SI1062-A-GM Datasheet, PDF (62/358 Pages) Silicon Laboratories – MCU with Integrated 240–960 MHz EZRadioPRO® Transceiver

Si106x/108x
Table 4.11. Voltage Reference Electrical Characteristics
V_DD = 1.8 to 3.6 V, –40 to +85 °C unless otherwise specified.
Parameter
Test Condition
Min
Internal High-Speed Reference (REFSL[1:0] = 11)
Output Voltage
VREF Turn-on Time*
–40 to +85 °C,
V_DD = 1.8–3.6 V
1.60
—
Supply Current
—
Internal Precision Reference (REFSL[1:0] = 00, REFOE = 1)
Output Voltage
VREF Short-Circuit Current
–40 to +85 °C,
V_DD = 1.8–3.6 V
Load Regulation
Load = 0 to 200 µA to AGND
VREF Turn-on Time 1
VREF Turn-on Time 2
VREF Turn-on Time 3
4.7 µF tantalum, 0.1 µF ceramic
bypass, settling to 0.5 LSB
0.1 µF ceramic bypass, settling to
0.5 LSB
no bypass cap, settling to 0.5 LSB
Supply Current
1.645
—
—
—
—
—
—
External Reference (REFSL[1:0] = 00, REFOE = 0)
Input Voltage Range
0
Input Current
Sample Rate = 300 ksps; VREF = _—
3.0 V
*Note: Guaranteed by characterization.
Typ
1.65
—
200
1.680
3.5
400
15
300
25
15
—
5.25
Max
1.70
1.7
—
1.715
—
—
—
—
—
—
V_DD
—
Unit
V
µs
µA
V
mA
µV/µA
ms
µs
µs
µA
V
µA
Rev. 1.0
62