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参数资料
| 型号： | MAX1342BETX+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 29/39页 |
| 文件大小： | 0K |
| 描述： | IC ADC/DAC 12BIT W/FIFO 36WQFN |
| 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： | MICROWIRE?，QSPI?，串行，SPI? |
| 电压电源： | 模拟和数字 |
| 电源电压： | 4.75 V ~ 5.25 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 36-WFQFN 裸露焊盘 |
| 供应商设备封装： | 36-TQFN 裸露焊盘（6x6） |
| 包装： | 带卷 (TR) |
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MAX1340/MAX1342/MAX1346/MAX1348
12-Bit, Multichannel ADCs/DACs with FIFO,
Temperature Sensing, and GPIO Ports
______________________________________________________________________________________
35
GPIO INPUT/OUTPUT
CS
tGSU
tGOD
Figure 13. GPIO Timing
LDAC
tLDACPWL
tS
OUT_
±1 LSB
Figure 14.
LDAC Functionality
LDAC Functionality
Drive
LDAC low to transfer the content of the input reg-
isters to the DAC registers. Drive
LDAC permanently
low to make the DAC register transparent. The DAC
output typically settles from zero to full scale within ±1
LSB after 2s. See Figure 14.
Layout, Grounding, and Bypassing
For best performance, use PC boards. Ensure that digi-
tal and analog signal lines are separated from each
other. Do not run analog and digital signals parallel to
one another (especially clock signals) or do not run dig-
ital lines underneath the MAX1340/MAX1342/
MAX1346/MAX1348 package. High-frequency noise in
the AVDD power supply may affect performance.
Bypass the AVDD supply with a 0.1F capacitor to
AGND, close to the AVDD pin. Bypass the DVDD supply
with a 0.1F capacitor to DGND, close to the DVDD pin.
Minimize capacitor lead lengths for best supply-noise
rejection. If the power supply is very noisy, connect a
10 resistor in series with the supply to improve power-
supply filtering.
The MAX1340/MAX1342/MAX1346/MAX1348 thin QFN
packages contain an exposed pad on the underside of
the device. Connect this exposed pad to AGND. Refer to
the MAX1258EVKIT for an example of proper layout.
Definitions
Integral Nonlinearity
Integral nonlinearity (INL) is the deviation of the values
on an actual transfer function from a straight line. This
straight line can be either a best-straight-line fit or a line
drawn between the end points of the transfer function,
once offset and gain errors have been nullified. INL for
the MAX1340/MAX1342/MAX1346/MAX1348 is mea-
sured using the end-point method.
Differential Nonlinearity
Differential nonlinearity (DNL) is the difference between
an actual step width and the ideal value of 1 LSB. A
DNL error specification of less than 1 LSB guarantees
no missing codes and a monotonic transfer function.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX13430EETB+ | 制造商:Maxim Integrated Products 功能描述:RS-485 TRANSCEIVERS WITH LOW-VOLTAGE LOGIC INTERFACE - Rail/Tube |
| MAX13430EETB+T | 功能描述:RS-485接口IC Txrx RS-485 0.5Mbps Half RoHS:否 制造商:Texas Instruments 数据速率:250 Kbps 工作电源电压:3.3 V 电源电流:750 uA 工作温度范围:- 40 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| MAX13430EEUB+ | 功能描述:RS-485接口IC Txrx RS-485 0.5Mbps Half RoHS:否 制造商:Texas Instruments 数据速率:250 Kbps 工作电源电压:3.3 V 电源电流:750 uA 工作温度范围:- 40 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| MAX13430EEUB+T | 功能描述:RS-485接口IC Txrx RS-485 0.5Mbps Half RoHS:否 制造商:Texas Instruments 数据速率:250 Kbps 工作电源电压:3.3 V 电源电流:750 uA 工作温度范围:- 40 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| MAX13431EETB+ | 制造商:Maxim Integrated Products 功能描述:LINE TRNSCVR 1TR 1TX 1RX 10TDFN EP - Rail/Tube 制造商:Maxim Integrated Products 功能描述:RS-485 TRANSCEIVERS WITH LOW-VOLTAGE LOG |
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