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| 型号： | MAX144ACUA+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 11/16页 |
| 文件大小： | 0K |
| 描述： | IC ADC 12BIT 108KSPS 8-UMAX |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 50 |
| 位数： | 12 |
| 采样率（每秒）： | 108k |
| 数据接口： | MICROWIRE?，QSPI?，串行，SPI? |
| 转换器数目： | 1 |
| 功率耗散（最大）： | 330mW |
| 电压电源： | 单电源 |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-TSSOP，8-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 8-uMAX |
| 包装： | 管件 |
| 输入数目和类型： | 2 个单端，单极 |
MAX144/MAX145
+2.7V, Low-Power, 2-Channel, 108ksps,
Serial 12-Bit ADCs in 8-Pin MAX
4
_______________________________________________________________________________________
TIMING CHARACTERISTICS (Figure 7)
(VDD = +2.7V to +5.25V, VREF = 2.5V, 0.1F capacitor at REF, fSCLK = 2.17MHz, 16 clocks/conversion cycle (108ksps), CH-= GND
for MAX145, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Wake-Up Time
2.5
s
CS/SHDN Fall to Output Enable
tDV
CL = 100pF
120
ns
CS /SHDN Rise to Output Disable
tTR
CL = 100pF, Figure 1
120
ns
SCLK Fall to Output Data Valid
tDO
CL = 100pF, Figure 1
20
120
ns
External clock
0.1
2.17
SCLK Clock Frequency
fSCLK
Internal clock, SCLK for data transfer only
0
5
MHz
External clock
215
SCLK Pulse Width High
tCH
Internal clock, SCLK for data transfer only
(Note 8)
50
ns
External clock
215
SCLK Pulse Width Low
tCL
Internal clock, SCLK for data transfer only
(Note 8)
50
ns
SCLK to
CS /SHDN Setup
tSCLKS
60
ns
CS /SHDN Pulse Width
tCS
60
ns
Note 1: Tested at VDD = +2.7V.
Note 2: Relative accuracy is the deviation of the analog value at any code from its theoretical value after full-scale range has been
calibrated.
Note 3: Offset nulled.
Note 4: "On" channel is grounded; sine wave applied to "off" channel (MAX144 only).
Note 5: Conversion time is defined as the number of clock cycles times the clock period; clock has 50% duty cycle.
Note 6: The common-mode range for the analog inputs is from GND to VDD (MAX145 only).
Note 7: ADC performance is limited by the converter’s noise floor, typically 300Vp-p.
Note 8: Guaranteed by design. Not subject to production testing.
Note 9: Measured as VFS(2.7V) -VFS(5.25V).
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX144ACUA+ | 功能描述:模数转换器 - ADC 12-Bit 2Ch 108ksps 5.25V High Speed 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 |
| MAX144ACUA+T | 功能描述:模数转换器 - ADC 12-Bit 2Ch 108ksps 5.25V High Speed 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 |
| MAX144ACUA-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 |
| MAX144AEPA | 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 |
| MAX144AEPA+ | 功能描述:模数转换器 - ADC 12-Bit 2Ch 108ksps 5.25V High Speed 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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