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参数资料
| 型号： | MAX1270ACAI |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | ADC |
| 英文描述： | Multirange, +5V, 8-Channel, Serial 12-Bit ADCs |
| 中文描述： | 8-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO28 |
| 封装： | 5.3 MM, 0.65 MM PITCH, MO-150, SSOP-28 |
| 文件页数： | 11/20页 |
| 文件大小： | 808K |
| 代理商： | MAX1270ACAI |
M
Multirange, +5V, 8-Channel,
Serial 12-Bit ADCs
______________________________________________________________________________________
11
Table 1. Control-Byte Format
BIT 7
(MSB)
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
(LSB)
START
SEL2
SEL1
SEL0
RNG
BIP
PD1
PD0
BIT
NAME
START
DESCRIPTION
7 (MSB)
First logic 1 after
CS
goes low defines the beginning of the control byte.
6, 5, 4
SEL2, SEL1,
SEL0
These 3 bits select the desired “on” channel (Table 2).
3
2
RNG
BIP
Selects the full-scale input voltage range (Table 3).
Selects the unipolar or bipolar conversion mode (Table 3).
Select clock and power-down modes (Table 4).
1, 0 (LSB)
PD1, PD0
Table 2. Channel Selection
SEL2
0
0
0
0
1
1
1
1
SEL1
0
0
1
1
0
0
1
1
SEL0
0
1
0
1
0
1
0
1
CHANNEL
CH0
CH1
CH2
CH3
CH4
CH5
CH6
CH7
Table 4. Power-Down and Clock Selection
PD1
PD0
MODE
0
0
Normal operation (always on), internal clock
mode.
0
1
Normal operation (always on), external clock
mode.
1
0
Standby power-down mode (STBYPD), clock
mode unaffected.
1
1
Full power-down mode (FULLPD), clock mode
unaffected.
Table 3. Range and Polarity Selection for MAX1270/MAX1271
RANGE AND POLARITY SELECTION FOR THE MAX1270
INPUT RANGE
RNG
BIP
Negative
FULL SCALE
ZERO
SCALE (V)
FULL SCALE
0 to +5V
0 to +10V
±
5V
±
10V
0
1
0
1
0
0
1
1
—
—
0
0
0
0
V
REF
x 1.2207
V
REF
x 2.4414
V
REF
x 1.2207
V
REF
x 2.4414
-V
REF
x 1.2207
-V
REF
x 2.4414
RANGE AND POLARITY SELECTION FOR THE MAX1271
INPUT RANGE
RNG
BIP
Negative
FULL SCALE
ZERO
SCALE (V)
FULL SCALE
0 to V
REF
/2
0 to V
REF
±
V
REF
/2
±
V
REF
0
1
0
1
0
0
1
1
—
—
0
0
0
0
V
REF
/2
V
REF
V
REF
/2
V
REF
-V
REF
/2
-V
REF
相关PDF资料 |
PDF描述 |
|---|---|
| MAX1270ACNG | Multirange, +5V, 8-Channel, Serial 12-Bit ADCs |
| MAX1270BCAI | Multirange, +5V, 8-Channel, Serial 12-Bit ADCs |
| MAX1271ACAI | Multirange, +5V, 8-Channel, Serial 12-Bit ADCs |
| MAX1271ACNG | Multirange, +5V, 8-Channel, Serial 12-Bit ADCs |
| MAX1271BCAI | Multirange, +5V, 8-Channel, Serial 12-Bit ADCs |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1270ACAI+ | 功能描述:模数转换器 - ADC 12-Bit 8Ch 110ksps 4.18V 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 |
| MAX1270ACAI+T | 功能描述:模数转换器 - ADC 12-Bit 8Ch 110ksps 4.18V 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 |
| MAX1270ACAI-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 |
| MAX1270ACNG | 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 |
| MAX1270ACNG+ | 功能描述:模数转换器 - ADC 12-Bit 8Ch 110ksps 4.18V 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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