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参数资料
| 型号： | MAX1392ETB+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 3/18页 |
| 文件大小： | 0K |
| 描述： | IC ADC 10BIT SAR 10-TDFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 位数： | 10 |
| 采样率（每秒）： | 357k |
| 数据接口： | DSP，MICROWIRE?，QSPI?，串行，SPI? |
| 转换器数目： | 1 |
| 功率耗散（最大）： | 1.48W |
| 电压电源： | 单电源 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-WFDFN 裸露焊盘 |
| 供应商设备封装： | 10-TDFN-EP（3x3） |
| 包装： | 标准包装 |
| 输入数目和类型： | * |
| 其它名称： | MAX1392ETB+TDKR |
AutoShutdown Mode
The ADC automatically powers down on the SCLK
falling edge that clocks out the LSB. This is the falling
edge after the 13th SCLK. DOUT goes low when the
LSB has been clocked into the master (C) on the 16th
rising SCLK edge.
Alternatively, drive OE high to force the MAX1392/
MAX1395 into power-down. Whenever OE goes high,
the ADC powers down and disables DOUT regardless
of CS, SCLK, or the state of the ADC. DOUT enters a
high-impedance state after tDOD.
External Reference
The MAX1392/MAX1395 use an external reference
between 0.6V and (VDD + 50mV). Bypass REF with a
0.1F capacitor to GND for best performance (see the
Typical Operating Circuit).
Serial Interface
The MAX1392/MAX1395 serial interface is fully compati-
ble with SPI, QSPI, and MICROWIRE (see Figure 7). If a
serial interface is available, set the C’s serial interface
in master mode so the C generates the serial clock.
Choose a clock frequency between 100kHz and 5MHz.
CS and OE can be connected together and driven
simultaneously. OE can also be connected to GND if the
DOUT bus is not shared and driven independently.
SPI and MICROWIRE
When using SPI or MICROWIRE, make the C the bus
master and set CPOL = 0 and CPHA = 0 or CPOL = 1
and CPHA = 1. (These are the bits in the SPI or
MICROWIRE control register.) Two consecutive 1-byte
reads are required to get the entire 10-bit result from
the ADC. The MAX1392/MAX1395 shut down after
clocking the LSB and DOUT becomes high impedance.
DOUT transitions on SCLK’s falling edge and is
clocked into the C on the SCLK’s rising edge. See
Figure 7 for connections and Figures 8 and 9 for timing
diagrams. The conversion result contains 4 zeros, fol-
lowed by the 10 data bits with the data in MSB-first for-
mat. When using CPOL = 0 and CPHA = 0 or CPOL = 1
and CPHA = 1, the MSB of the data is clocked into the
C on the SCLK’s fifth rising edge. To be compatible
with SPI and MICROWIRE, connect CS and OE togeth-
er and drive simultaneously.
QSPI
Unlike SPI, which requires two 1-byte reads to acquire
the 10 bits of data from the ADC, QSPI allows the mini-
mum number of clock cycles necessary to clock in the
data. The MAX1392/MAX1395 require a minimum of 14
clock cycles from the C to clock out the 10 bits of
data. See Figure 7 for connections and Figures 8 and 9
for timing diagrams. The conversion result contains 4
zeros, followed by the 10 data bits with the data in
MSB-first format. The MAX1392/MAX1395 shut down
after clocking out the LSB. DOUT then becomes high
impedance. When using CPOL = 0 and CPHA = 0 or
CPOL = 1 and CPHA = 1, the MSB of the data is
clocked into the C on the SCLK’s fifth rising edge. To
be compatible with QSPI, connect CS and OE together
and drive simultaneously.
DSP Interface
Figure 10 shows the timing for DSP operation. Figure 11
shows the connections between the MAX1392/
MAX1395 and several common DSPs.
MAX1392/MAX1395
______________________________________________________________________________________
11
1.5V to 3.6V, 357ksps, 1-Channel True-Differential/
2-Channel Single-Ended, 10-Bit, SAR ADCs
MAX1392
MAX1395
OE
a) SPI
I/O
SCK
CS
DOUT
MISO
I/O
UNI/BIP
(CH1/CH2)*
SCLK
MAX1392
MAX1395
OE
CS
SCK
CS
DOUT
MISO
I/O
UNI/BIP
(CH1/CH2)*
SCLK
MAX1392
MAX1395
OE
I/O
SK
CS
DOUT
SI
I/O
UNI/BIP
(CH1/CH2)*
SCLK
b) QSPI
c) MICROWIRE
*INDICATES THE MAX1395
Figure 7. Common Serial-Interface Connections to the
MAX1392/MAX1395
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相关代理商/技术参数 |
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| MAX1392MTB-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 |
| MAX1393ETB | 制造商:Maxim Integrated Products 功能描述:1.5V-3.6V312.5KSPS1-CHANNEL TRUE- - Rail/Tube |
| MAX1393ETB+ | 制造商:Maxim Integrated Products 功能描述:ADC SGL SAR 312.5KSPS 12-BIT SERL 10TDFN EP - Rail/Tube |
| MAX1393ETB+T | 功能描述:模数转换器 - ADC 12-Bit 312ksps 3.6V 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 |
| MAX1393ETB-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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