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參數(shù)資料
| 型號： | 5962-8967401QX |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | ADC |
| 英文描述： | 1-CH 14-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL/PARALLEL ACCESS, CDIP40 |
| 封裝： | CERAMIC, DIP-40 |
| 文件頁數(shù)： | 26/34頁 |
| 文件大?。?/td> | 860K |
| 代理商： | 5962-8967401QX |
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MAX5580–MAX5585
Buffered, Fast-Settling, Quad,
12-/10-/8-Bit, Voltage-Output DACs
32
______________________________________________________________________________________
Power-Supply and Layout Considerations
Bypass the analog and digital power supplies by using a
10F capacitor in parallel with a 0.1F capacitor to AGND
and DGND (Figure 10). Minimize lead lengths to reduce
lead inductance. Use shielding and/or ferrite beads to fur-
ther increase isolation.
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. For optimum system
performance, use PC boards with separate analog and
digital ground planes. Connect the two ground planes
together at the low-impedance power-supply source.
Using separate power supplies for AVDD and DVDD
improves noise immunity. Connect AGND and DGND at
the low-impedance power-supply sources (Figure 11).
MAX5580–
MAX5585
10F
0.1F
DVDD
AVDD
DVDD
AGND***
DGND***
10F
0.1F
AVDD
1F**
0.1F**
MAX6126
REF
OUTA
FBA*
OUTB
FBB*
OUTC
FBC*
OUTD
FBD*
UPIO1
UPIO2
SCLK
DIN
PU
CS
DSP
*MAX5581/MAX5583/MAX5585 ONLY.
**REMOVE BYPASS CAPACITORS ON REF FOR AN AC REFERENCE INPUT.
***CONNECT ANALOG AND DIGITAL GROUND AT THE PLANES AT
THE LOW-IMPEDANCE POWER-SUPPLY SOURCE.
Figure 10. Bypassing Power Supplies AVDD, DVDD, and REF
MAX5580–MAX5585
0.1F
10F
AVDD
AGND
AVDD
AGND
0.1F
10F
DVDD
DGND
DVDD
DGND
DVDD
DGND
ANALOG SUPPLY
DIGITAL SUPPLY
DIGITAL
CIRCUITRY
Figure 11. Separate Analog and Digital Power Supplies
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相關代理商/技術參數(shù) |
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| 5962-8967901XC | 制造商:SEI 功能描述: |
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