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| 型号： | MAX1240AESA+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 13/15页 |
| 文件大小： | 0K |
| 描述： | IC ADC 12BIT SERIAL 8-SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 位数： | 12 |
| 采样率（每秒）： | 73k |
| 数据接口： | MICROWIRE?，QSPI?，串行，SPI? |
| 转换器数目： | 1 |
| 功率耗散（最大）： | 471mW |
| 电压电源： | 单电源 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 带卷 (TR) |
| 输入数目和类型： | 1 个单端，单极 |
MAX1240/MAX1241
+2.7V, Low-Power,
12-Bit Serial ADCs in 8-Pin SO
_______________________________________________________________________________________
7
_______________________________________________________________________Pin Description
6
DOUT
Serial Data Output. Data changes state at SCLK’s falling edge. DOUT is high impedance when CS is
high.
8
SCLK
3
SHDN
Three-Level Shutdown Input. Pulling SHDN low shuts the MAX1240/MAX1241 down to 15A (max)
supply current. Both the MAX1240 and MAX1241 are fully operational with either SHDN high or
unconnected. For the MAX1240, pulling SHDN high enables the internal reference, and letting SHDN
open disables the internal reference and allows for the use of an external reference.
4
REF
Reference Voltage for Analog-to-Digital Conversion. Internal 2.5V reference output for MAX1240;
bypass with 4.7F capacitor. External reference voltage input for MAX1241, or for MAX1240 with the
internal reference disabled. Bypass REF with a minimum of 0.1F when using an external reference.
7
CS
Active-Low Chip Select initiates conversions on the falling edge. When CS is high, DOUT is high
impedance.
5
GND
Analog and Digital Ground
2
AIN
Sampling Analog Input, 0V to VREF range
NAME
FUNCTION
1
VDD
Positive Supply Voltage: 2.7V to 3.6V, (MAX1240); 2.7V to 5.25V (MAX1241)
PIN
Serial Clock Input. SCLK clocks data out at rates up to 2.1MHz.
0.6
INTEGRAL NONLINEARITY
vs. CODE
-0.6
0
-0.2
-0.4
0.4
0.2
MAX1241-11A/NEW
INL
(LSB)
CODE
1024
2048
3072
4096
0
20
-140
0
37.50
FFT PLOT
-120
0
-80
-100
-40
-20
-60
18.75
AMPLITUDE
(dB)
FREQUENCY (kHz)
fAIN = 10kHz, 2.5VP-P
fSAMPLE = 73ksps
MAX1241-TOC12A
____________________________Typical Operating Characteristics (continued)
(VDD = 3.0V, REF = 2.5V, fSCLK = 2.1MHz, CL = 20pF, TA = +25°C, unless otherwise noted.)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1240AMJA | 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 |
| MAX1240BCPA | 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 |
| MAX1240BCPA+ | 功能描述:模数转换器 - ADC 12-Bit 73ksps 3.6V 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 |
| MAX1240BCSA | 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 |
| MAX1240BCSA+ | 功能描述:模数转换器 - ADC 12-Bit 73ksps 3.6V 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 |
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