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參數(shù)資料
| 型號： | MAX1273 |
| 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： | 帶故障保護的12位ADC，具有軟件可選的輸入范圍 |
| 文件頁數(shù)： | 4/20頁 |
| 文件大小： | 850K |
| 代理商： | MAX1273 |
M
Fault-Protected, 12-Bit ADCs
with Software-Selectable Input Range
4
_______________________________________________________________________________________
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
Converting
Standby power-down
mode
Full power-down mode
MIN
TYP
400
MAX
850
UNITS
5
10
Input Current
V
REF
= 4.096V
1
μA
POWER REQUIREMENTS
Supply Voltage
V
DD
4.75
5
5.25
4
3
700
V
Bipolar
Unipolar
2.4
2.2
400
1
1.5
1.2
200
1
Converting
mA
Standby power-down mode
Full power-down mode
Supply Current
(Internal Reference Mode)
I
DD
μA
Bipolar
Unipolar
2.5
2.0
450
Converting
mA
Standby power-down mode
Full power-down mode
External reference = 4.096V
Internal reference
Supply Current
(External Reference Mode)
I
DD
μA
±0.3
±
1.0
Power-Supply Rejection
Ratio (Note 3)
TIMING
Clock Frequency Range
T/H Acquisition Time
Conversion Time
Throughput Rate
Internal Reference Settling Time
Device Power-Up Time
DIGITAL INPUTS (DIN, SCLK, and
CS
)
Input High-Threshold Voltage
Input Low-Threshold Voltage
Input Hysteresis
Input Leakage Current
Input Capacitance
DIGITAL OUTPUT (DOUT)
PSRR
±
0.5
LSB
f
SCLK
t
ACQ
t
CONV
0.1
2.85
8.57
1.4
MHz
μs
μs
ksps
ms
μs
(Note 4)
(Note 4)
87.5
REF bypass capacitor initially discharged
External reference mode
2
10
V
IH
V
IL
V
HYS
I
IN
C
IN
2.4
V
V
V
μA
pF
0.8
0.2
V
IN
= 0 to V
DD
-10
+10
15
I
SINK
= 10mA
I
SINK
= 16mA
0.4
Output Voltage Low
V
OL
0.6
V
Output Voltage High
V
OH
I
SOURCE
= 0.5mA
V
DD
- 0.5
V
Three-State Leakage Current
Three-State Output Capacitance
I
L
CS
= V
DD
CS
= V
DD
-10
+10
μA
pF
C
OUT
15
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| MAX1273BCPA | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX1273CPA | 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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX1273CPA+ | 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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX1273CUA | 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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX1273CUA+ | 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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
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