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參數資料
| 型號： | MAX1415ENE |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | ADC |
| 英文描述： | 16-Bit, Low-Power, 2-Channel, Sigma-Delta ADCs |
| 中文描述： | 2-CH 16-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDIP16 |
| 封裝： | 0.300 INCH, PLASTIC, MS-001AA, DIP-16 |
| 文件頁數： | 27/36頁 |
| 文件大小： | 669K |
| 代理商： | MAX1415ENE |
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Set CLK = 0 if the external clock frequency is 1MHz
with CLKDIV = 0 or 2MHz with CLKDIV = 1.
FS1, FS0:
(Default = 0, 1) Filter-Selection Bits. These bits,
in addition to the CLK bit, determine the output data rate
and the digital filter cutoff frequency. See Table 13 for
FS1 and FS0 settings. Recalibrate when the filter charac-
teristics are changed.
Data Register
The data register is a 16-bit read-only register. Figure 9
shows how to read conversion results using the
data register.
The data from the data register is read through DOUT.
DOUT changes on the falling edge of SCLK and is valid
on the rising edge of SCLK. The data-register format is
16-bit straight binary for unipolar mode with zero scale
equal to 0x0000, and offset binary for bipolar mode
with zero scale equal to 0x1000.
Test Register
This register is reserved for factory testing of the
device. For proper operation of the MAX1415/
MAX1416, do not change this register from its default
power-on reset values.
Offset and Gain-Calibration Registers
The MAX1415/MAX1416 contain one offset register and
one gain register for each input channel. Each register
is 24 bits wide and can be written and read. The offset
registers store the calibration coefficients resulting from
a zero-scale calibration, and the gain registers store
the calibration coefficients resulting from a full-scale
calibration. The data stored in these registers are 24-bit
straight binary values representing the offset or gain
errors associated with the selected channel. A 24-bit
read or write operation can be performed on the cali-
bration registers for any selected channel. During a
write operation, 24 bits of data must be written to the
register, or no data is transferred.
M
16-Bit, Low-Power, 2-Channel,
Sigma-Delta ADCs
______________________________________________________________________________________
27
Table 13. Output Data Rate and Notch Frequency vs. Filter Select and CLKIN Frequency
CLKIN FREQUENCY
f
CLKIN
(MHz)*
1
1
1
1
2.4576
2.4576
2.4576
2.4576
*
These values are given for CLKDIV = 0. External-clock frequency, fCLKIN, equals two times the values in this column if CLKDIV = 1.
**
The filter -3dB filter cutoff frequency = 0.262 x filter first notch frequency.
CLK
FS1
FS0
OUTPUT DATA RATE
(FIRST NOTCH) (Hz)
-3dB FILTER CUTOFF**
(Hz)
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
20
25
100
200
50
60
250
500
5.24
6.55
26.2
52.4
13.1
15.7
65.5
131
Table 12. Clock Register
(MSB)
(LSB)
FUNCTION
RESERVED
INTERNAL
CLOCK ENABLE
CLOCK
DISABLE
CLOCK
DIVIDER
CLOCK
SELECT
FILTER SELECT
Name
Defaults
MXID
1
ZERO
0
INTCLK
0
CLKDIS
0
CLKDIV
0
CLK
1
FS1
0
FS0
1
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX1415EPE | 功能描述:模數轉換器 - ADC RoHS:否 制造商:Texas Instruments 通道數量: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 |
| MAX1415EPE+ | 功能描述:模數轉換器 - ADC 16-Bit 2Ch .5ksps 1.75V Precision ADC RoHS:否 制造商:Texas Instruments 通道數量: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 |
| MAX1415EUE | 功能描述:模數轉換器 - ADC RoHS:否 制造商:Texas Instruments 通道數量: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 |
| MAX1415EUE+ | 功能描述:模數轉換器 - ADC 16-Bit 2Ch .5ksps 1.75V Precision ADC RoHS:否 制造商:Texas Instruments 通道數量: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 |
| MAX1415EUE+T | 功能描述:模數轉換器 - ADC 16-Bit 2Ch .5ksps 1.75V Precision ADC RoHS:否 制造商:Texas Instruments 通道數量: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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