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參數資料
| 型號： | MAX1270-MAX1271 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Multirange, +5V, 8-Channel, Serial 12-Bit ADCs |
| 中文描述： | 多量程，5V的，8通道，串行12位ADC |
| 文件頁數： | 3/20頁 |
| 文件大小： | 808K |
| 代理商： | MAX1270-MAX1271 |
M
Multirange, +5V, 8-Channel,
Serial 12-Bit ADCs
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(V
DD
= +5.0V ±5%; unipolar/bipolar range; external reference mode, V
REF
= +4.096V; 4.7μF at REF; external clock; f
CLK
= 2.0MHz,
50% duty cycle (MAX127_B); f
CLK
= 1.8MHz, 50% duty cycle (MAX127_A); 18 clock/conversion cycle, T
A
= T
MIN
to T
MAX
, unless
otherwise noted. Typical values are T
A
= +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
ANALOG INPUT
MAX127_A, f
CLK
= 1.8MHz
MAX127_B, f
CLK
= 2.0MHz
3.3
3.0
Track/Hold Acquisition Time
t
ACQ
μs
±
10V or
±
V
REF
range
5
±
5V or
±
V
REF
/2
range
2.5
0 to 10V or 0 to
V
REF
range
2.5
Small-Signal Bandwidth
-3dB rolloff
0 to 5V or 0 to
V
REF
/2 range
1.25
MHz
RNG = 1
RNG = 0
RNG = 1
RNG = 0
RNG = 1
RNG = 0
RNG = 1
0
0
0
0
10
5
V
REF
V
REF
/2
+10
+5
+V
REF
MAX1270
Unipolar (BIP =
0), Table 3
MAX1271
-10
-5
-V
REF
MAX1270
Input Voltage Range
(Table 3)
V
IN
Bipolar (BIP =
1), Table 3
MAX1271
RNG = 0
-V
REF
/2
+V
REF
/
2
V
0 to 10V
range
-10
+720
MAX1270
0 to 5V
range
-10
+360
Unipolar
MAX1271
-10
0.1
+10
±
10V
range
-1200
+720
MAX1270
±
5V range
-600
+360
±
V
REF
range
-1200
+10
Input Current
I
IN
Bipolar
MAX1271
±V
REF
/2
range
-600
+10
μA
Unipolar
Bipolar
(Note 4)
21
16
Dynamic Resistance
V
IN
/
I
IN
k
Input Capacitance
40
pF
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX1271ACAI | 功能描述:模數轉換器 - ADC RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率: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 |
| MAX1271ACAI+ | 功能描述:模數轉換器 - ADC 12-Bit 8Ch 110ksps 4.18V Precision ADC RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率: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 |
| MAX1271ACAI+T | 功能描述:模數轉換器 - ADC 12-Bit 8Ch 110ksps 4.18V Precision ADC RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率: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 |
| MAX1271ACAI-T | 功能描述:模數轉換器 - ADC RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率: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 |
| MAX1271ACNG | 功能描述:模數轉換器 - ADC RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率: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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