EFR32BG12P232F Datasheet, PDF (88/181 Pages) Silicon Laboratories – EFR32BG12 Blue Gecko Bluetooth ®Low Energy SoC Family Data Sheet

EFR32BG12 Blue Gecko Bluetooth ^®Low Energy 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
V_DACOUT
Current consumption includ- I_DAC
ing references (2 channels)¹
Current from HFPERCLK⁴
Sample rate
DAC clock frequency
Conversion time
Settling time
Startup time
I_{DAC_CLK}
SR_DAC
f_DAC
t_DACCONV
t_DACSETTLE
t_DACSTARTUP
Output impedance
R_OUT
Power supply rejection ratio^{6 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
f_DAC = 1MHz
50% fs step settling to 5 LSB
Enable to 90% fs output, settling
to 10 LSB
DRIVESTRENGTH = 2, 0.4 V ≤
V_OUT ≤ V_OPA - 0.4 V, -8 mA <
I_OUT < 8 mA, Full supply range
DRIVESTRENGTH = 0 or 1, 0.4 V
≤ V_OUT ≤ V_OPA - 0.4 V, -400 μA <
I_OUT < 400 μA, Full supply range
DRIVESTRENGTH = 2, 0.1 V ≤
V_OUT ≤ V_OPA - 0.1 V, -2 mA <
I_OUT < 2 mA, Full supply range
DRIVESTRENGTH = 0 or 1, 0.1 V
≤ V_OUT ≤ V_OPA - 0.1 V, -100 μA <
I_OUT < 100 μA, Full supply range
Vout = 50% fs. DC
Min
0
-V_VREF
—
—
—
—
—
—
2
—
—
—
—
—
—
—
Typ
—
—
396
72
1.2
5.8
—
—
—
2.5
—
2
2
2
2
65.5
Max
V_VREF
V_VREF
—
—
—
Unit
V
V
μA
μA
μA
—
μA/MHz
500
ksps
1
MHz
—
μs
—
μs
12
μs
—
Ω
—
Ω
—
Ω
—
Ω
—
dB
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