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参数资料
型号： MAX1246BEEE
厂商： MAXIM INTEGRATED PRODUCTS INC
元件分类： ADC
英文描述： +2.7V, Low-Power, 4-Channel, Serial 12-Bit ADCs in QSOP-16
中文描述： 4-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO16
封装： 0.150 INCH, 0.025 INCH PITCH, QSOP-16
文件页数： 3/24页
文件大小： 223K
代理商： MAX1246BEEE
M
+2.7V, Low-Power, 4-Channel,
S erial 12-Bit ADCs in QS OP-16
_______________________________________________________________________________________
3
Multiplexer Leakage Current
Input Capacitance
INTERNAL REFERENCE
(MAX1246 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
0 to VREF
V
±VREF / 2
Input Voltage Range, Single-
Ended and Differential (Note 6)
μA
±0.01
±1
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
Unipolar, COM = 0V
VREF = 2.500V
Bipolar, COM = VREF / 2
On/off leakage current, V
CH_
= 0V or V
DD
CONDITIONS
ELECTRICAL CHARACTERISTICS (continued)
(V
= +2.7V to +3.6V (MAX1246); V
= +2.7V to +5.25V (MAX1247); COM = 0V; f
= 2.0MHz; external clock (50% duty cycle);
15 clocks/conversion cycle (133ksps); MAX1246—4.7μF capacitor at VREF pin; MAX1247—external reference, VREF = 2.500V
applied to VREF pin; T
A
= T
MIN
to T
MAX
; unless otherwise noted.)
V
2.480
2.500
2.520
30
±50
±60
±80
VREF Output Voltage
VREF Short-Circuit Current
T
A
= +25°C
mA
±30
±30
±30
±0.35
MAX1246_C
MAX1246_E
MAX1246_M
0mA to 0.2mA output load
Internal compensation mode
External compensation mode
ppm/°C
VREF Temperature Coefficient
mV
Load Regulation (Note 8)
0
μF
4.7
0.047
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
MAX1247
MAX1246
MAX1246
±10
μA
±50
REFADJ Input Current
MAX1247
ANALOG/COM INPUTS
EXTERNAL REFERENCE AT REFADJ
相关PDF资料
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相关代理商/技术参数
参数描述
MAX1246BEEE+ 功能描述:模数转换器 - ADC 12-Bit 4Ch 133ksps 3.6V 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
MAX1246BEEE+T 功能描述:模数转换器 - ADC 12-Bit 4Ch 133ksps 3.6V 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
MAX1246BEEE-T 功能描述:模数转换器 - ADC 12-Bit 4Ch 133ksps 3.6V 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
MAX1246BEPE 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
MAX1246BEPE+ 功能描述:模数转换器 - ADC 12-Bit 4Ch 133ksps 3.6V 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
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