參數(shù)資料
型號(hào)： MAX1272EPA
廠(chǎng)商： MAXIM INTEGRATED PRODUCTS INC
元件分類(lèi)： ADC
英文描述： Fault-Protected, 12-Bit ADCs with Software-Selectable Input Range
中文描述： 1-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDIP8
封裝： 0.300 INCH, PLASTIC, MO-058, DIP-8
文件頁(yè)數(shù)： 5/20頁(yè)
文件大小： 850K
代理商： MAX1272EPA
M
Fault-Protected, 12-Bit ADCs
with Software-Selectable Input Range
_______________________________________________________________________________________
5
TIMING 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.) (Figures 1 and 4)
PARAMETERS
SYMBOL
t
DS
t
DH
t
DO
t
DV
t
TR
t
CSS
t
CSH
t
CH
t
CL
CONDITIONS
MIN
100
TYP
MAX
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
DIN to SCLK Setup
DIN to SCLK Hold
SCLK Fall to Output Data Valid
CS
Fall to Output Enable
CS
Rise to Output Disable
CS
to SCLK Rise Setup
CS
to SCLK Rise Hold
SCLK Pulse Width High
SCLK Pulse Width Low
0
20
250
100
100
100
0
200
200
Note 1:
Accuracy specifications tested at V
DD
= 5V. Performance at power-supply tolerance limit is guaranteed by power-supply
rejection test.
Note 2:
Offset error nulled. The ideal last-code transition is (FS - 1.5 LSB).
Note 3:
PSRR measured at full scale. Tested at ±10V (MAX1272) and ±4.096V (MAX1273) input ranges.
Note 4:
Acquisition and conversion times are dependent on the clock speed.
Typical Operating Characteristics
(Typical operating circuit, BIP = RNG = 1, V
DD
= 5V, external reference mode, V
REF
= 4.096V, C
REF
= 1.0μF, f
SCLK
= 1.4MHz,
50% duty cycle, 87ksps, T
A
= +25
°
C, unless otherwise noted.)
CONVERTING SUPPLY CURRENT
vs. SUPPLY VOLTAGE
M
SUPPLY VOLTAGE (V)
S
5.20
5.15
5.05 5.10
4.85 4.90 4.95 5.00
4.80
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
0
4.75
5.25
INTERNAL
REFERENCE
EXTERNAL
REFERENCE
V
AIN
= 0
CONVERTING SUPPLY CURRENT
vs. TEMPERATURE
M
TEMPERATURE (
°
C)
S
60
35
-15
10
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
0
-40
85
V
AIN
= 0
INTERNAL
REFERENCE
EXTERNAL
REFERENCE
STANDBY SUPPLY CURRENT
vs. TEMPERATURE
M
TEMPERATURE (
°
C)
S
60
35
10
-15
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
0
-40
85
V
AIN
= 0
INTERNAL
REFERENCE
EXTERNAL
REFERENCE
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MAX1272EPA+ 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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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
MAX1272EUA 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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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
MAX1272EUA+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC MAX1272EUA+ 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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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
MAX1272EUA+T 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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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
MAX1272EUA-T 制造商:Maxim Integrated Products 功能描述:- Tape and Reel
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