参数资料
型号: MAX186DCPP+
厂商: Maxim Integrated Products
文件页数: 3/25页
文件大小: 0K
描述: IC DAS 8CH 12BIT T/H LP 20-DIP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 18
类型: 数据采集系统(DAS),ADC
分辨率(位): 12 b
采样率(每秒): 133k
数据接口: MICROWIRE?,QSPI?,串行,SPI?
电压电源: 双 ±
电源电压: ±5V
工作温度: 0°C ~ 70°C
安装类型: 通孔
封装/外壳: 20-DIP(0.300",7.62mm)
供应商设备封装: 20-PDIP
包装: 管件
产品目录页面: 1393 (CN2011-ZH PDF)
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 120s, 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.
Low-Power, 8-Channel,
Serial 12-Bit ADCs
Maxim Integrated
11
MAX186/MAX188
SEL2
SEL1
SEL0
CH0
CH1
CH2
CH3
CH4
CH5
CH6
CH7
AGND
00
0
+
10
0
+
00
1
+
10
1
+
01
0
+
11
0
+
01
1
+
11
1
+
Table 3. Channel Selection in Single-Ended Mode (SGL/D
DIIF
FF
F = 1)
SEL2
SEL1
SEL0
CH0
CH1
CH2
CH3
CH4
CH5
CH6
CH7
00
0
+
00
1
+
01
0
+
01
1
+–
10
0
+
10
1
+
11
0
+
11
1
–+
Table 4. Channel Selection in Differential Mode (SGL/D
DIIF
FF
F = 0)
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MAX186DCWP 功能描述:模数转换器 - ADC Integrated Circuits (ICs) 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
MAX186DCWP+ 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
MAX186DCWP+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
MAX186DCWP-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