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参数资料
| 型号： | MAX1495CCJ+ |
| 厂商： | Maxim Integrated |
| 文件页数： | 7/25页 |
| 文件大小： | 0K |
| 描述： | IC ADC 4.5 DGT LCD DVR 32-TQFP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 250 |
| 显示器类型： | LCD |
| 配置： | 7 段 + 2 个信号器 |
| 数字或字符： | A/D，4.5 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： | 表面贴装 |
| 封装/外壳： | 32-LQFP |
| 供应商设备封装： | 32-LQFP（7x7） |
| 包装： | 托盘 |
| 产品目录页面： | 1397 (CN2011-ZH PDF) |
3.5- and 4.5-Digit, Single-Chip
ADCs with LCD Drivers
Pin Description
PIN
MAX1491
1
2
3
4
5
6
MAX1493
MAX1495
30
31
32
1
2
3
NAME
INTREF
DV DD
GND
AV DD
AIN+
AIN-
FUNCTION
Internal Reference Logic Input. Connect to GND to select external reference mode. Connect
to DV DD to select the internal reference mode.
Digital Power Input. Connect DV DD to a 2.7V to 5.25V power supply. Bypass DV DD to GND
with a 0.1μF and a 4.7μF capacitor.
Ground
Analog Power Input. Connect AV DD to a 2.7V to 5.25V power supply. Bypass AV DD to GND
with a 0.1μF and a 4.7μF capacitor.
Positive Analog Input. Positive side of fully differential analog input. Bypass A IN+ to GND with
a 0.1μF or greater capacitor.
Negative Analog Input. Negative side of fully differential analog input. Bypass A IN- to GND
with a 0.1μF or greater capacitor.
Negative Reference Input. For internal reference operation, connect REF- to GND. For
7
4
REF-
external reference operation, bypass REF- to GND with a 0.1μF capacitor and set V REF- from
-2.2V to +2.2V, provided V REF+ > V REF- .
Positive Reference Input. For internal reference operation, connect a 4.7μF capacitor from
8
5
REF+
REF+ to GND. For external reference operation, bypass REF+ to GND with a 0.1μF capacitor
and set V REF+ from -2.2V to +2.2V, provided V REF+ > V REF- .
9
6
LOWBATT Low Battery Input. When V LOWBATT < 2.048V (typ), the LOWBATT symbol on the LCD turns on.
10
11
12
13
7
8
9
10
RANGE
DPSET1
DPSET2
PEAK
Range Logic Input. RANGE controls the fully differential analog input range. Connect to GND
for the ±2V input range. Connect to DV DD for the ±200mV input range.
Decimal Point Logic Input 1. Controls the decimal point of the LCD. See the Decimal Point
Control section.
Decimal Point Logic Input 2. Controls the decimal point of the LCD. See the Decimal Point
Control section.
Peak Logic Input. Connect to DV DD to display the highest ADC value on the LCD. Connect to
GND to disable the peak function.
Hold Logic Input. Connect to DV DD to hold the current ADC value on the LCD. Connect to
14
11
HOLD
GND to update the LCD at a rate of 2.5Hz and disable the hold function. For the MAX1495,
placing the device into hold mode initiates an enhanced offset calibration. Assert HOLD high
for a minimum of 2s to ensure the completion of enhanced offset calibration.
15
16
17
18
19
20
12
13
14
15
16
17
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
LCD Segment 1 Driver
LCD Segment 2 Driver
LCD Segment 3 Driver
LCD Segment 4 Driver
LCD Segment 5 Driver
LCD Segment 6 Driver
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1495CCJ+ | 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 |
| MAX1495CCJ+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 |
| MAX1495CCJ-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 |
| MAX1495EEVKIT+ | 功能描述:数据转换 IC 开发工具 enhanced VGA por protector RoHS:否 制造商:Texas Instruments 产品:Demonstration Kits 类型:ADC 工具用于评估:ADS130E08 接口类型:SPI 工作电源电压:- 6 V to + 6 V |
| MAX14966EVKIT# | 制造商:Maxim Integrated Products 功能描述:SINGLE CHANNEL USB3.0 REDRIVER IN WLP - Boxed Product (Development Kits) 制造商:Maxim Integrated Products 功能描述:KIT REDRIVER 1CH USB3.0 WLP |
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