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参数资料
| 型号： | MAX1246BCPE |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | ADC |
| 英文描述： | +2.7V, Low-Power, 4-Channel, Serial 12-Bit ADCs in QSOP-16 |
| 中文描述： | 4-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDIP16 |
| 封装： | 0.300 INCH, PLASTIC, DIP-16 |
| 文件页数： | 14/24页 |
| 文件大小： | 223K |
| 代理商： | MAX1246BCPE |
M
+2.7V, Low-Power, 4-Channel,
S erial 12-Bit ADCs in QS OP-16
14
______________________________________________________________________________________
SCLK
DIN
DOUT
CS
S
CONTROL BYTE 0
CONTROL BYTE 1
S
CONVERSION RESULT 0
B11 B10 B9 B8 B7 B6 B5 B4 B3 B2 B1 B0
CONVERSION RESULT 1
SSTRB
B11 B10 B9 B8 B7 B6 B5 B4 B3 B2 B1 B0
CONTROL BYTE 2
S
1
8
1
15
15
8
1
CS
SCLK
DIN
DOUT
S
1
8
16
1
8
16
CONTROL BYTE 0
CONTROL BYTE 1
S
CONVERSION RESULT 0
B11 B10 B9 B8 B7 B6 B5 B4 B3 B2 B1 B0
B11 B10 B9 B8
CONVERSION RESULT 1
Figure 10a. External Clock Mode, 15 Clocks/Conversion Timing
Figure 10b. External Clock Mode, 16 Clocks/Conversion Timing
The fastest the MAX1246/MAX1247 can run with
CS
held
low between conversions is 15 clocks per conversion.
Figure 10a shows the serial-interface timing necessary to
perform a conversion every 15 SCLK cycles in external
clock mode. If
CS
is tied low and SCLK is continuous,
guarantee a start bit by first clocking in 16 zeros.
Most microcontrollers (μCs) require that conversions
occur in multiples of 8 SCLK clocks; 16 clocks per con-
version is typically the fastest that a μC can drive the
MAX1246/MAX1247. Figure 10b shows the serial-
interface timing necessary to perform a conversion every
16 SCLK cycles in external clock mode.
PD0 CLOCK IN
t
SSTRB
t
CSH
t
CONV
t
SCK
SSTRB
SCLK
DOUT
t
CSS
t
DO
NOTE: FOR BEST NOISE PERFORMANCE, KEEP SCLK LOW DURING CONVERSION.
CS
Figure 9. Internal Clock Mode SSTRB Detailed Timing
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1246BCPE+ | 功能描述:模数转换器 - ADC 12-Bit 4Ch 133ksps 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 |
| MAX1246BEEE | 功能描述:模数转换器 - ADC 12-Bit 4Ch 133ksps 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 |
| MAX1246BEEE+ | 功能描述:模数转换器 - ADC 12-Bit 4Ch 133ksps 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 |
| MAX1246BEEE+T | 功能描述:模数转换器 - ADC 12-Bit 4Ch 133ksps 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 |
| MAX1246BEEE-T | 功能描述:模数转换器 - ADC 12-Bit 4Ch 133ksps 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 |
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