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参数资料
| 型号： | MAX186ACAP |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | ADC |
| 英文描述： | Low-Power, 8-Channel, Serial 12-Bit ADCs |
| 中文描述： | 8-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20 |
| 封装： | SSOP-20 |
| 文件页数： | 11/24页 |
| 文件大小： | 245K |
| 代理商： | MAX186ACAP |
2) Use a general-purpose I/O line on the CPU to pull
CS
on the MAX186/MAX188 low.
3) Transmit TB1 and simultaneously receive a byte
and call it RB1. Ignore RB1.
4) Transmit a byte of all zeros ($00 HEX) and simulta-
neously receive byte RB2.
5) Transmit a byte of all zeros ($00 HEX) and simulta-
neously receive byte RB3.
6) Pull
CS
on the MAX186/MAX188 high.
Figure 6 shows the timing for this sequence. Bytes RB2
and RB3 will contain the result of the conversion
padded with one leading zero and three trailing zeros.
The total conversion time is a function of the serial
clock frequency and the amount of dead time between
8-bit transfers. Make sure that the total conversion time
does not exceed 120μs, to avoid excessive T/H droop.
Digital Output
In unipolar input mode, the output is straight binary
(see Figure 15). For bipolar inputs, the output is
twos-complement (see Figure 16). Data is clocked out
at the falling edge of SCLK in MSB-first format.
M
Low-Power, 8-Channel,
S erial 12-Bit ADCs
______________________________________________________________________________________
11
SEL2
SEL1
SEL0
CH0
CH1
CH2
CH3
CH4
CH5
CH6
CH7
AGND
0
0
0
+
–
1
0
0
+
–
0
0
1
+
–
1
0
1
+
–
0
1
0
+
–
1
1
0
+
–
0
1
1
+
–
1
1
1
+
–
Table 3. Channel Selection in Single-Ended Mode (SGL/
DIFF
= 1)
SEL2
SEL1
SEL0
CH0
CH1
CH2
CH3
CH4
CH5
CH6
CH7
0
0
0
+
–
0
0
1
+
–
0
1
0
+
–
0
1
1
+
–
1
0
0
–
+
1
0
1
–
+
1
1
0
–
+
1
1
1
–
+
Table 4. Channel Selection in Differential Mode (SGL/
DIFF
= 0)
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PDF描述 |
|---|---|
| MAX186ACPP | Low-Power, 8-Channel, Serial 12-Bit ADCs |
| MAX186ACWP | Low-Power, 8-Channel, Serial 12-Bit ADCs |
| MAX186CCAP | Low-Power, 8-Channel, Serial 12-Bit ADCs |
| MAX186BCPP | Low-Power, 8-Channel, Serial 12-Bit ADCs |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX186ACAP+ | 功能描述:模数转换器 - ADC 12-Bit 8Ch 133ksps 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 |
| MAX186ACAP+T | 功能描述:模数转换器 - ADC 12-Bit 8Ch 133ksps 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 |
| MAX186ACAP-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 |
| MAX186ACPP | 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 |
| MAX186ACPP+ | 功能描述:模数转换器 - ADC 12-Bit 8Ch 133ksps 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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