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參數(shù)資料
| 型號： | MAX512 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Low-Cost, Triple, 8-Bit Voltage-Output DACs with Serial Interface(三通道,串行,電壓輸出,8位D/A轉(zhuǎn)換器) |
| 中文描述： | 低成本、3通道、8位、電壓輸出DAC，串行接口 |
| 文件頁數(shù)： | 12/16頁 |
| 文件大小： | 221K |
| 代理商： | MAX512 |
M
Low-Cost, Triple, 8-Bit Voltage-Output DACs
with S erial Interfac e
12
______________________________________________________________________________________
_____________
Applic ations Information
Power-S upply and Referenc e
Operating Ranges
The MAX512 is fully specified to operate with
V
= 5V ±10% and V
= GND = 0V. The MAX513 is
specified for single-supply operation with V
ranging from
2.7V to 3.6V, covering all commonly used supply voltages
in 3V systems. The MAX512/MAX513 can also be used
with a negative supply ranging from -1.5V to -5.5V. Using a
negative supply typically improves zero-code error and
settling time (as shown in the Typical Operating
Characteristics graphs).
The two separate reference inputs for the DAC pair A/B
and the unbuffered output C allow different full-scale out-
put voltages and, if a negative supply is used, also allow
different polarity. In dual-supply mode, REFAB can vary
from V
to (V
- 1.5V). In single-supply mode, the
specified range for REFAB is 0V to V
. REFC can range
from GND to V
DD
. Do not force REFC below ground.
Power-supply sequencing is not critical. If a negative sup-
ply is used, make sure V
is never more than 0.3V above
ground. Do not apply signals to the digital inputs until the
device is powered-up. If this is not possible, add current-
limiting resistors to the digital inputs.
Power-S upply Bypassing and
Ground Management
In single-supply operation (V
= GND), GND and V
should be connected to the highest quality ground
available. Bypass V
with a 0.1μF to 0.22μF capacitor
to GND. For dual-supply operation, bypass V
with a
0.1μF to 0.22μF capacitor to GND. Reference inputs
can be used without bypassing. For optimum line/load-
transient response and noise performance, bypass the
reference inputs with 0.1μF to 4.7μF to GND. Careful
PC board layout minimizes crosstalk among DAC out-
puts, reference inputs, and digital inputs. Separate ana-
log lines with ground traces between them. Make sure
that high-frequency digital lines are not routed in paral-
lel to analog lines.
Unipolar Output
With unipolar output, the output voltage and the refer-
ence voltage are the same polarity. The MAX512/
MAX513 can be used with a single supply if the refer-
ence voltages are positive. With a negative supply,
the
REFAB voltage can vary from V
approximately (V
DD
- 1.5V), allowing two-quadrant mul-
tiplication.
to
CS
SCLK
DIN
LOUT
t
DS
t
OD
t
DH
t
CL
t
CH
t
CSS
t
CSPWH
t
CSH
Figure 3. MAX512/MAX513 Detailed Serial-Interface Timing Diagram
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX512/513 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Low-Cost Triple 8-Bit Voltage-Output DAC＇s with Serial Interface |
| MAX512/MAX513 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Low-Cost Triple 8-Bit Voltage-Output DACs with Serial Interface |
| MAX5120 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:+3V/+5V, 12-Bit, Serial Voltage-Output DACs with Internal Reference |
| MAX5120AEEE | 功能描述:數(shù)模轉(zhuǎn)換器- DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX5120AEEE+ | 功能描述:數(shù)模轉(zhuǎn)換器- DAC 12-Bit Precision DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
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