C
參數(shù)資料
型號(hào): AD7655ASTZ
廠商: Analog Devices Inc
文件頁數(shù): 7/28頁
文件大?。?/td> 0K
描述: IC ADC 16BIT 1MSPS QUAD 48-LQFP
標(biāo)準(zhǔn)包裝: 1
系列: PulSAR®
位數(shù): 16
采樣率(每秒): 1M
數(shù)據(jù)接口: 串行,并聯(lián)
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 135mW
電壓電源: 模擬和數(shù)字
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 48-LQFP
供應(yīng)商設(shè)備封裝: 48-LQFP(7x7)
包裝: 托盤
輸入數(shù)目和類型: 2 個(gè)差分,單極
產(chǎn)品目錄頁面: 778 (CN2011-ZH PDF)
配用: EVAL-AD7655CBZ-ND - BOARD EVALUATION FOR AD7655
AD7655
Rev. B | Page 15 of 28
AVDD
AGND
DGND
DVDD OVDD
OGND
SER/PAR
CNVST
BUSY
SDOUT
SCLK
RD
CS
RESET
PD
REFGND
CREF
2.5V REF
NOTE 1
REF
REF A
REF B
30
Ω
D
CLOCK
AD7655
μC/μP/
DSP
SERIAL PORT
DIGITAL SUPPLY
(3.3V OR 5V)
ANALOG
SUPPLY
(5V)
DVDD
A/B
NOTE 7
BYTESWAP
DVDD
50k
Ω
100nF
1M
Ω
INA1
CC
2.7nF
U1
NOTE 4
NOTE 5
50
Ω
-
+
10
Ω
2.7nF
U2
NOTE 4
NOTE 5
50
Ω
-
+
10
Ω
INAN
INA2
NOTE 2
NOTE 3
NOTE 6
AD780
10
μF
100nF
+
100nF
+
100nF
+
10
μF
50
Ω
+
NOTES
1. SEE VOLTAGE REFERENCE INPUT SECTION.
2. WITH THE RECOMMENDED VOLTAGE REFERENCES, CREF IS 47μF. SEE VOLTAGE REFERENCE INPUT SECTION.
3. OPTIONAL CIRCUITRY FOR HARDWARE GAIN CALIBRATION.
4. THE AD8021 IS RECOMMENDED. SEE DRIVER AMPLIFIER CHOICE SECTION.
5. SEE ANALOG INPUTS SECTION.
6. OPTIONAL, SEE POWER SUPPLY SECTION.
7. OPTIONAL LOW JITTER CNVST. SEE CONVERSION CONTROL SECTION.
A0
INB1
2.7nF
U3
NOTE 4
NOTE 5
50
Ω
-
+
10
Ω
INBN
2.7nF
U4
NOTE 4
NOTE 5
50
Ω
-
+
10
Ω
INB2
ANALOG INPUT A1
ANALOG INPUT A2
ANALOG INPUT B1
ANALOG INPUT B2
CC
10
μF
1
μF
03536-017
NOTE 1
Figure 17. Typical Connection Diagram (Serial Interface)
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