
4.1.15 Digital to Analog Converter (VDAC)
DRIVESTRENGTH = 2 unless otherwise specified. Primary VDAC output.
Table 4.32. Digital to Analog Converter (VDAC)
Parameter
Symbol
Test Condition
Min
Typ
Max
Unit
Output voltage
V
DACOUT
Single-Ended
0
—
V
VREF
V
Differential
-V
VREF
—
V
VREF
V
Current consumption includ-
ing references (2 channels)
I
DAC
500 ksps, 12-bit, DRIVES-
TRENGTH = 2, REFSEL = 4
—
396
—
µA
44.1 ksps, 12-bit, DRIVES-
TRENGTH = 1, REFSEL = 4
—
72
—
µA
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
—
1.2
—
µA
Current from HFPERCLK
I
DAC_CLK
—
5.8
—
µA/MHz
Sample rate
SR
DAC
—
—
500
ksps
DAC clock frequency
f
DAC
—
—
1
MHz
Conversion time
t
DACCONV
f
DAC
= 1MHz
2
—
—
µs
Settling time
t
DACSETTLE
50% fs step settling to 5 LSB
—
2.5
—
µs
Startup time
t
DACSTARTUP
Enable to 90% fs output, settling
to 10 LSB
—
—
12
µs
Output impedance
R
OUT
DRIVESTRENGTH = 2, 0.4 V ≤
V
OUT
≤ V
OPA
- 0.4 V, -8 mA <
I
OUT
< 8 mA, Full supply range
—
2
—
Ω
DRIVESTRENGTH = 0 or 1, 0.4 V
≤ V
OUT
≤ V
OPA
- 0.4 V, -400 µA <
I
OUT
< 400 µA, Full supply range
—
2
—
Ω
DRIVESTRENGTH = 2, 0.1 V ≤
V
OUT
≤ V
OPA
- 0.1 V, -2 mA <
I
OUT
< 2 mA, Full supply range
—
2
—
Ω
DRIVESTRENGTH = 0 or 1, 0.1 V
≤ V
OUT
≤ V
OPA
- 0.1 V, -100 µA <
I
OUT
< 100 µA, Full supply range
—
2
—
Ω
PSRR
Vout = 50% fs. DC
—
65.5
—
dB
MGM13S Mighty Gecko SiP Module Data Sheet
Electrical Specifications
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