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参数资料
| 型号： | AD7851KRZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 4/36页 |
| 文件大小： | 0K |
| 描述： | IC ADC 14BIT SRL 333KSPS 24-SOIC |
| 标准包装： | 31 |
| 位数： | 14 |
| 采样率（每秒）： | 333k |
| 数据接口： | 8051，QSPI?，串行，SPI? µP |
| 转换器数目： | 2 |
| 功率耗散（最大）： | 89.25mW |
| 电压电源： | 模拟和数字 |
| 工作温度： | 0°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 24-SOIC W |
| 包装： | 管件 |
| 输入数目和类型： | 1 个伪差分，单极；1 个伪差分，双极 |
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AD7851
–12–
REV. B
STATUS REGISTER
The arrangement of the status register is shown below. The status register is a read-only register and contains 16 bits of data. The
status register is selected by first writing to the control register and putting two 1s in RDSLT1 and RDSLT0. The function of the
bits in the status register is described below. The power-up status of all bits is 0.
WRITE TO CONTROL REGISTER
SETTING RDSLT0 = RDSLT1 = 1
READ STATUS REGISTER
START
Figure 6. Flowchart for Reading the Status Register
MSB
ZERO
BUSY
ZERO
PMGT1
PMGT0
RDSLT1
RDSLT0
2/3 MODE
X
CALMD
CALSLT1
CALSLT0
STCAL
LSB
Status Register Bit Function Descriptions
Bit No.
Mnemonic
Comment
15
ZERO
This bit is always 0.
14
BUSY
Conversion/Calibration Busy Bit. When this bit is 1, this indicates that there is a conversion or calibration
in progress. When this bit is 0, there is no conversion or calibration in progress.
13
ZERO
These four bits are always 0.
12
ZERO
11
ZERO
10
ZERO
9PMGT1
Power Management Bits. These bits along with the
SLEEP pin will indicate whether the part is in a power-
8PMGT0
down mode. (See Table VI in the Power-Down Options section for description.)
7
RDSLT1
Both these bits are always 1 indicating it is the status register that is being read. (See Table II.)
6
RDSLT0
52/
3 MODE
Interface Mode Select Bit. With this bit 0, the device is in Interface Mode 2. With this bit 1, the device is in
Interface Mode 1. This bit is reset to 0 after every read cycle.
4X
Don’t care bit.
3
CALMD
Calibration Mode Bit. A 0 in this bit indicates self-calibration is selected, and 1 in this bit indicates a system
calibration is selected (see Table III).
2
CALSLT1
Calibration Selection Bits and Start Calibration Bit. The STCAL bit is read as a 1 if a calibration is in
1
CALSLT0
progress and as a 0 if there is no calibration in progress. The CALSLT1 and CALSLT0 bits indicate which
0
STCAL
of the calibration registers are addressed for reading and writing (see the Calibration Registers section for
more details)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD7851KRZ3 | 制造商:AD 制造商全称:Analog Devices 功能描述:14-Bit 333 kSPS Serial A/D Converter |
| AD7851KRZ-REEL | 功能描述:IC ADC 14BIT SRL 333KSPS 24-SOIC 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:12 采样率（每秒）:300k 数据接口:并联 转换器数目:1 功率耗散（最大）:75mW 电压电源:单电源 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:24-SOIC（0.295"，7.50mm 宽） 供应商设备封装:24-SOIC 包装:带卷 (TR) 输入数目和类型:1 个单端，单极；1 个单端，双极 |
| AD7851KRZ-REEL3 | 制造商:AD 制造商全称:Analog Devices 功能描述:14-Bit 333 kSPS Serial A/D Converter |
| AD7853 | 制造商:AD 制造商全称:Analog Devices 功能描述:3 V to 5 V Single Supply, 200 kSPS 12-Bit Sampling ADCs |
| AD7853AN | 制造商:Analog Devices 功能描述:ADC Single SAR 200ksps 12-bit Serial 24-Pin PDIP 制造商:Analog Devices 功能描述:ADC SGL SAR 200KSPS 12-BIT SERL 24PDIP - Rail/Tube 制造商:Rochester Electronics LLC 功能描述:SELF CAL.SERIAL 12-BIT ADC I.C. - Bulk 制造商:Analog Devices 功能描述:3 V to 5 V Single Supply, 200 kSPS 12-Bit Sampling ADCs |
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