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參數資料
| 型號： | AD7888 |
| 廠商： | Analog Devices, Inc. |
| 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： | 2.7 V至5.25 V，微功耗，8通道，125 kSPS的，12位ADC的16引腳TSSOP |
| 文件頁數： | 3/16頁 |
| 文件大?。?/td> | 164K |
| 代理商： | AD7888 |
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.
相關PDF資料 |
PDF描述 |
|---|---|
| AD7888AR | +2.7 V to +5.25 V, Micropower, 8-Channel, 125 kSPS, 12-Bit ADC in 16-Lead TSSOP |
| AD7888ARU | +2.7 V to +5.25 V, Micropower, 8-Channel, 125 kSPS, 12-Bit ADC in 16-Lead TSSOP |
| AD7888BR | +2.7 V to +5.25 V, Micropower, 8-Channel, 125 kSPS, 12-Bit ADC in 16-Lead TSSOP |
| AD7888BRU | +2.7 V to +5.25 V, Micropower, 8-Channel, 125 kSPS, 12-Bit ADC in 16-Lead TSSOP |
| AD7889 | 12-Bit 600 kSPS ADC(單電源600kSPS12位A/D轉換器) |
相關代理商/技術參數 |
參數描述 |
|---|---|
| AD7888AR | 制造商:Analog Devices 功能描述:ADC Single SAR 125ksps 12-bit Serial 16-Pin SOIC N 制造商:Analog Devices 功能描述:IC 12BIT ADC 8CH MICROPOWER 7888 |
| AD7888AR-REEL | 制造商:Analog Devices 功能描述:ADC Single SAR 125ksps 12-bit Serial 16-Pin SOIC N T/R |
| AD7888AR-REEL7 | 制造商:Analog Devices 功能描述:ADC Single SAR 125ksps 12-bit Serial 16-Pin SOIC N T/R |
| AD7888ARU | 功能描述:IC ADC 12BIT 8CH 125KSPS 16TSSOP RoHS:否 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:- 標準包裝:1,000 系列:- 位數:12 采樣率（每秒）:300k 數據接口:并聯 轉換器數目:1 功率耗散（最大）:75mW 電壓電源:單電源 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:24-SOIC（0.295"，7.50mm 寬） 供應商設備封裝:24-SOIC 包裝:帶卷 (TR) 輸入數目和類型:1 個單端，單極；1 個單端，雙極 |
| AD7888ARU-REEL | 功能描述:IC ADC 12BIT 8CH SRL 16-TSSOP RoHS:否 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:- 標準包裝:1,000 系列:- 位數:16 采樣率（每秒）:45k 數據接口:串行 轉換器數目:2 功率耗散（最大）:315mW 電壓電源:模擬和數字 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應商設備封裝:28-SOIC W 包裝:帶卷 (TR) 輸入數目和類型:2 個單端，單極 |
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