Datasheet

ManualsBrandsST ManualsEmbedded Processors & ControllersMicrocontroller 32bit 256KB LQFP
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Electrical characteristics STM32L476xx
196/270 DS10198 Rev 8
I
DDA
(VREF
BUF)
VREFBUF 
consumption 
from V
DDA
 
I
load
 = 0 µA - 16 25
µAI
load
 = 500 µA - 18 30
I
load 
= 4 mA - 35 50
1. Guaranteed by design, unless otherwise specified.
2. In degraded mode, the voltage reference buffer can not maintain accurately the output voltage which will follow (V
DDA
 - 
drop voltage).
3. Guaranteed by test in production.
4. The capacitive load must include a 100 nF capacitor in order to cut-off the high frequency noise.
5. To correctly control the VREFBUF inrush current during start-up phase and scaling change, the V
DDA
 voltage should be in 
the range [2.4 V to 3.6 V] and [2.8 V to 3.6 V] respectively for V
RS
 = 0 and V
RS
 = 1.
Table 84. VREFBUF characteristics
(1)
 (continued)
Symbol Parameter Conditions Min Typ Max Unit
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