参数资料
型号: MAX1492CNI+
厂商: Maxim Integrated
文件页数: 15/34页
文件大小: 0K
描述: IC ADC W/LCD DRIVER 28-DIP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 14
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: 通孔
封装/外壳: 28-DIP(0.300",7.62mm)
供应商设备封装: 28-PDIP
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
φ 1
φ 2
φ 3
φ 1'
φ 2'
φ 3'
V+
BP1
V H
V LCD
V L
V-
V+
V H
BP2
V L
V-
V+
V H
BP3
V L
V-
V+
ALL
OFF
a ON
g, d OFF
g ON
a, d OFF
d ON
a, g OFF
FREQUENCY = 107Hz
V H
V L
V-
V+
V H
V L
V-
V+
V H
V L
V-
V+
V H
V L
V-
φ 1, φ 2, φ 3 - - BP HIGH WITH RESPECT TO SEGMENT (BP+ TIME)
φ 1', φ 2', φ 3' - - BP LOW WITH RESPECT TO SEGMENT (BP- TIME)
BP1 ACTIVE DURING φ 1 AND φ 1'
BP2 ACTIVE DURING φ 2 AND φ 2'
BP3 ACTIVE DURING φ 3 AND φ 3'
Figure 9. LCD Voltage Waveform—Combinations 1–4 (BP_, SEG2/5/8)
V+ = V DVDD , V H = 2/3 V DVDD
V L = 1/3 V LCD , V- = GND OR V DISP
V LCD = V DVDD - V DISP (MAX1494)
V LCD = V DVDD - V GND (MAX1492)
Figure 21 shows the MAX1492/MAX1494 operating with
an external single-ended reference. In this mode, REF-
is connected to GND and REF+ is driven with an exter-
nal 2.048V reference. Bypass REF+ to GND with a
0.47μF capacitor.
Figure 20 shows the MAX1492/MAX1494 operating with
an external differential reference. In this mode, REF-
is connected to the top of the strain gauge and REF+
is connected to the midpoint of the resistor-divider of
the supply.
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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
MAX14934AAWE+ 制造商:Maxim Integrated Products 功能描述:
MAX1493CCJ 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
MAX1493CCJ+ 功能描述:模数转换器 - ADC 4.5 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
MAX1493CCJ+T 功能描述:模数转换器 - ADC 4.5 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