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參數(shù)資料
| 型號： | MAX1031ACEG-T |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | ADC |
| 英文描述： | 10-Bit 300ksps ADCs with FIFO, Temp Sensor, Internal Reference |
| 中文描述： | 16-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO24 |
| 封裝： | 0.150 INCH, 0.025 INCH PITCH, MO-137AE, QSOP-24 |
| 文件頁數(shù)： | 15/23頁 |
| 文件大小： | 254K |
| 代理商： | MAX1031ACEG-T |
M
10-Bit 300ksps ADCs with FIFO,
Temp Sensor, Internal Reference
______________________________________________________________________________________
15
set to 1. Select scan mode 10 to scan the same channel
multiple times. Clock mode 11 disables averaging.
Reset Register
Write to the reset register (as shown in Table 7) to clear
the FIFO or to reset all registers to their default states.
Set the
RESET
bit to 1 to reset the FIFO. Set the reset
bit to zero to return the MAX1027/MAX1029/MAX1031
to its default power-up state.
Power-Up Default State
The MAX1027/MAX1029/MAX1031 power up with all
blocks in shutdown, including the reference. All registers
power up in state 00000000, except for the setup regis-
ter, which powers up in clock mode 10 (CKSEL1 = 1).
Temperature Measurements
The MAX1027/MAX1029/MAX1031 perform tempera-
ture measurements with an internal diode-connected
transistor. The diode bias current changes from 68μA
to 4μA to produce a temperature-dependent bias volt-
age difference. The second conversion result at 4μA is
subtracted from the first at 68μA to calculate a digital
value that is proportional to absolute temperature. The
output data appearing at DOUT is the above digital
code minus an offset to adjust from Kelvin to Celsius.
The reference voltage used for the temperature mea-
surements is derived from the internal reference source
to ensure a resolution of 1/8 of a degree.
Output Data Format
Figures 4–7 illustrate the conversion timing for the
MAX1027/MAX1029/MAX1031. The 10-bit conversion
result is output in MSB-first format with four leading
zeroes and two trailing sub-bits. The 12-bit temperature
measurement is output with four leading zeros. DIN
data is latched into the serial interface on the rising
edge of SCLK. Data on DOUT transitions on the falling
edge of SCLK. Conversions in clock modes 00 and 01
are initiated by
CNVST
. Conversions in clock modes 10
and 11 are initiated by writing an input data byte to the
conversion register. Data is binary for unipolar mode and
two’s complement for bipolar mode.
BIT NAME
UCH0/1
UCH2/3
UCH4/5
UCH6/7
UCH8/9
UCH10/11
UCH12/13
UCH14/15
BIT
FUNCTION
7 (MSB)
6
5
4
3
2
1
0 (LSB)
Set to 1 to configure AIN0 and AIN1 for unipolar differential conversion.
Set to 1 to configure AIN2 and AIN3 for unipolar differential conversion.
Set to 1 to configure AIN4 and AIN5 for unipolar differential conversion.
Set to 1 to configure AIN6 and AIN7 for unipolar differential conversion.
Set to 1 to configure AIN8 and AIN9 for unipolar differential conversion (MAX1029/MAX1031 only).
Set to 1 to configure AIN10 and AIN11 for unipolar differential conversion (MAX1029/MAX1031 only).
Set to 1 to configure AIN12 and AIN13 for unipolar differential conversion (MAX1031 only).
Set to 1 to configure AIN14 and AIN15 for unipolar differential conversion (MAX1031 only).
Table 4. Unipolar Mode Register (Addressed Through Setup Register)
BIT NAME
BCH0/1
BCH2/3
BCH4/5
BCH6/7
BCH8/9
BCH10/11
BCH12/13
BCH14/15
BIT
FUNCTION
7 (MSB)
6
5
4
3
2
1
0 (LSB)
Set to 1 to configure AIN0 and AIN1 for bipolar differential conversion.
Set to 1 to configure AIN2 and AIN3 for bipolar differential conversion.
Set to 1 to configure AIN4 and AIN5 for bipolar differential conversion.
Set to 1 to configure AIN6 and AIN7 for bipolar differential conversion.
Set to 1 to configure AIN8 and AIN9 for bipolar differential conversion (MAX1029/MAX1031 only).
Set to 1 to configure AIN10 and AIN11 for bipolar differential conversion (MAX1029/MAX1031 only).
Set to 1 to configure AIN12 and AIN13 for bipolar differential conversion (MAX1031 only).
Set to 1 to configure AIN14 and AIN15 for bipolar differential conversion (MAX1031 only).
Table 5. Bipolar Mode Register (Addressed Through Setup Register)
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1031AEEG | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX1031AEEG-T | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:10-Bit 300ksps ADCs with FIFO,Temp Sensor, Internal Reference |
| MAX1031BCEG | 功能描述:模數(shù)轉換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX1031BCEG+ | 功能描述:模數(shù)轉換器 - ADC 10Bit 300ksps w/FIFO Temp Sensor Int Ref RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX1031BCEG+T | 功能描述:模數(shù)轉換器 - ADC 10Bit 300ksps w/FIFO Temp Sensor Int Ref RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
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