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)： 2/20頁(yè)
文件大?。?/td> 850K
代理商： MAX1272
M
Fault-Protected, 12-Bit ADCs
with Software-Selectable Input Range
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
V
DD
to GND..............................................................-0.3V to +6V
AIN to GND (MAX1272)...................................................... ±12V
AIN to GND (MAX1273)........................................................ ±6V
DOUT,
CS
, DIN, SCLK, REF to GND..........-0.3V to (V
DD
+ 0.3V)
Maximum Current into Any Pin............................................50mA
Continuous Power Dissipation (T
A
= +70
°
C)
8-Pin Plastic DIP (derate 9.1mW/
°
C above +70
°
C) ......727mW
8-Pin μMAX (derate 4.5mW/
°
C above +70
°
C)..............362mW
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
Operating Temperature Ranges
MAX127_ C_ _ .....................................................0
°
C to +70
°
C
MAX127_ E_ _...................................................-40
°
C to +85
°
C
Storage Temperature Range.............................-65
°
C to +150
°
C
Lead Temperature (soldering, 10s) ................................+300
°
C
Junction Temperature .....................................................+150
°
C
ELECTRICAL CHARACTERISTICS
(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
ACCURACY (Note 1)
Resolution
Integral Nonlinearity
Differential Nonlinearity
12
Bits
LSB
LSB
INL
DNL
±0.3
±0.35
±
1.0
±
1.00
±
5
±
10
±
10
±
10
No missing codes over temperature
Unipolar
Bipolar
Unipolar
Bipolar
Unipolar
Bipolar
Offset Error
LSB
Gain Error (Note 2)
LSB
±
3
±
5
Gain Error Temperature
Coefficient (Note 2)
ppm/
°
C
DYNAMIC SPECIFICATIONS (10kHz sine-wave input,
±
10V
P-P
(MAX1272), or
±
4.096V
P-P
(MAX1273), f
SAMPLE
= 87ksps)
Signal-to-Noise + Distortion Ratio
SINAD
Total Harmonic Distortion
THD
Up to the 5th harmonic
Spurious-Free Dynamic Range
SFDR
Aperture Delay
t
AD
Aperture Jitter
t
AJ
ANALOG INPUT
T/H Acquisition Time
t
ACQ
69
72
-87
88
15
<50
dB
dB
dB
ns
ps
-78
80
2.85
μs
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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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