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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： | 4/20页 |
| 文件大小： | 808K |
| 代理商： | MAX1270ACAI |
M
Multirange, +5V, 8-Channel,
Serial 12-Bit ADCs
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(V
DD
= +5.0V ±5%; unipolar/bipolar range; external reference mode, V
REF
= +4.096V; 4.7μF at REF; external clock; f
CLK
= 2.0MHz,
50% duty cycle (MAX127_B); f
CLK
= 1.8MHz, 50% duty cycle (MAX127_A); 18 clock/conversion cycle, T
A
= T
MIN
to T
MAX
, unless
otherwise noted. Typical values are T
A
= +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
INTERNAL REFERENCE
REF Output Voltage
V
REF
T
A
= +25°C
MAX1270_C/MAX1271_C
MAX1270_E/MAX1271_E
4.076
4.096
±
15
±
30
30
4.116
V
REF Output Tempco
TC V
REF
ppm/
°
C
Output Short-Circuit Current
Load Regulation
Capacitive Bypass at REF
Capacitive Bypass at REFADJ
REFADJ Output Voltage
REFADJ Adjustment Range
Buffer Voltage Gain
REFERENCE INPUT (Reference buffer disabled, reference input applied to REF)
Input Voltage Range
mA
mV
μF
μF
V
%
V/V
0 to 0.5mA output current (Note 5)
10
4.7
0.01
2.465
2.500
±1.5
1.638
2.535
Figure 1
2.40
4.18
400
1
V
Normal or STBYPD
FULLPD
Normal or STBYPD
FULLPD
Input Current
V
REF
= 4.18V
μA
10
4.18
k
M
Input Resistance
V
REF
= 4.18V
REFADJ Threshold for Buffer
Disable
V
DD
-
0.5
V
POWER REQUIREMENT
Supply Voltage
V
DD
4.75
5.25
18
10
850
220
±
0.5
V
Bipolar range
Unipolar range
Normal
6
mA
STBYPD power-down mode (Note 6)
FULLPD power-down mode
External reference = 4.096V
Internal reference
700
120
±
0.1
±
0.5
Supply Current
I
DD
μA
Power-Supply Rejection
Ratio (Note 7)
PSRR
LSB
TIMING
MAX127_A
MAX127_B
0.1
0.1
3.3
3.0
3
1.8
2.0
External Clock Frequency Range
f
SCLK
MHz
MAX127_A
MAX127_B
External clock mode
(Note 8)
Acquisition Phase
Internal clock mode, Figure 9
5
μs
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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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