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參數(shù)資料
型號(hào): AD8842ARZ-REEL
廠商: Analog Devices Inc
文件頁數(shù): 7/13頁
文件大小: 0K
描述: IC DAC 8BIT OCTAL 24SOIC
產(chǎn)品培訓(xùn)模塊: Data Converter Fundamentals
DAC Architectures
標(biāo)準(zhǔn)包裝: 1,000
系列: TrimDAC®
設(shè)置時(shí)間: 2.9µs
位數(shù): 8
數(shù)據(jù)接口: 串行
轉(zhuǎn)換器數(shù)目: 8
電壓電源: 雙 ±
功率耗散(最大): 135mW
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 24-SOIC(0.295",7.50mm 寬)
供應(yīng)商設(shè)備封裝: 24-SOIC
包裝: 帶卷 (TR)
輸出數(shù)目和類型: 8 電壓,雙極
采樣率(每秒): 500k
AD8842
REV.
–3–
DETAIL SERIAL DATA INPUT TIMING (PR = “1”)
SDI
1
0
A3
A2
A1
A0
D7
D6
D5
D4
D3
D2
D1
D0
0
LD
1
DAC REGISTER LOAD
VOUT
0V
+3V
CLK
1
0
tDS
tDH
tPD
tCH
tCL
tCKLD
tLD
tLDCK
tS
±1 LSB
±1 LSB ERROR BAND
SDO
CLK
LD
VOUT
(DATA OUT)
Ax or Dx
SDI
(DATA IN)
1
0
1
0
1
0
1
0
+3V
0V
PRESET TIMING
tS
±1 LSB
±1 LSB ERROR BAND
PR
VOUT
0
+3V
0V
1
tPR
Figure 3. Timing Diagram
ABSOLUTE MAXIMUM RATINGS
(TA = +25°C unless otherwise noted)
VDD to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V, +7 V
VSS to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +0.3 V, –7 V
VINx to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VDD, VSS
VOUTx to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VDD, VSS
Short Circuit IOUTx to GND . . . . . . . . . . . . . . . . . Continuous
Digital Input & Output Voltage to GND . . . . . . . . . . VDD, 0 V
Operating Temperature Range . . . . . . . . . . . . –40
°C to +85°C
Maximum Junction Temperature (TJ Max) . . . . . . . . . +150
°C
Storage Temperature . . . . . . . . . . . . . . . . . . . –65
°C to +150°C
Lead Temperature (Soldering, 10 sec) . . . . . . . . . . . . +300
°C
Package Power Dissipation . . . . . . . . . . . . . . . (TJ Max–TA)/
θ
JA
Thermal Resistance
θ
JA,
SOIC (SOL-24) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
°C/W
P-DIP (N-24) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
°C/W
WARNING!
ESD SENSITIVE DEVICE
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 AD8842 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.
A
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