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AD7888ARZ-REEL7 bảng dữ liệu(PDF) 4 Page - Analog Devices

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Giải thích chi tiết về linh kiện  Micropower, 8-Channel, 125 kSPS, 12-Bit ADC in 16-Lead TSSOP
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AD7888ARZ-REEL7 bảng dữ liệu(HTML) 4 Page - Analog Devices

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–3–
AD7888
Parameter
A Version
1
B Version
1
Unit
Test Condition/Comment
POWER REQUIREMENTS
VDD
2.7/5.25
2.7/5.25
V min/max
IDD
Normal Mode
5 (Static)
700
700
µA max
Normal Mode (Operational)
700
700
µA typ
fSAMPLE = 125 kSPS
Using Standby Mode
450
450
µA typ
fSAMPLE = 50 kSPS
Using Shutdown Mode
80
80
µA typ
fSAMPLE = 10 kSPS
12
12
µA typ
fSAMPLE = 1 kSPS
Standby Mode
6
µA max
VDD = 2.7 V to 5.25 V
Shutdown Mode
6
22
µA max
VDD = 4.75 V to 5.25 V (0.5
µA typ)
11
µA max
VDD = 2.7 V to 3.6 V
Normal-Mode Power Dissipation
3.5
3.5
mW max
VDD = 5 V
2.1
2.1
mW max
VDD = 3 V
Shutdown Power Dissipation
10
10
µW max
VDD = 5 V
33
µW max
VDD = 3 V
Standby Power Dissipation
1
1
mW max
VDD = 5 V
600
600
µW 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
220
−40


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