参数资料
型号: MAX1257BETM+T
厂商: Maxim Integrated Products
文件页数: 9/43页
文件大小: 0K
描述: IC ADC/DAC 12BIT 48-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
类型: ADC,DAC
分辨率(位): 12 b
采样率(每秒): 225k
数据接口: 串行
电压电源: 模拟和数字
电源电压: 2.7 V ~ 3.6 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 48-WFQFN 裸露焊盘
供应商设备封装: 48-TQFN-EP(7x7)
包装: 带卷 (TR)
MAX1220/MAX1257/MAX1258
12-Bit, Multichannel ADCs/DACs with FIFO,
Temperature Sensing, and GPIO Ports
______________________________________________________________________________________
17
Pin Description (continued)
PIN
MAX1220
MAX1257
MAX1258
NAME
FUNCTION
26
35
REF1
Reference 1 Input. Reference voltage; leave unconnected to use the
internal reference (2.5V for the MAX1257 or 4.096V for the
MAX1220/MAX1258). REF1 is the positive reference in ADC external
differential reference mode. Bypass REF1 to AGND with a 0.1F
capacitor in external reference mode only. See the ADC/DAC
References section.
27–31, 34
AIN0–AIN5
Analog Inputs
35
REF2/AIN6
Reference 2 Input/Analog Input 6. See Table 5 for details on
programming the setup register. REF2 is the negative reference in the
ADC external differential reference mode.
36
CNVST/AIN7
Active-Low Conversion-Start Input/Analog Input 7. See Table 5 for details
on programming the setup register.
1
CNVST/AIN15
Active-Low Conversion-Start Input/Analog Input 15. See Table 5 for
details on programming the setup register.
2, 3, 5, 6
GPIOA0–GPIOA3 General-Purpose I/O A0–A3. GPIOA0–GPIOA3 can sink and source 15mA.
16, 17,
20, 21
GPIOB0–GPIOB3
General-Purpose I/O B0–B3. GPIOB0–GPIOB3 can sink 4mA and
source 2mA.
29–32
GPIOC0–GPIOC3
General-Purpose I/O C0–C3. GPIOC0–GPIOC3 can sink 4mA and
source 2mA.
33, 34, 36–47
AIN0–AIN13
Analog Inputs
48
REF2/AIN14
Reference 2 Input/Analog Input 14. See Table 5 for details on
programming the setup register. REF2 is the negative reference in the
ADC external differential reference mode.
EP
Exposed Pad. Must be externally connected to AGND. Do not use as a
ground connect.
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MAX1257EVKIT 功能描述:数据转换 IC 开发工具 Programmers, Development Systems 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
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MAX1258BETM+ 功能描述:ADC / DAC多通道 12-Bit 16Ch 300ksps 5.5V Precision ADC RoHS:否 制造商:Texas Instruments 转换速率: 分辨率:8 bit 接口类型:SPI 电压参考: 电源电压-最大:3.6 V 电源电压-最小:2 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-40
MAX1258BETM+T 功能描述:ADC / DAC多通道 12-Bit 16Ch 300ksps 5.5V Precision ADC RoHS:否 制造商:Texas Instruments 转换速率: 分辨率:8 bit 接口类型:SPI 电压参考: 电源电压-最大:3.6 V 电源电压-最小:2 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-40
MAX1258BETM-T 功能描述:ADC / DAC多通道 RoHS:否 制造商:Texas Instruments 转换速率: 分辨率:8 bit 接口类型:SPI 电压参考: 电源电压-最大:3.6 V 电源电压-最小:2 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-40