参数资料
型号: MAX1492CAI+
厂商: Maxim Integrated
文件页数: 5/34页
文件大小: 0K
描述: IC ADC 3.5 DGT LCD DVR 28-SSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 46
显示器类型: LCD
配置: 7 段 + 2 个信号器
接口: 串行
数字或字符: A/D,3.5 位数字
电流 - 电源: 960µA
电源电压: 2.7 V ~ 5.25 V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 28-SSOP(0.209",5.30mm 宽)
供应商设备封装: 28-SSOP
包装: 管件
产品目录页面: 1397 (CN2011-ZH PDF)
3.5- and 4.5-Digit, Single-Chip ADCs
with LCD Drivers
TIMING CHARACTERISTICS (Notes 10, 11 and Figure 13)
(V AVDD = V DVDD = 2.7V to 5.25V, V GND = 0V, T A = T MIN to T MAX , unless otherwise noted.)
PARAMETER
SCLK Operating Frequency
SYMBOL
f SCLK
CONDITIONS
MIN
0
TYP
MAX
4.2
UNITS
MHz
SCLK Pulse-Width High
SCLK Pulse-Width Low
DIN to SCLK Setup
DIN to SCLK Hold
CS Fall to SCLK Rise Setup
SCLK Rise to CS Rise Hold
t CH
t CL
t DS
t DH
t CSS
t CSH
100
100
50
0
50
0
ns
ns
ns
ns
ns
ns
SCLK Fall to DOUT Valid
CS Rise to DOUT Disable
CS Fall to DOUT Enable
t DO
t TR
t DV
C LOAD = 50pF (Figures 18, 19)
C LOAD = 50pF (Figures 18, 19)
C LOAD = 50pF (Figures 18, 19)
120
120
120
ns
ns
ns
Note 1:
Note 2:
Note 3:
Note 4:
Note 5:
Note 6:
Note 7:
Note 8:
Note 9:
Integral nonlinearity is the deviation of the analog value at any code from its theoretical value after nulling the gain error
and offset error.
Offset calibrated. See the OFFSET_CAL1 and OFFSET_CAL2 sections in the On-Chip Registers section.
Offset nulled.
Drift error is eliminated by recalibration at the new temperature.
The input voltage range for the analog inputs is given with respect to the voltage on the negative input of the differential pair.
V AIN+ or V AIN- = -2.2V to +2.2V. V REF+ or V REF- = -2.2V to +2.2V. All input structures are identical. Production tested on
AIN+ and REF+ only.
Measured at DC by changing the power-supply voltage from 2.7V to 5.25V and measuring the effect on the conversion
error with external reference. PSRR at 50Hz and 60Hz exceeds 120dB with filter notches at 50Hz and 60Hz (Figure 2).
CLK and SCLK are idle.
Power-supply currents are measured with all digital inputs at either GND or DVDD and with the device in internal clock mode.
Note 10: All input signals are specified with t RISE = t FALL = 5ns (10% to 90% of DVDD) and are timed from a voltage level of 50% of
DVDD, unless otherwise noted.
Note 11: See the serial-interface timing diagrams.
_______________________________________________________________________________________
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相关代理商/技术参数
参数描述
MAX1492CAI+ 功能描述:模数转换器 - ADC 3.5 Digit ADC w/LCD Drivers 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
MAX1492CAI+T 功能描述:模数转换器 - ADC 3.5 Digit ADC w/LCD Drivers 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
MAX1492CAI-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
MAX1492CNI 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
MAX1492CNI+ 功能描述:模数转换器 - ADC 3.5 Digit ADC w/LCD Drivers 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