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參數(shù)資料
| 型號： | EVAL-CONTROLBRD |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | 18-Bit, 2.5 LSB INL, 570 kSPS SAR ADC |
| 中文描述： | 18位，2.5 LSB INL和570 kSPS的SAR型ADC |
| 文件頁數(shù)： | 10/28頁 |
| 文件大?。?/td> | 1186K |
| 代理商： | EVAL-CONTROLBRD |
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AD7679
Pin No.
35
Mnemonic
CNVST
Type
1
DI
Description
Start Conversion. If CNVST is held HIGH when the acquisition phase (t
8
) is complete, the next falling
edge on CNVST puts the internal sample/hold into the hold state and initiates a conversion. If CNVST
is held LOW when the acquisition phase is complete, the internal sample/hold is put into the hold
state and a conversion is started immediately.
Must Be Tied to Analog Ground.
Reference Input Voltage and Internal Reference Buffer Output. Apply an external reference on this pin
if the internal reference buffer is not used. Should be decoupled effectively with or without the
internal buffer.
Reference Input Analog Ground.
Differential Negative Analog Input.
Differential Positive Analog Input.
Reference Buffer Input Voltage. The internal reference buffer has a fixed gain. It outputs 4.096 V
typically when 2.5 V is applied on this pin.
Allows Choice of Buffering Reference. When LOW, buffer is selected. When HIGH, buffer is
switched off.
36
37
AGND
REF
P
AI
38
39
43
46
REFGND
IN–
IN+
REFBUFIN
AI
AI
AI
AI
48
PDBUF
DI
1
AI = Analog Input; AO = Analog Output; DI = Digital Input; DI/O = Bidirectional Digital; DO = Digital Output; P = Power.
Table 7. Data Bus Interface Definitions
MODE
MODE1
MODE0
D0/OB/2C
D1/A0
0
0
0
R[0]
R[1]
1
0
1
OB/2C
A0:0
1
0
1
OB/2C
A0:1
2
1
0
OB/2C
A0:0
2
1
0
OB/2C
A0:0
2
1
0
OB/2C
A0:1
2
1
0
OB/2C
A0:1
3
1
1
OB/2C
R[0:17] is the 18-bit ADC value stored in its output register.
D2/A1
R[2]
R[2]
R[0]
A1:0
A1:1
A1:0
A1:1
All Hi-Z
D[3]
R[3]
R[3]
R[1]
D[4:9]
R[4:9]
R[4:9]
D[10:11]
R[10:11]
R[10:11]
D[12:15]
R[12:15]
R[12:15]
All Zeros
R[12:15]
R[4:7]
D[16:17]
R[16:17]
R[16:17]
Description
18-Bit Parallel
16-Bit High Word
16-Bit Low Word
8-Bit HIGH Byte
8-Bit MID Byte
8-Bit LOW Byte
8-Bit LOW Byte
Serial Interface
All Hi-Z
All Hi-Z
All Hi-Z
All Hi-Z
R[10:11]
R[2:3]
R[0:1]
R[16:17]
R[8:9]
All Zeros
All Zeros
Serial Interface
R[0:1]
Rev. 0 | Page 10 of 28
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| EVAL-AD7650CB | Evaluation Board AD766X/AD767X |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| EVAL-CONTROLBRD2 | 制造商:AD 制造商全稱:Analog Devices 功能描述:250 kSPS, 6-Channel,Simultaneous Sampling, Bipolar 12/14/16-Bit ADC |
| EVAL-CONTROL-BRD2 | 制造商:AD 制造商全稱:Analog Devices 功能描述:4-Channel, 1.5 MSPS, 10-Bit and 12-Bit Parallel ADCs with a Sequencer |
| EVAL-CONTROLBRD22 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Differential Input, Dual 2 MSPS, 12-Bit, 3-Channel SAR ADC |
| EVALCONTROLBRD23 | 制造商:AD 制造商全稱:Analog Devices 功能描述:1.75 MSPS, 4 mW 10-Bit/12-Bit Parallel ADCs |
| EVAL-CONTROLBRD23 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Pseudo Differential, 555 kSPS, 12-Bit ADC in an 8-Lead SOT-23 |
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