參數(shù)資料
型號: MAX148ACAP
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: ADC
英文描述: +2.7V to +5.25V, Low-Power, 8-Channel, Serial 10-Bit ADCs
中文描述: 8-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20
封裝: SSOP-20
文件頁數(shù): 3/24頁
文件大小: 221K
代理商: MAX148ACAP
M
+2.7V to +5.25V, Low-Power, 8-Channel,
S erial 10-Bit ADCs
_______________________________________________________________________________________
3
Multiplexer Leakage Current
Input Capacitance
INTERNAL REFERENCE
(MAX149 only, reference buffer enabled)
μA
0.01
10
Shutdown VREF Input Current
k
18
25
VREF Input Resistance
μA
100
150
VREF Input Current
V
1.0
V
DD
+
50mV
VREF Input Voltage Range
(Note 9)
pF
16
1.8
0.225
MHz
Internal Clock Frequency
μA
±0.01
±1
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
SHDN
= FLOAT
SHDN
= V
DD
VREF = 2.500V
On/off leakage current, V
CH_
= 0V or V
DD
CONDITIONS
ELECTRICAL CHARACTERISTICS (continued)
V
= +2.7V to +5.25V; COM = 0V; f
= 2.0MHz; external clock (50% duty cycle); 15 clocks/conversion cycle (133ksps);
MAX149—4.7μF capacitor at VREF pin; MAX148—external reference, VREF = 2.500V applied to VREF pin; T
A
= T
MIN
to T
MAX
; unless
otherwise noted.)
V
2.470
2.500
2.530
30
VREF Output Voltage
VREF Short-Circuit Current
VREF Temperature Coefficient
T
A
= +25°C (Note 7)
mA
±30
0.35
MAX149
0mA to 0.2mA output load
Internal compensation mode
External compensation mode
mV
Load Regulation (Note 8)
0
μF
4.7
0.01
Capacitive Bypass at VREF
μF
%
Capacitive Bypass at REFADJ
REFADJ Adjustment Range
EXTERNAL REFERENCE AT VREF
(Buffer disabled)
±1.5
V
V
DD
-
0.5
REFADJ Buffer-Disable Threshold
μF
0
Capacitive Bypass at VREF
Internal compensation mode
External compensation mode
2.00
V/V
2.06
Reference Buffer Gain
4.7
MAX148
MAX149
MAX149
±10
μA
±50
REFADJ Input Current
MAX148
ppm/°C
0 to VREF
±VREF / 2
V
Input Voltage Range, Single-
Ended and Differential (Note 6)
Unipolar, COM = 0V
Bipolar, COM = VREF / 2
0.1
0
2.0
2.0
MHz
External Clock Frequency
Data transfer only
CONVERSION RATE (continued)
ANALOG/COM INPUTS
EXTERNAL REFERENCE AT REFADJ
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相關代理商/技術參數(shù)
參數(shù)描述
MAX148ACAP+ 功能描述:模數(shù)轉換器 - ADC 10-Bit 8Ch 133ksps 5.25V Precision ADC RoHS:否 制造商:Texas Instruments 通道數(shù)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
MAX148ACAP+T 功能描述:模數(shù)轉換器 - ADC 10-Bit 8Ch 133ksps 5.25V Precision ADC RoHS:否 制造商:Texas Instruments 通道數(shù)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
MAX148ACAP-T 功能描述:模數(shù)轉換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)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
MAX148ACPP 功能描述:模數(shù)轉換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)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
MAX148ACPP+ 功能描述:模數(shù)轉換器 - ADC 10-Bit 8Ch 133ksps 5.25V Precision ADC RoHS:否 制造商:Texas Instruments 通道數(shù)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