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参数资料
| 型号： | MAX110BEPE |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | ADC |
| 英文描述： | Low-Cost, 2-Channel, 【14-Bit Serial ADCs |
| 中文描述： | 2-CH 14-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDIP16 |
| 封装： | 0.300 INCH, PLASTIC, DIP-16 |
| 文件页数： | 13/24页 |
| 文件大小： | 411K |
| 代理商： | MAX110BEPE |
M
Low-Cost, 2-Channel, ±14-Bit S erial ADCs
______________________________________________________________________________________
13
CS
SCLK
t
CSH
t
CSS
t
CK
t
DH
MSB
LSB
t
DS
DIN
DOUT
BUSY
t
DH
t
CK
t
DO
t
DA
POL
OFL
MSB
DO
END OF
CONVERSION
START OF
CONVERSION
Figure 6. Detailed Serial-Interface Timing
The ADC serial interface operates with just SCLK, DIN,
and DOUT (allow sufficient time for the conversion to
complete between read/write operations). Achieve con-
tinuous operation by connecting
BUSY
to an uncommit-
ted μP I/O or interrupt, to signal the processor when the
conversion results are ready. Figures 8a and 8b show
the timing for SPI/MICROWIRE and QSPI operation.
The fully static 16-bit I/O register allows infinite time
between the two 8-bit read/write operations necessary
to obtain the full 16 bits of data with SPI and
MICROWIRE.
CS
must remain low during the entire
two-byte transfer (Figure 8a). QSPI allows a full 16-bit
data transfer (Figure 8b).
Interfacing to the 80C32 Microcontroller Family
Figure 7c shows the general 80C32 connection to the
MAX110/MAX111 using Port 1. For a more detailed dis-
cussion, see the MAX110 evaluation kit manual.
I/O S hift Register
Serial data transfer is accomplished with a 16-bit fully
static shift register. The 16-bit control word shifted into
this register during a data-transfer operation controls
the ADC’s various functions. The MSB (
NO-OP
)
enables/disables transfer of the control word within the
ADC. A logic 1 causes the remaining 15 bits in the con-
trol word to be transferred from the I/O register into the
control register when
CS
goes high, updating the
ADC’s configuration and starting a new conversion. If
I/O
SCK
MISO
MOSI
MASKABLE
INTERRUPT
SS
a. SPI/QSPI
+5V
μP
CS
SCLK
DOUT
DIN
BUSY
MAX110
MAX111
I/O
SK
SI
SO
MASKABLE
INTERRUPT or I/O
b. MICROWIRE
μP
CS
SCLK
DOUT
DIN
BUSY
P1.0
P1.1
P1.2
P1.3
P1.4
c. 80C51/80C32
μP
CS
SCLK
DIN
DOUT
BUSY
MAX110
MAX111
MAX110
MAX111
Figure 7. Common Serial-Interface Connections
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX110BEPE+ | 功能描述:模数转换器 - ADC 2Ch +/-14Bit Serial 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 |
| MAX110BEWE | 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 |
| MAX110BEWE+ | 功能描述:模数转换器 - ADC 2Ch +/-14Bit Serial 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 |
| MAX110BEWE+T | 功能描述:模数转换器 - ADC 2Ch +/-14Bit Serial 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 |
| MAX110BEWE-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 |
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