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MCP4921 Arkusz danych(PDF) 14 Page - Microchip Technology

Numer części MCP4921
Szczegółowy opis  12-Bit DAC with SPI??Interface
PDF  40 Pages
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Producent  MICROCHIP [Microchip Technology]
Strona internetowa  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MCP4921 Arkusz danych(HTML) 14 Page - Microchip Technology

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MCP4921/4922
DS21897A-page 14
 2004 Microchip Technology Inc.
Note: Unless otherwise indicated, TA = +25°C, VDD = 5V , AVSS = 0V, VREF = 2.50V, Gain = 2, RL = 5 kΩ, CL = 100 pF.
FIGURE 2-35:
Multiplier Mode Bandwidth.
FIGURE 2-36:
-3 db Bandwidth vs. Worst
Codes.
FIGURE 2-37:
Phase Shift.
-12
-10
-8
-6
-4
-2
0
100
1,000
Frequency (kHz)
D = 160
D = 416
D = 672
D = 928
D = 1184
D = 1440
D = 1696
D = 1952
D = 2208
D = 2464
D = 2720
D = 2976
D = 3232
D = 3488
D = 3744
Figure 2-35 calculation:
Attenuation (dB) = 20 log (VOUT/VREF) – 20 log (G(D/4096))
400
420
440
460
480
500
520
540
560
580
600
Worst Case Codes (decimal)
G = 1
G = 2
-180
-135
-90
-45
0
100
1,000
Frequency (kHz)
D = 160
D = 416
D = 672
D = 928
D = 1184
D = 1440
D = 1696
D = 1952
D = 2208
D = 2464
D = 2720
D = 2976
D = 3232
D = 3488
D = 3744



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