参数资料
型号: MAX148AEPP+
厂商: Maxim Integrated Products
文件页数: 19/23页
文件大小: 0K
描述: IC ADC 10BIT SERIAL 20-DIP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 18
位数: 10
采样率(每秒): 133k
数据接口: MICROWIRE?,QSPI?,串行,SPI?
转换器数目: 1
功率耗散(最大): 889mW
电压电源: 单电源
工作温度: -40°C ~ 85°C
安装类型: 通孔
封装/外壳: 20-DIP(0.300",7.62mm)
供应商设备封装: 20-PDIP
包装: 管件
输入数目和类型: 8 个单端,单极;8 个单端,双极;4 个差分,单极;4 个差分,双极
+2.7V to +5.25V, Low-Power, 8-Channel,
Serial 10-Bit ADCs
MAX148/MAX149
5
TIMING CHARACTERISTICS
(VDD = +2.7V to +5.25V, TA = TMIN to TMAX, unless otherwise noted.)
Note 1: Tested at VDD = 2.7V; COM = 0; unipolar single-ended input mode.
Note 2: Relative accuracy is the deviation of the analog value at any code from its theoretical value after the full-scale range has
been calibrated.
Note 3: MAX149—internal reference, offset nulled; MAX148—external reference (VREF = +2.500V), offset nulled.
Note 4: Ground “on” channel; sine wave applied to all “off” channels.
Note 5: Conversion time defined as the number of clock cycles multiplied by the clock period; clock has 50% duty cycle.
Note 6: The common-mode range for the analog inputs is from AGND to VDD.
Note 7: Sample tested to 0.1% AQL.
Note 8: External load should not change during conversion for specified accuracy.
Note 9: ADC performance is limited by the converter’s noise floor, typically 300FVP-P.
Note 10: Guaranteed by design. Not subject to production testing.
Note 11: The MAX148 typically draws 400FA less than the values shown.
Note 12: Measured as |VFS(2.7V) - VFS(5.25V)|.
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Acquisition Time
tACQ
1.5
μs
DIN to SCLK Setup
tDS
100
ns
DIN to SCLK Hold
tDH
0
ns
SCLK Fall to Output Data Valid
tDO
Figure 1, MAX14_ _C/E
20
200
ns
CS Fall to Output Enable
tDV
Figure 1
240
ns
CS Rise to Output Disable
tTR
Figure 2
240
ns
CS to SCLK Rise Setup
tCSS
100
ns
CS to SCLK Rise Hold
tCSH
0
ns
SCLK Pulse Width High
tCH
200
ns
SCLK Pulse Width Low
tCL
200
ns
SCLK Fall to SSTRB
tSSTRB
Figure 1
240
ns
CS Fall to SSTRB Output Enable
tSDV
External clock mode only, Figure 1
240
ns
CS Rise to SSTRB Output Disable
tSTR
External clock mode only, Figure 2
240
ns
SSTRB Rise to SCLK Rise
tSCK
Internal clock mode only (Note 7)
0
ns
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MAX148AMJP 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
MAX148BC/D 功能描述:模数转换器 - ADC +2.7V to +5.25V Low-Power 8-Channel Serial 10-Bit ADCs 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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MAX148BCAP+ 功能描述:模数转换器 - ADC 10-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