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EFR32MG12P432F Datasheet, PDF (88/181 Pages) Silicon Laboratories – EFR32MG12 Mighty Gecko Multi-Protocol Wireless SoC Family Data Sheet | |||
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EFR32MG12 Mighty Gecko Multi-Protocol Wireless SoC Family Data Sheet
Electrical Specifications
4.1.18 Digital to Analog Converter (VDAC)
DRIVESTRENGTH = 2 unless otherwise specified. Primary VDAC output.
Table 4.44. Digital to Analog Converter (VDAC)
Parameter
Output voltage
Symbol
VDACOUT
Current consumption includ- IDAC
ing references (2 channels)1
Current from HFPERCLK4
Sample rate
DAC clock frequency
Conversion time
Settling time
Startup time
IDAC_CLK
SRDAC
fDAC
tDACCONV
tDACSETTLE
tDACSTARTUP
Output impedance
ROUT
Power supply rejection ratio6 PSRR
Test Condition
Single-Ended
Differential2
500 ksps, 12-bit, DRIVES-
TRENGTH = 2, REFSEL = 4
44.1 ksps, 12-bit, DRIVES-
TRENGTH = 1, REFSEL = 4
200 Hz refresh rate, 12-bit Sam-
ple-Off mode in EM2, DRIVES-
TRENGTH = 2, BGRREQTIME =
1, EM2REFENTIME = 9, REFSEL
= 4, SETTLETIME = 0x0A, WAR-
MUPTIME = 0x02
fDAC = 1MHz
50% fs step settling to 5 LSB
Enable to 90% fs output, settling
to 10 LSB
DRIVESTRENGTH = 2, 0.4 V â¤
VOUT ⤠VOPA - 0.4 V, -8 mA <
IOUT < 8 mA, Full supply range
DRIVESTRENGTH = 0 or 1, 0.4 V
⤠VOUT ⤠VOPA - 0.4 V, -400 μA <
IOUT < 400 μA, Full supply range
DRIVESTRENGTH = 2, 0.1 V â¤
VOUT ⤠VOPA - 0.1 V, -2 mA <
IOUT < 2 mA, Full supply range
DRIVESTRENGTH = 0 or 1, 0.1 V
⤠VOUT ⤠VOPA - 0.1 V, -100 μA <
IOUT < 100 μA, Full supply range
Vout = 50% fs. DC
Min
0
-VVREF
â
â
â
â
â
â
2
â
â
â
â
â
â
â
Typ
â
â
396
72
1.2
5.8
â
â
â
2.5
â
2
2
2
2
65.5
Max
VVREF
VVREF
â
â
â
Unit
V
V
μA
μA
μA
â
μA/MHz
500
ksps
1
MHz
â
μs
â
μs
12
μs
â
â¦
â
â¦
â
â¦
â
â¦
â
dB
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