参数资料
型号: MAX147AEAP+
厂商: MAXIM INTEGRATED PRODUCTS INC
元件分类: ADC
英文描述: +2.7V, Low-Power, 8-Channel, Serial 12-Bit ADCs
中文描述: 8-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20
封装: SSOP-20
文件页数: 22/28页
文件大小: 746K
代理商: MAX147AEAP+
MAX146/MAX147
+2.7V, Low-Power, 8-Channel,
Serial 12-Bit ADCs
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(VDD = +2.7V to +3.6V (MAX146); VDD = +2.7V to +5.25V (MAX147); COM = 0; fSCLK = 2.0MHz; external clock (50% duty cycle); 15
clocks/conversion cycle (133ksps); MAX146—4.7F capacitor at VREF pin; MAX147—external reference, VREF = 2.500 V applied to
VREF pin; TA = TMIN to TMAX; unless otherwise noted.)
CONDITIONS
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
s
1.5
tACQ
Track/Hold Acquisition Time
0.1
2.0
1.8
ns
MHz
SHDN = FLOAT
MHz
30
0.225
Aperture Delay
Internal Clock Frequency
SHDN = VDD
0
2.0
External Clock Frequency
Data transfer only
ps
<50
Aperture Jitter
On/off leakage current, VCH_ = 0V or VDD
Bipolar, COM = VREF / 2
Unipolar, COM = 0V
±0.01
±1
A
Input Voltage Range, Single-
Ended and Differential (Note 6)
±VREF / 2
V
0 to VREF
Multiplexer Leakage Current
REFADJ Adjustment Range
±1.5
%
Capacitive Bypass at REFADJ
0.047
F
External compensation mode
Capacitive Bypass at VREF
4.7
F
Internal compensation mode
0
0 to 0.2mA output load
Load Regulation (Note 7)
0.35
mV
MAX146_M
VREF Temperature Coefficient
±30
±80
ppm/°C
MAX146_E
±30
±60
MAX146_C
±30
±50
VREF Short-Circuit Current
30
mA
TA = +25°C
VREF Output Voltage
2.480
2.500
2.520
V
Input Capacitance
16
pF
VREF Input Voltage Range
(Note 8)
1.0
VDD +
50mV
V
External compensation mode
MAX146
4.7
Reference Buffer Gain
2.06
V/V
Internal compensation mode
Capacitive Bypass at VREF
0
F
REFADJ Buffer Disable Threshold
VDD -
0.5
V
VREF = 2.5V
VREF Input Current
100
150
A
VREF Input Resistance
18
25
k
Shutdown VREF Input Current
0.01
10
A
MAX147
MAX146
MAX147
REFADJ Input Current
2.00
±50
±10
A
ANALOG/COM INPUTS
INTERNAL REFERENCE (MAX146 only, reference buffer enabled)
EXTERNAL REFERENCE AT VREF (Buffer disabled)
EXTERNAL REFERENCE AT REFADJ
相关PDF资料
PDF描述
MAX147ACAP+T +2.7V, Low-Power, 8-Channel, Serial 12-Bit ADCs
MAX147ACAP+ +2.7V, Low-Power, 8-Channel, Serial 12-Bit ADCs
MAX146BEPP+ +2.7V, Low-Power, 8-Channel, Serial 12-Bit ADCs
MAX146BEAP+ +2.7V, Low-Power, 8-Channel, Serial 12-Bit ADCs
MAX146BEAP+T +2.7V, Low-Power, 8-Channel, Serial 12-Bit ADCs
相关代理商/技术参数
参数描述
MAX147AEAP+ 功能描述:模数转换器 - ADC 12-Bit 8Ch 133ksps 5.25V Precision ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32
MAX147AEAP+T 功能描述:模数转换器 - ADC 12-Bit 8Ch 133ksps 5.25V Precision ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32
MAX147AEAP-T 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32
MAX147AEPP 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32
MAX147AEPP+ 功能描述:模数转换器 - ADC 12-Bit 8Ch 133ksps 5.25V Precision ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32