ABSOLUTE MAXIMUM RATINGS* (TA
參數(shù)資料
型號(hào): AD7782BRU-REEL
廠商: Analog Devices Inc
文件頁(yè)數(shù): 8/12頁(yè)
文件大?。?/td> 0K
描述: IC ADC 24BIT 2CH 16-TSSOP T/R
標(biāo)準(zhǔn)包裝: 2,500
位數(shù): 24
采樣率(每秒): 19.79
數(shù)據(jù)接口: DSP,MICROWIRE?,QSPI?,串行,SPI?
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 3.9mW
電壓電源: 單電源
工作溫度: -40°C ~ 85°C
安裝類(lèi)型: 表面貼裝
封裝/外殼: 16-TSSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 16-TSSOP
包裝: 帶卷 (TR)
輸入數(shù)目和類(lèi)型: 2 個(gè)差分,單極;2 個(gè)差分,雙極
AD7782
–5–
ABSOLUTE MAXIMUM RATINGS*
(TA = 25
°C unless otherwise noted)
VDD to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to +7 V
Analog Input Voltage to GND . . . . . . . . –0.3 V to VDD + 0.3 V
Reference Input Voltage to GND . . . . . –0.3 V to VDD + 0.3 V
Total AIN/REFIN Current (Indefinite) . . . . . . . . . . . . . 30 mA
Digital Input Voltage to GND . . . . . . . . –0.3 V to VDD + 0.3 V
Digital Output Voltage to GND . . . . . . –0.3 V to VDD + 0.3 V
Operating Temperature Range . . . . . . . . . . . . –40
°C to +85°C
Storage Temperature Range . . . . . . . . . . . . . –65
°C to +150°C
Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . 150
°C
TSSOP Package
θ
JA Thermal Impedance
. . . . . . . . . . . . . . . . . . . . . 97.9
°C/W
θJC Thermal Impedance . . . . . . . . . . . . . . . . . . . . . . 14°C/W
Lead Temperature, Soldering
Vapor Phase (60 sec) . . . . . . . . . . . . . . . . . . . . . . . . . 215
°C
Infrared (15 sec) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220
°C
*Stresses above those listed under Absolute Maximum Ratings may cause per-
manent 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.
CH1/CH2 (I)
CS (I)
DOUT/
RDY
SLAVE MODE
SCLK (I)
MASTER MODE
SCLK (O)
I = INPUT TO AD7782, O = OUTPUT FROM AD7782
t2
t3
t4
t5
t6
t7
t5
t11
t6
t7
t9
t8
MSB
LSB
MSB
t10
Figure 2. Slave/Master Mode Timing Diagram
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 AD7782 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. A
MASTER MODE IS SELECTED BY TYING THE MODE PIN LOW, WHEREAS SLAVE MODE IS SELECTED BY TYING THE MODE PIN HIGH.
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