VOUT DUTGND GND SIGNAL GND S" />
參數(shù)資料
型號: AD5531BRU
廠商: Analog Devices Inc
文件頁數(shù): 6/20頁
文件大?。?/td> 0K
描述: IC DAC 14BIT SRL IN/VOUT 16TSSOP
產(chǎn)品培訓(xùn)模塊: Data Converter Fundamentals
DAC Architectures
標(biāo)準(zhǔn)包裝: 1
設(shè)置時間: 20µs
位數(shù): 14
數(shù)據(jù)接口: 串行
轉(zhuǎn)換器數(shù)目: 1
電壓電源: 模擬和數(shù)字
功率耗散(最大): 60mW
工作溫度: -40°C ~ 85°C
安裝類型: 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: 管件
輸出數(shù)目和類型: 1 電壓,雙極
采樣率(每秒): 50k
AD5530/AD5531
Rev. B | Page 14 of 20
0
09
38
-02
1
C1
1F
R1
10k
9
2
6
+15V
VOUT
DUTGND
GND
SIGNAL
GND
SIGNAL
GND
1ADDITIONAL PINS OMITTED FOR CLARITY.
VOUT
(–10V TO +10V)
REFIN
REFAGND
AD5530/
AD55311
VSS
–15V
5
4
AD586
OUTPUT VOLTAGE
The DAC transfer function is as follows:
N
D
2
VOUT = 2 × [2 × ((REFIN REFAGND) ×
) + 2 ×
REFAGND REFIN] DUTGND
where:
D is the decimal data-word loaded to the DAC register.
N is the resolution of the DAC.
BIPOLAR CONFIGURATION
Figure 21 shows the AD5530/AD5531 in a bipolar circuit
configuration. REFIN is driven by the AD586, 5 V reference,
and the REFAGND and DUTGND pins are tied to GND. This
results in a bipolar output voltage ranging from 10 V to +10 V.
Resistor R1 is provided (if required) for gain adjust.
Figure 21. Bipolar ±10 V Operation
009
38
-02
2
2 REFIN
–2 REFIN
DAC INPUT CODE 000 001
(3)FFF
DAC
O
UT
P
UT
V
O
L
T
AG
E
0V
shows the transfer function of the DAC when REFAGND is tied
to 0 V.
Figure 22. Output Voltage vs. DAC Input Codes (Hex)
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