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参数资料
| 型号： | MAX5105EWP+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 8/19页 |
| 文件大小： | 0K |
| 描述： | IC DAC 8BIT QUAD NV 20-SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 36 |
| 设置时间： | 6µs |
| 位数： | 8 |
| 数据接口： | 串行 |
| 转换器数目： | 4 |
| 电压电源： | 单电源 |
| 功率耗散（最大）： | 800mW |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 20-SOIC W |
| 包装： | 管件 |
| 输出数目和类型： | 4 电压，单极 |
| 采样率（每秒）： | * |
MAX5105/MAX5106
Nonvolatile, Quad, 8-Bit DACs
16
______________________________________________________________________________________
This initialization period takes about 80s with the DAC
registers loading first and the mute/shutdown register
loading last. During this time, the DAC outputs are held
in the mute state and the serial interface is disabled.
Once the mute/shutdown register is loaded, the DAC
outputs are updated to their stored data and operating
states, and the serial interface is enabled.
Applications Information
DAC Linearity and Offset Voltage
The output buffer can have a negative input offset volt-
age that would normally drive the output negative, but
since there is no negative supply, the output remains at
GND (Figure 9). When linearity is determined using the
end-point method, it is measured between code 10
(0Ahex) and full-scale code (FFhex) after the offset and
gain error are calibrated out. With a single supply, neg-
ative offset causes the output not to change with an
input code transition near zero (Figure 9). Thus, the
lowest code that produces a positive output is the lower
endpoint.
External Voltage Reference
The MAX5105/MAX5106 have two reference inputs for
each DAC, REFH_, and REFL_. REFH_ sets the full-
scale voltage, while REFL_ sets the zero code output.
REFL2 and REFL3 are internally connected to GND in
the MAX5106. A 256k
typical input impedance at
REFH_ is code independent. The output voltage from
these devices can be represented by a digitally pro-
grammable voltage source as follows:
VOUT = [(VREFH_ - VREFL_) x (N / 256)] + VREFL_
where N is the decimal value of the DAC’s binary input
code.
Power Sequencing
The voltage applied to REFH_ and REFL_ should not
exceed VDD at any time. If proper power sequencing is
not possible, connect an external Schottky diode
between REFH_ and REFL_ and VDD to ensure compli-
ance with the absolute maximum ratings. Do not apply
signals to the digital inputs before the device is fully
powered up.
Power-Supply Bypassing and
Ground Management
Digital or AC transient signals on GND can create noise
at the analog output. Return GND to the highest-quality
ground available. Bypass VDD with a 0.1F capacitor,
located as close to the device as possible. Bypass
REF_ to GND with a 0.1F capacitor. Carefully printed
circuit board ground layout minimizes crosstalk
between the DAC outputs and digital inputs.
Chip Information
TRANSISTOR COUNT: 32,000
PROCESS: CMOS
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX5105EWP+ | 功能描述:数模转换器- DAC 8-Bit 4Ch Precision DAC RoHS:否 制造商:Texas Instruments 转换器数量:1 DAC 输出端数量:1 转换速率:2 MSPs 分辨率:16 bit 接口类型:QSPI, SPI, Serial (3-Wire, Microwire) 稳定时间:1 us 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-14 封装:Tube |
| MAX5105EWP+T | 功能描述:数模转换器- DAC 8-Bit 4Ch Precision DAC RoHS:否 制造商:Texas Instruments 转换器数量:1 DAC 输出端数量:1 转换速率:2 MSPs 分辨率:16 bit 接口类型:QSPI, SPI, Serial (3-Wire, Microwire) 稳定时间:1 us 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-14 封装:Tube |
| MAX5105EWP-T | 功能描述:数模转换器- DAC RoHS:否 制造商:Texas Instruments 转换器数量:1 DAC 输出端数量:1 转换速率:2 MSPs 分辨率:16 bit 接口类型:QSPI, SPI, Serial (3-Wire, Microwire) 稳定时间:1 us 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-14 封装:Tube |
| MAX5105-MAX5106 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Nonvolatile, Quad, 8-Bit DACs |
| MAX5106 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Nonvolatile, Quad, 8-Bit DACs |
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