參數(shù)資料
型號(hào): AD8842ARZ-REEL
廠商: Analog Devices Inc
文件頁數(shù): 9/13頁
文件大?。?/td> 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.
–5–
Table I. Serial Input Decode Table
Table II. Input Logic Control Truth Table
CLK
LD
PR
Input Shift Register Operation
L
H
No Operation
L
H
Shift One Bit in from SDI (Pin 20), Shift One Bit* Out from SDO (Pin 18)
X
L
All DAC Registers = 80H
X
Η
H
Load Serial Register Data into DAC(X) Register
X
H
X
Serial Data Input Register Loading Disabled
*Data shifted into the SDI pin appears twelve clocks later at the SDO pin.
LSB
D0
D1
D2
D3
D4
D5
D6
MSB
D7
LSB
A0
A1
A2
MSB
A3
LAST
FIRST
A3
A2
A1
A0
ADDRESS
DATA
MSB
LSB
DAC UPDATED
NO OPERATION
DAC A
DAC B
DAC C
DAC D
DAC H
NO OPERATION
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
D7
D6
D5
D4
D3
D2
D1
D0
DAC OUTPUT VOLTAGE
VOUT = (D/128 –1) x VIN
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
MSB
LSB
–VIN
(1/128–1) x VIN
(127/128–1) x VIN
(128/128–1) x VIN = 0V; (PRESET VALUE)
(129/128–1) x VIN
(254/128–1) x VIN
(255/128–1) x VIN ≈ VIN
0
1
0
1
A
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