參數(shù)資料
型號： MAX1237EUA
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： ADC
英文描述： 2.7V to 3.6V and 4.5V to 5.5V, Low-Power, 4-/12-Channel, 2-Wire Serial, 12-Bit ADCs
中文描述： 4-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8
封裝： MICRO MAX PACKAGE-8
文件頁數(shù)： 2/22頁
文件大小： 407K
代理商： MAX1237EUA
M
2.7V to 3.6V and 4.5V to 5.5V, Low-Power,
4-/12-Channel, 2-Wire Serial, 12-Bit ADCs
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
V
DD
to GND..............................................................-0.3V to +6V
AIN0
–
AIN11,
REF to GND............-0.3V to the lower of (V
DD
+ 0.3V) and 6V
SDA, SCL to GND.....................................................-0.3V to +6V
Maximum Current Into Any Pin.........................................±50mA
Continuous Power Dissipation (T
A
= +70
°
C)
8-Pin μMAX (derate 4.5mW/
°
C above +70
°
C).............362mW
16-Pin QSOP (derate 8.3mW/
°
C above +70
°
C)........666.7mW
ELECTRICAL CHARACTERISTICS
(V
DD
= 2.7V to 3.6V (MAX1237/MAX1239), V
DD
= 4.5V to 5.5V (MAX1236/MAX1238), V
REF
= 2.048V (MAX1237/MAX1239), V
REF
=
4.096V (MAX1236/MAX1238), C
REF
= 0.1μF, f
SCL
= 1.7MHz, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at
T
A
= +25
°
C, see Tables 1
–
5 for programming notation.)
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 Range ...........................-40
°
C to +85
°
C
Junction Temperature......................................................+150
°
C
Storage Temperature Range.............................-60
°
C to +150
°
C
Lead Temperature (soldering, 10s).................................+300
°
C
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
DC ACCURACY (Note 1)
Resolution
Relative Accuracy
Differential Nonlinearity
Offset Error
12
Bits
LSB
LSB
LSB
INL
DNL
(Note 2)
No missing codes over temperature
±1
±1
±4
Offset-Error Temperature
Coefficient
Relative to FSR
0.3
ppm/
°
C
Gain Error
Gain-Temperature Coefficient
(Note 3)
Relative to FSR
±4
LSB
ppm/
°
C
0.3
Channel-to-Channel Offset
Matching
±0.1
LSB
Channel-to-Channel Gain
Matching
DYNAMIC PERFORMANCE
(f
IN(SINE-WAVE)
= 10kHz, V
IN(P-P)
= V
REF
, f
SAMPLE
= 94.4ksps)
Signal-to-Noise Plus Distortion
SINAD
Total Harmonic Distortion
THD
Spurious-Free Dynamic Range
SFDR
Full-Power Bandwidth
Full-Linear Bandwidth
CONVERSION RATE
±0.1
LSB
70
-78
78
3
5
dB
dB
dB
MHz
MHz
Up to the 5th harmonic
SINAD > 68dB
-3dB point
Internal clock
External clock
7.5
Conversion Time (Note 4)
t
CONV
10.6
μs
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MAX1237EUA+T 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 4Ch 94.4ksps 3.6V 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
MAX1237EUA-T 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
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