参数资料
型号: AD7888ARU-REEL7
厂商: Analog Devices Inc
文件页数: 11/17页
文件大小: 0K
描述: IC ADC 12BIT 8CH SRL 16-TSSOP
标准包装: 1,000
位数: 12
采样率(每秒): 125k
数据接口: DSP,MICROWIRE?,QSPI?,串行,SPI?
转换器数目: 1
功率耗散(最大): 3.5mW
电压电源: 单电源
工作温度: -40°C ~ 105°C
安装类型: 表面贴装
封装/外壳: 16-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 16-TSSOP
包装: 带卷 (TR)
输入数目和类型: 8 个单端,单极
–3–
AD7888
Parameter
A Version
1
B Version
1
Unit
Test Condition/Comment
POWER REQUIREMENTS
VDD
2.7/5.25
V min/max
IDD
Normal Mode
5 (Static)
700
A max
Normal Mode (Operational)
700
A typ
fSAMPLE = 125 kSPS
Using Standby Mode
450
A typ
fSAMPLE = 50 kSPS
Using Shutdown Mode
80
A typ
fSAMPLE = 10 kSPS
12
A typ
fSAMPLE = 1 kSPS
Standby Mode
6
A max
VDD = 2.7 V to 5.25 V
Shutdown Mode
6
22
A max
VDD = 4.75 V to 5.25 V (0.5
A typ)
11
A max
VDD = 2.7 V to 3.6 V
Normal-Mode Power Dissipation
3.5
mW max
VDD = 5 V
2.1
mW max
VDD = 3 V
Shutdown Power Dissipation
10
W max
VDD = 5 V
33
W max
VDD = 3 V
Standby Power Dissipation
1
mW max
VDD = 5 V
600
W max
VDD = 3 V
NOTES
1Temperature ranges as follows: A Version: –40
°C to +105°C; B Version: –40°C to +105°C.
2See Terminology.
3SNR calculation includes distortion and noise components.
4Sample tested @ 25
°C to ensure compliance.
5All digital inputs @ GND except
CS @ V
DD. No load on the digital outputs. Analog inputs @ GND.
6SCLK @ 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
(TA = 25
°C unless otherwise noted)
VDD to AGND . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to +7 V
Analog Input Voltage to AGND . . . . . –0.3 V to VDD + 0.3 V
Digital Input Voltage to AGND . . . . . . –0.3 V to VDD + 0.3 V
Digital Output Voltage to AGND . . . . –0.3 V to VDD + 0.3 V
REFIN/REFOUT to AGND . . . . . . . . –0.3 V to VDD + 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) . . . . . . . . . . . . . . . . . . . . . .
°C to +105°C
Storage Temperature Range . . . . . . . . . . . –65
°C to +150°C
Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . 150
°C
SOIC, TSSOP Package, Power Dissipation . . . . . . . . 450 mW
θJA Thermal Impedance . . . . . . . . . . . . 124.9°C/W (SOIC)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150.4
°C/W (TSSOP)
θJC 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 kV
NOTES
1Stresses 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.
2Transient 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
REV. C
220
40
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