參數(shù)資料
型號： MAX1271BEAI
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 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
封裝： 5.3 MM, 0.65 MM PITCH, MO-150, SSOP-28
文件頁數(shù)： 4/20頁
文件大?。?/td> 808K
代理商： MAX1271BEAI
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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相關代理商/技術參數(shù)
參數(shù)描述
MAX1271BEAI+ 功能描述:模數(shù)轉換器 - ADC 12-Bit 8Ch 110ksps 4.18V Precision ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX1271BEAI+T 功能描述:模數(shù)轉換器 - ADC 12-Bit 8Ch 110ksps 4.18V Precision ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX1271BEAI-T 功能描述:模數(shù)轉換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX1271BENG 功能描述:模數(shù)轉換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX1271BENG+ 功能描述:模數(shù)轉換器 - ADC 12-Bit 8Ch 110ksps 4.18V Precision ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
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