|
C8051F330-GMR Datasheet, PDF (60/210 Pages) Silicon Laboratories – Mixed-Signal ISP Flash MCU | |||
|
◁ |
C8051F330/1/2/3/4/5
Table 7.1. Voltage Reference Electrical Characteristics
VDD = 3.0 V; â40 to +85 °C unless otherwise specified.
Parameter
Conditions
Min Typ Max
Internal Reference (REFBE = 1)
Output Voltage
25 °C ambient
2.38 2.44 2.50
Units
V
VREF Short-Circuit Current
VREF Temperature ï
Coefficient
Load Regulation
Load = 0 to 200 µA to AGND
VREF Turn-on Time 1
4.7 µF tantalum, 0.1 µF ceramic
bypass
VREF Turn-on Time 2
0.1 µF ceramic bypass
â
â
10
mA
â 15 â ppm/°C
â 0.5 â ppm/µA
â
2
â
ms
â 20 â
µs
VREF Turn-on Time 3
no bypass cap
â 10 â
µs
Power Supply Rejection
â 140 â
ppm/V
External Reference (REFBE = 0)
Input Voltage Range
Input Current
ADC Bias Generator
Reference Bias Generator
Sample Rate = 200 ksps; VREF =
3.0 V
Power Specifications
BIASE = â1â or AD0EN = â1â or
IOSCEN = â1â
REFBE = â1â or TEMPE = â1â or
IDA0EN = â1â
0
â
VDD
V
â 12 â
µA
â 100 â
µA
â 40 â
µA
Rev. 1.7
63
|
▷ |