參數(shù)資料
型號(hào)： MAX1272
廠商： Maxim Integrated Products, Inc.
元件分類： ADC
英文描述： Fault-Protected. 12-Bit ADCs with Software-Selectable Input Range
中文描述： 帶故障保護(hù)的12位ADC，具有軟件可選的輸入范圍
文件頁(yè)數(shù)： 3/20頁(yè)
文件大小： 850K
代理商： MAX1272
M
Fault-Protected, 12-Bit ADCs
with Software-Selectable Input Range
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(V
DD
= 4.75V to 5.25V, unipolar/bipolar input range, external reference mode, V
REF
= 4.096V, C
REF
= 1.0μF, f
SCLK
= 1.4MHz,
50% duty cycle, C
LOAD
= 50pF, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25
°
C.)
PARAMETERS
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
±10V (MAX1272) or ±V
REF
(MAX1273)
range
5
±5V (MAX1272) or ±V
REF
/ 2 (MAX1273)
range
2.5
0 to 10V (MAX1272) or 0 to V
REF
(MAX1273)
range
2.5
Small-Signal Bandwidth
BW
-3dB
0 to 5V (MAX1272) or 0 to V
REF
/ 2
(MAX1273) range
1.25
MHz
RNG = 1
RNG = 0
RNG = 1
RNG = 0
RNG = 1
RNG = 0
RNG = 1
RNG = 0
0 to 10V range
0 to 5V range
0 to V
REF
range
0 to V
REF
/ 2 range
±10V range
±5V range
±V
REF
range
±V
REF
/ 2 range
0
0
0
0
10
5
V
REF
V
REF
/ 2
+10
+5
+V
REF
+V
REF
/ 2
+860
+430
+10
+10
+860
+430
+10
+10
MAX1272
Unipolar
MAX1273
-10
-5
-V
REF
-V
REF
/ 2
-10
-10
-10
-10
-1400
-720
-1400
-720
MAX1272
Input Voltage Range
(Tables 2, 3)
V
IN
Bipolar
MAX1273
V
MAX1272
Unipolar
MAX1273
MAX1272
Input Current
I
IN
Bipolar
MAX1273
μA
Input Capacitance
INTERNAL REFERENCE
REF Output Voltage
40
pF
V
REF
4.036
4.096
±15
±30
40
0.7
4.156
V
MAX127_ C
MAX127_ E
REF shorted to GND
0 to 0.5mA output current
REF Output Tempco
TC V
REF
ppm/
°
C
Output Short-Circuit Current
Load Regulation
Capacitive Bypass at REF
REFERENCE INPUT (Reference buffer disabled, reference input applied to REF)
Input Voltage Range
mA
mV
μF
10
1
2.40
4.18
V
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1272BCPA 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:
MAX1272CPA 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX1272CPA+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 487ksps 4.18V Precision ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX1272CUA 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX1272CUA+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC FAULT-PROTECTED 12-BIT ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
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