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参数资料
| 型号： | AD7322BRUZ-REEL |
| 厂商： | Analog Devices Inc |
| 文件页数： | 19/37页 |
| 文件大小： | 0K |
| 描述： | IC ADC 12BIT+SAR 2CHAN 14-TSSOP |
| 标准包装： | 2,500 |
| 位数： | 12 |
| 采样率（每秒）： | 1M |
| 数据接口： | DSP，MICROWIRE?，QSPI?，串行，SPI? |
| 转换器数目： | 1 |
| 功率耗散（最大）： | 30mW |
| 电压电源： | 双 ± |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 14-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 14-TSSOP |
| 包装： | 带卷 (TR) |
| 输入数目和类型： | 2 个单端，单极；2 个单端，双极；1 个差分，单极；1 个差分，双极 |
| 配用： | EVAL-AD7322CBZ-ND - BOARD EVALUATION FOR AD7322 |
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Data Sheet
AD7322
Rev. B | Page 25 of 36
SEQUENCER OPERATION
The AD7322 can be configured to convert a sequence of
consecutive channels (see Figure 44). This sequence begins by
converting on Channel 0 and ends with a final channel selected
by Bit ADD0 in the control register. To operate the AD7322 in
this mode, set Seq1 to 1 and Seq2 to 0, and then select the final
channel in the sequence by programming Bit ADD0 in the
control register.
When the control register is configured to operate the AD7322
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 AD7322 is configured to operate in traditional multichannel
mode, where a write to Channel Address Bit ADD0 in the control
register selects the next channel for conversion.
04
86
3-
0
32
DIN: WRITE TO RANGE REGISTER TO SELECT THE RANGE
FOR THE 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 CHANNEL1, RANGE AS
SELECTED IN RANGE REGISTER.
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 AS
SELECTED IN RANGE REGISTER.
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.
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 44. Flowchart for Consecutive Sequence of Channels
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| AD7322BRUZ-REEL7 | 功能描述:IC ADC 12BIT+ SAR 2CHAN 14TSSOP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 标准包装:1,000 系列:- 位数:16 采样率（每秒）:45k 数据接口:串行 转换器数目:2 功率耗散（最大）:315mW 电压电源:模拟和数字 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:28-SOIC（0.295"，7.50mm 宽） 供应商设备封装:28-SOIC W 包装:带卷 (TR) 输入数目和类型:2 个单端，单极 |
| AD7322LYRU | 制造商:Analog Devices 功能描述: |
| AD7323 | 制造商:AD 制造商全称:Analog Devices 功能描述:500 kSPS, 4-Channel, Software-Selectable, True Bipolar Input, 12-Bit Plus Sign ADC |
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