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參數(shù)資料
| 型號： | AD7327BRUZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 20/37頁 |
| 文件大小： | 0K |
| 描述： | IC ADC 12BIT+ SAR 8CHAN 20TSSOP |
| 標(biāo)準(zhǔn)包裝： | 75 |
| 位數(shù)： | 12 |
| 采樣率（每秒）： | 500k |
| 數(shù)據(jù)接口： | DSP，MICROWIRE?，QSPI?，串行，SPI? |
| 轉(zhuǎn)換器數(shù)目： | 1 |
| 功率耗散（最大）： | 17mW |
| 電壓電源： | 雙 ± |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 20-TSSOP（0.173"，4.40mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 20-TSSOP |
| 包裝： | 管件 |
| 輸入數(shù)目和類型： | 8 個單端，單極；8 個單端，雙極；4 個差分，單極；4 個差分，雙極 |
| 產(chǎn)品目錄頁面： | 777 (CN2011-ZH PDF) |
| 配用： | EVAL-AD7327CBZ-ND - BOARD EVALUATION FOR AD7327 |
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AD7327
Rev. B | Page 26 of 36
If a change to one of the range registers is required during a
sequence, it is necessary to first stop the sequence by writing to
the control register and setting Seq1 to 0 and Seq2 to 0. Next,
the write to the range register should be completed to change
the required range. The previously selected sequence should
then be initiated again by writing to the control register and
setting Seq1 to 0 and Seq2 to 1. The ADC converts the first
channel in the sequence.
The AD7327 can be configured to convert a sequence of
consecutive channels (see Figure 45). This sequence begins by
converting on Channel 0 and ends with a final channel as
selected by Bit ADD2 to Bit ADD0 in the control register. In
this configuration, there is no need for a write to the sequence
register. To operate the AD7327 in this mode, set Seq1 to 1 and
Seq2 to 0, and then select the final channel in the sequence by
programming Bit ADD2 to Bit ADD0 in the control register.
Once the control register is configured to operate the AD7327
in this mode, the DIN line can be held low or the write bit can
be set to 0. To return to traditional multichannel operation, a
write to the control register to set Seq1 to 0 and Seq2 to 0 is
necessary.
When Seq1 and Seq2 are both set to 0, or when both are set
to 1, the AD7327 is configured to operate in traditional multi-
channel mode, where a write to the Channel Address Bit ADD2
to Bit ADD0 in the control register selects the next channel for
conversion.
DIN: WRITE TO RANGE REGISTER 1 TO SELECT THE RANGE
FOR ANALOG INPUT CHANNELS.
DOUT: CONVERSION RESULT FROM CHANNEL 0, ±10V
RANGE, SINGLE-ENDED MODE.
CS
DIN: WRITE BIT = 0 OR DIN LINE HELD LOW TO CONTINUE
THROUGH SEQUENCE OF CONSECUTIVE CHANNELS.
DOUT: CONVERSION RESULT FROM CHANNEL 1,
RANGE SELECTED IN RANGE REGISTER 1.
CS
DIN: WRITE TO RANGE REGISTER 2 TO SELECT THE RANGE
FOR ANALOG INPUT CHANNELS.
DOUT: CONVERSION RESULT FROM CHANNEL 0,
RANGE SELECTED IN RANGE REGISTER 1,
SINGLE-ENDED MODE.
CS
DIN: WRITE BIT = 0 OR DIN LINE HELD LOW TO CONTINUE
TO CONVERT THROUGH THE SEQUENCE OF
CONSECUTIVE CHANNELS.
DOUT: CONVERSION RESULT FROM CHANNEL 0,
RANGE SELECTED IN RANGE REGISTER 1.
CS
DIN: WRITE TO CONTROL REGISTER TO SELECT THE FINAL
CHANNEL IN THE CONSECUTIVE SEQUENCE, SET Seq1 = 1
AND Seq2 = 0. SELECT OUTPUT CODING FOR SEQUENCE.
DOUT: CONVERSION RESULT FROM CHANNEL 0,
RANGE SELECTED IN RANGE REGISTER 1,
SINGLE-ENDED MODE.
CS
POWER ON.
DIN TIED LOW/WRITE BIT = 0.
0
5
401
-03
2
CONTINUOUSLY CONVERT
ON CONSECUTIVE SEQUENCE
OF CHANNELS.
DIN: WRITE TO CONTROL
REGISTER TO STOP THE
SEQUENCE, Seq1 = 0, Seq2 = 0.
DOUT: CONVERSION RESULT
FROM CHANNEL IN SEQUENCE.
CS
STOPPING
A SEQUENCE.
Figure 45. Flowchart for Consecutive Sequence of Channels
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參數(shù)描述 |
|---|---|
| AD7327BRUZ-REEL | 功能描述:IC ADC 12BIT+SAR 8CHAN 20-TSSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 位數(shù):16 采樣率（每秒）:45k 數(shù)據(jù)接口:串行 轉(zhuǎn)換器數(shù)目:2 功率耗散（最大）:315mW 電壓電源:模擬和數(shù)字 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:28-SOIC W 包裝:帶卷 (TR) 輸入數(shù)目和類型:2 個單端，單極 |
| AD7327BRUZ-REEL7 | 功能描述:IC ADC 12BIT+ SAR 8CHAN 20TSSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 位數(shù):16 采樣率（每秒）:45k 數(shù)據(jù)接口:串行 轉(zhuǎn)換器數(shù)目:2 功率耗散（最大）:315mW 電壓電源:模擬和數(shù)字 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:28-SOIC W 包裝:帶卷 (TR) 輸入數(shù)目和類型:2 個單端，單極 |
| AD7328 | 制造商:AD 制造商全稱:Analog Devices 功能描述:8-Channel, Software-Selectable True Bipolar Input, 12-Bit Plus Sign ADC |
| AD7328BRUZ | 功能描述:IC ADC 12BIT+ SAR 8CHAN 20TSSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:iCMOS® 標(biāo)準(zhǔn)包裝:1 系列:microPOWER™ 位數(shù):8 采樣率（每秒）:1M 數(shù)據(jù)接口:串行，SPI? 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:- 電壓電源:模擬和數(shù)字 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:24-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:24-VQFN 裸露焊盤（4x4） 包裝:Digi-Reel® 輸入數(shù)目和類型:8 個單端，單極 產(chǎn)品目錄頁面:892 (CN2011-ZH PDF) 其它名稱:296-25851-6 |
| AD7328BRUZ | 制造商:Analog Devices 功能描述:A/D Converter (A-D) IC |
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