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参数资料
| 型号： | MAX1491CNI+ |
| 厂商： | Maxim Integrated |
| 文件页数： | 4/25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 |
| 数字或字符： | A/D，3.5 位数字 |
| 电流 - 电源： | 980µA |
| 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
ELECTRICAL CHARACTERISTICS (continued)
(AV DD = DV DD = +2.7V to +5.25V, GND = 0, V REF+ - V REF- = 2.048V (external reference), C NEG = 0.1μF. All specifications are T MIN
to T MAX , unless otherwise noted. Typical values are at +25°C, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
POWER SUPPLY
AV DD Voltage
DV DD Voltage
Power-Supply Rejection AV DD
Power-Supply Rejection DV DD
AV DD Current
DV DD Current
AV DD
DV DD
PSRR A
PSRR D
I AVDD
I DVDD
(Note 7)
(Note 7)
(Note 8)
DV DD = 5V
DV DD = 3.3V
2.70
2.70
80
100
5.25
5.25
660
320
180
V
V
dB
dB
μA
μA
LCD DRIVER
RMS Segment-On Voltage
RMS Segment-Off Voltage
Display Multiplex Rate
LCD Data-Update Rate
1.92 x
DV DD
1/3x
DV DD
107
2.5
V
V
Hz
Hz
Note 1: Integral nonlinearity is the derivation of the analog values at any code from its theoretical value after nulling the gain error
and offset error.
Note 2: Offset calibrated.
Note 3: Offset nulled.
Note 4: The input voltage range for the analog inputs is given with respect to the voltage on the negative input of the differential pair.
Note 5: For the range of V AIN+ or V AIN- = -2.2V to +2.2V and V REF+ or V REF- = -2.2V to +2.2V.
Note 6: External load must be constant during conversion for specified accuracy. Guaranteed specification of 2mV/mA is a result of
production test limitations.
Note 7: Measured at DC by changing the power-supply voltage from 2.7V to 5.25V and measuring its effect on the conversion error.
PSRR at 50Hz and 60Hz exceeds 120dB with filter notches of 10, 20, 30, 40, 50, or 60Hz.
Note 8: Analog power-supply currents are measured with all digital inputs at either GND or DV DD . Digital power-supply currents
measured with all digital inputs at either GND or DV DD .
4
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相关代理商/技术参数 |
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|---|---|
| MAX1491CNI+ | 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 |
| MAX14920ECB+ | 功能描述:电池管理 12/16Cell Measurement AFE RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
| MAX14920ECB+T | 功能描述:电池管理 12/16Cell Measurement AFE RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
| MAX14921ECS+ | 功能描述:电池管理 16Cell Measurement AFE RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
| MAX14921ECS+T | 功能描述:电池管理 16Cell Measurement AFE RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
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