参数资料
型号: MAX1499ECJ+T
厂商: Maxim Integrated Products
文件页数: 29/33页
文件大小: 0K
描述: IC ADC 3 1/2DIG W/LED DVR 32TQFP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,000
位数: 3.5 位
采样率(每秒): 5
数据接口: MICROWIRE?,QSPI?,串行,SPI?
转换器数目: 1
电压电源: 模拟和数字
工作温度: -40°C ~ 85°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: 带卷 (TR)
输入数目和类型: 1 个差分,双极
MAX1497/MAX1499
3.5- and 4.5-Digit, Single-Chip ADCs with LED
Drivers and C Interface
_______________________________________________________________________________________
5
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
DVDD = 5V
320
DVDD = 3.3V
180
DVDD Current (Notes 8, 9)
IDVDD
Standby mode
20
A
LED Drivers Bias Current
From AVDD or VDD
120
A
LED DRIVERS (Table 6)
LED Supply Voltage
VLED
2.70
5.25
V
LED Shutdown Supply Current
ISHDN
LED driver shutdown mode
10
A
LED Supply Current
ILED
Seven segments and decimal point on,
RISET = 25k
176
mA
MAX1499
512
Display Scan Rate
fOSC
MAX1497
640
Hz
Segment Current Slew Rate
ISEG/t
25
mA/s
DIG_ Voltage Low
VDIG
IDIG_ = 176mA
0.178
0.300
V
Segment Drive Source Current
Matching
ISEG
±3
±10
%
Segment Drive Source Current
ISEG
VLED - VSEG = 0.6V, RISET = 25k
16
20
25.5
mA
Interdigit Blanking Time
4s
ELECTRICAL CHARACTERISTICS (continued)
(AVDD = DVDD = VDD = +2.7V to +5.25V, GND = 0, GLED = 0, VLED = +2.7V to +5.25V, VREF+ - VREF- = 2.048V (external reference)
CREF+ = CREF- = 0.1F, CVNEG = 0.1F. Internal clock mode, unless otherwise noted. All specifications are at TA = TMIN to TMAX.
Typical values are at TA = +25°C, unless otherwise noted.)
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MAX1499EVC16 功能描述:模数转换器 - ADC 3.5- and 4.5-Digit Single-Chip ADCs with LED Drivers and uC Interface 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
MAX1499EVKIT 功能描述:数据转换 IC 开发工具 Evaluation Kit/Evaluation System for the MAX1499 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
MAX149ACAP 功能描述:模数转换器 - ADC Integrated Circuits (ICs) 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
MAX149ACAP+ 功能描述:模数转换器 - ADC 10-Bit 8Ch 133ksps 5.25V Precision 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
MAX149ACAP+T 功能描述:模数转换器 - ADC 10-Bit 8Ch 133ksps 5.25V Precision 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