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参数资料
| 型号： | MAX1167BCEE |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | ADC |
| 英文描述： | TRANS NPN 20VCEO 1A TO-92L |
| 中文描述： | 4-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO16 |
| 封装： | QSOP-16 |
| 文件页数： | 23/30页 |
| 文件大小： | 462K |
| 代理商： | MAX1167BCEE |
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M
Multichannel, 16-Bit, 200ksps Analog-to-Digital
Converters
______________________________________________________________________________________
23
The input data latches on the falling edge of SCLK. The
command/configuration/control register starts reading
data in on the falling edge of the first SCLK cycle immedi-
ately following the falling edge of the frame sync pulse
and ends on the falling edge of the 16th SCLK cycle. The
MAX1168 selects the proper channel for conversion on
the falling edge of the 3rd clock cycle and begins acqui-
sition. Acquisition continues until the rising edge of the
15th clock cycle. The MAX1168 samples the input on the
rising edge of the 15th clock cycle. On the rising edge of
the 16th clock cycle, the MAX1168 outputs a frame sync
pulse at DSPX. The frame sync pulse alerts the DSP that
the conversion results are about to be output at DOUT
(MSB first) starting on the rising edge of the 17th clock
pulse. To read the entire conversion result, 16 SCLK
cycles are needed. Extra clock pulses, occurring after the
conversion result has been clocked out and prior to the
next rising edge of DSPR, cause zeros to be clocked out
of DOUT. The MAX1168 external clock, DSP 16-bit-wide
data-transfer mode requires 32 clock cycles to complete.
Begin a new conversion by sending a new frame sync
pulse to DSPR followed by new configuration data.
Send the new DSPR pulse immediately after reading
the conversion result to realize maximum throughput.
Sending a new frame sync pulse in the middle of a con-
version immediately aborts the current conversion and
begins a new one. A rising edge on
CS
in the middle of
a conversion aborts the current conversion and places
the MAX1168 in shutdown.
Output Coding and Transfer Function
The data output from the MAX1167/MAX1168 is straight
binary. Figure 19 shows the nominal transfer function.
Code transitions occur halfway between successive
integer LSB values (V
REF
= +4.096V, and 1 LSB =
+62.5μV or 4.096V / 65,536V).
CS
SCLK
DOUT
I/O
SCK
MISO
SPI
V
DD
SS
MAX1167
MAX1168
Figure 20a. SPI Connections
MAX1167
MAX1168
CS
SCLK
DOUT
MICROWIRE
I/O
SK
SI
Figure 20b. MICROWIRE Connections
DOUT*
CS
SCLK
1ST BYTE READ
2ND BYTE READ
*WHEN CS IS HIGH, DOUT = HIGH-Z
MSB
HIGH-Z
3RD BYTE READ
LSB
D1
D0
D7
D6
D5
D4
D3
D2
24
20
16
12
8
6
4
1
D15
D14
D13
D12
D11
D10
D9
D8
D7
0
0
0
0
0
0
0
0
Figure 20c. SPI/MICROWIRE Interface Timing Sequence (CPOL = CPHA = 0)
相关PDF资料 |
PDF描述 |
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| MAX1168ACEG | Multichannel, 16-Bit, 200ksps Analog-to-Digital Converters |
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| MAX1167BEEE | Multichannel, 16-Bit, 200ksps Analog-to-Digital Converters |
| MAX1167CCEE | Multichannel, 16-Bit, 200ksps Analog-to-Digital Converters |
| MAX1167CEEE | Multichannel, 16-Bit, 200ksps Analog-to-Digital Converters |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1167BCEE+ | 功能描述:模数转换器 - ADC 16-Bit 4Ch 200ksps 5.25V Precision ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| MAX1167BCEE+T | 功能描述:模数转换器 - ADC 16-Bit 4Ch 200ksps 5.25V Precision ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| MAX1167BCEE-T | 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| MAX1167BEEE | 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| MAX1167BEEE+ | 功能描述:模数转换器 - ADC 16-Bit 4Ch 200ksps 5.25V Precision ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
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