ATA8742 ATMEL Corporation, ATA8742 Datasheet - Page 198
ATA8742
Manufacturer Part Number
ATA8742
Description
Manufacturer
ATMEL Corporation
Datasheet
1.ATA8742.pdf
(238 pages)
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29.4
Table 29-4.
Notes:
29.5
Table 29-6.
198
Symbol
TUE
Symbol
V
V
t
V
RAM
t
I
HYST
BOD
BG
BG
BG
System and Reset Characterizations
1. Values are guidelines only.
2. This is the limit to which VDD can be lowered without losing RAM data
ADC Characteristics – Preliminary Data
2.
ATA8742
Parameter
Resolution
Absolute accuracy (Including
INL, DNL, quantization error,
gain and offset error)
Reset, Brown-out and Internal Voltage Reference Characteristics
ADC Characteristics, Single Ended Channels. -40°C - 125°C
Parameter
Brown-out Detector Hysteresis
RAM Retention Voltage
Min Pulse Width on Brown-out Reset
Bandgap reference voltage
Bandgap reference start-up time
Bandgap reference current consumption
Table 29-5.
Note:
BODLEVEL [2..0] Fuses
1. V
(1)
this is the case, the device is tested down to V
antees that a Brown-out Reset will occur before V
operation of the microcontroller is no longer guaranteed.
BOT
BODLEVEL Fuse Coding
Single Ended Conversion
Single Ended Conversion
V
ADC clock = 200 kHz
Single Ended Conversion
V
ADC clock = 200 kHz
Noise Reduction Mode
may be below nominal minimum operating voltage for some devices. For devices where
111
110
101
100
011
010
001
000
REF
REF
= 4V, V
= 4V, V
Condition
CC
CC
= 4V,
= 4V,
V
V
V
C C
C C
C C
= 2.7V, T
= 2.7V, T
= 2.7V, T
Condition
Min V
(1)
BOT
A
A
A
Min
= 25°C
= 25°C
= 25°C
(1)
CC
= V
Typ V
CC
1.8
2.7
4.3
2.3
2.2
1.9
2.0
BOT
drops to a voltage where correct
Min
BOD Disabled
1.0
50
Typ
2.0
2.0
10
BOT
during the production test. This guar-
Typ
100
1.1
40
10
2
Max V
Max
4.0
4.0
BOT
Max
250
mV
1.2
70
9151A–INDCO–07/09
Units
LSB
LSB
Bits
Units
Units
mV
µA
ns
µs
V
V
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