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參數資料
| 型號： | AD7888BRU |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | ADC |
| 英文描述： | +2.7 V to +5.25 V, Micropower, 8-Channel, 125 kSPS, 12-Bit ADC in 16-Lead TSSOP |
| 中文描述： | 8-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO16 |
| 封裝： | TSSOP-16 |
| 文件頁數： | 3/16頁 |
| 文件大小： | 164K |
| 代理商： | AD7888BRU |
REV. 0
–3–
AD7888
Parameter
A Version
1
B Version
1
Units
Test Conditions/Comments
POWER REQUIREMENTS
V
DD
I
DD
Normal Mode
5
(Static)
Normal Mode
(Operational)
Using Standby Mode
Using Shutdown Mode
+2.7/+5.25
+2.7/+5.25
V min/max
700
700
450
80
12
200
2
1
3.5
2.1
10
3
1
600
700
700
450
80
12
200
2
1
3.5
2.1
10
3
1
600
μ
A max
μ
A typ
μ
A typ
μ
A typ
μ
A typ
μ
A max
μ
A max
μ
A max
mW max
mW max
μ
W max
μ
W max
mW max
μ
W max
f
SAMPLE
= 125 kSPS
f
SAMPLE
= 50 kSPS
f
SAMPLE
= 10 kSPS
f
SAMPLE
= 1 kSPS
V
DD
= +2.7 V to +5.25 V
V
DD
= +4.75 V to +5.25 V (0.5
μ
A typ)
V
DD
= +2.7 V to +3.6 V
V
DD
= +5 V
V
DD
= +3 V
V
DD
= +5 V
V
DD
= +3 V
V
DD
= +5 V
V
DD
= +3 V
Standby Mode
6
Shutdown Mode
6
Normal-Mode Power Dissipation
Shutdown Power Dissipation
Standby Power Dissipation
NOTES
1
Temperature ranges as follows: A Version: –40
°
C to +105
°
C; B Version: 0
°
C to +105
°
C.
2
See Terminology.
3
SNR calculation includes distortion and noise components.
4
Sample tested @ +25
°
C to ensure compliance.
5
All digital inputs @ GND except
CS
@ V
. No load on the digital outputs. Analog inputs @ GND.
6
SCLK @ GND when SCLK off. All digital inputs @ GND except for
CS
@ V
DD
. No load on the digital outputs. Analog inputs @ GND.
Specifications subject to change without notice.
ABSOLUTE MAXIMUM RATINGS
1
(T
A
= +25
°
C unless otherwise noted)
V
DD
to AGND . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to +7 V
Analog Input Voltage to AGND . . . . . –0.3 V to V
DD
+ 0.3 V
Digital Input Voltage to AGND . . . . . . –0.3 V to V
DD
+ 0.3 V
Digital Output Voltage to AGND . . . . –0.3 V to V
DD
+ 0.3 V
REFIN/REFOUT to AGND . . . . . . . . –0.3 V to V
DD
+ 0.3 V
Input Current to Any Pin Except Supplies
2
. . . . . . . .
±
10 mA
Operating Temperature Range
Commercial
(A Version) . . . . . . . . . . . . . . . . . . . . . . –40
°
C to +105
°
C
(B Version) . . . . . . . . . . . . . . . . . . . . . . . 0
°
C to +105
°
C
Storage Temperature Range . . . . . . . . . . . –65
°
C to +150
°
C
Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . +150
°
C
SOIC, TSSOP Package, Power Dissipation . . . . . . . . 450 mW
θ
JA
Thermal Impedance . . . . . . . . . . . . 124.9
°
C/W (SOIC)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150.4
°
C/W (TSSOP)
θ
JC
Thermal Impedance . . . . . . . . . . . . . 42.9
°
C/W (SOIC)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27.6
°
C/W (TSSOP)
Lead Temperature, Soldering
Vapor Phase (60 secs) . . . . . . . . . . . . . . . . . . . . . +215
°
C
Infrared (15 secs) . . . . . . . . . . . . . . . . . . . . . . . . +220
°
C
ESD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5 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
conditions for extended periods may affect device reliability.
2
Transient currents of up to 100 mA will not cause SCR latch-up.
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 AD7888 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
ORDERING GUIDE
Linearity
Error
(LSB)
1
Package
Descriptions
Package
Options
Model
AD7888AR
AD7888BR
2
AD7888ARU
AD7888BRU
2
EVAL-AD7888CB
3
EVAL-CONTROL BOARD
4
±
2
±
1
±
2
±
1
SOIC
SOIC
TSSOP
TSSOP
R-16A
R-16A
RU-16
RU-16
NOTES
1
Linearity error here refers to integral linearity error.
2
Contact factory for availability.
3
This can be used as a stand-alone evaluation board or in conjunction with the
EVAL-CONTROL BOARD for evaluation/demonstration purposes.
4
This board is a complete unit allowing a PC to control and communicate with all
Analog Devices evaluation boards ending in the CB designators.
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| AD7890AR-4 | Circular Connector Cable Assembly; Connector Type A:Circular Receptacle; Connector Type B:Stripped End Leads; Cable Length:10ft RoHS Compliant: Yes |
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| AD7890BN-2 | Slide Switch; Circuitry:SPDT; Contact Current Max:4A; Switch Operation:On-On; Switch Terminals:Through Hole; Actuator Style:Vertical Flush; Leaded Process Compatible:Yes; Mounting Type:PCB; Switch Features:Vertical Flush Actuator RoHS Compliant: Yes |
相關代理商/技術參數 |
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| AD7889-1ACBZ-500R7 | 功能描述:IC ADC 12BIT CTRLR TOUCH 12WLCSP RoHS:是 類別:集成電路 (IC) >> 數據采集 - 觸摸屏控制器 系列:- 標準包裝:96 系列:- 類型:- 觸摸面板接口:- 輸入數/鍵:- 分辨率（位）:- 評估套件:* 數據接口:- 數據速率/采樣率 (SPS，BPS):- 電壓基準:- 電源電壓:- 電流 - 電源:- 工作溫度:- 安裝類型:表面貼裝 封裝/外殼:16-TSSOP（0.173"，4.40mm 寬） 供應商設備封裝:16-TSSOP 包裝:帶卷 (TR) |
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