參數(shù)資料
型號(hào)： MAX5121BEEE
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： DAC
英文描述： +3V/+5V, 12-Bit, Serial Voltage-Output DACs with Internal Reference
中文描述： SERIAL INPUT LOADING, 20 us SETTLING TIME, 12-BIT DAC, PDSO16
封裝： 0.150 INCH, 0.025 INCH PITCH, QSOP-16
文件頁(yè)數(shù)： 17/20頁(yè)
文件大?。?/td> 288K
代理商： MAX5121BEEE
M
+3V /+5V, 12-Bit, S erial Voltage-Output DACs
with Internal Referenc e
______________________________________________________________________________________
17
TOOTHER
SERIAL DEVICES
MAX5120
MAX5121
DIN
SCLK
CS
MAX5120
MAX5121
DIN
SCLK
CS
MAX5120
MAX5121
DIN
I
II
III
SCLK
CS
DIN
SCLK
CS1
CS2
CS3
Figure 13. Multiple Devices Share One Common Digital Input (DIN)
DAC
OUT
MAX5120
MAX5121
10k
26k
OS
REF
R
0.6384R
V
DD
DGND
AGND
+5V/+3V
AC
REFERENCE
INPUT
500mVp-p
MAX495
+5V/+3V
Figure 14. External Reference with AC Components
Using an External Referenc e
with AC Components
The MAX5120/MAX5121 have multiplying capabilities
within the reference input voltage range specifications.
Figure 14 shows a technique for applying a sinusoidal
input to REF, where the AC signal is offset before being
applied to the reference input.
Power-S upply and Bypassing
Considerations
On power-up, the input and DAC registers are cleared
to either zero (RSTVAL = DGND) or midscale (RSTVAL
= V
DD
). Bypass the power supply with a 4.7μF capaci-
tor in parallel with a 0.1μF capacitor to AGND. Minimize
lead lengths to reduce lead inductance.
Layout Considerations
Digital and AC transient signals coupling to AGND can
create noise at the output. Connect AGND to the high-
est quality ground available. Use proper grounding
techniques, such as a multilayer board with a low-
inductance ground plane. Wire-wrapped boards and
sockets are not recommended. If noise becomes an
issue, shielding may be required.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX5121BEEE+ 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(shí)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
MAX5121BEEE+T 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(shí)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
MAX5121BEEE-T 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(shí)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
MAX5122 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:+5V/+3V, 12-Bit, Serial, Force/Sense DACs with 10ppm/∑C Internal Reference
MAX5122AEEE 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(shí)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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