliability.
2
Transient currents of up to 100 mA will not cause SCR latch-up.
PIN CONFIGURATIONS
DIP, SOIC, AND SSOP
13
16
15
14
24
23
22
21
20
19
18
17
TOP VIEW
(Not to Scale)
12
11
10
9
8
1
2
3
4
7
6
5
AD7858/
AD7858L
CONVST
DIN
CLKIN
SCLK
SYNC
BUSY
SLEEP
REF
IN
/REF
OUT
DV
DD
CAL
DGND
DOUT
AV
DD
AGND
C
REF1
C
REF2
AIN1
AIN2
AIN7
AIN8
AIN3
AIN4
AIN6
AIN5
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 AD7858/AD7858L 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.
WARNING!
ESD SENSITIVE DEVICE
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