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AS8221 Datasheet PDF : 42 Pages
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AS8221
Datasheet - Electrical Characteristics
6 Electrical Characteristics
Tvj = -40 to +150 ºC, VCC= +4.75V to +5.25V, VBAT= 5.5V to +50V, VIO = +2.2 to VCC, RL= 45, CL= 100 pF, unless otherwise specified.
Table 3. Electrical Characteristics
Symbol
Parameter
Conditions
Min
Typ
Max Units
Supply Voltage
TAMB
Ambient temperature
-40
+25 +125
ºC
VCC-VIO
Difference of supplies
-0.1
3.05
V
VBAT=12V; low-power modes
Tvj < 125ºC
0
26
50
µA
(see footnote 1)
IBAT
VBAT current consumption
VBAT=12V; low-power modes
Tvj < 150ºC
0
100
µA
Non-low-power modes
0
0.15
1
mA
Low-power Modes
VCC = 0V to +5.25V
(see footnote 1)
-5
8
20
µA
ICC
VCC current consumption
Non-low-power modes: NORMAL,
driver enabled;
0
29
45
mA
Non-low-power modes: NORMAL,
driver enabled; RBUS =
0
7
15
mA
Non-low-power modes:
RECEIVE-ONLY
0
2.0
10
mA
IIO
State Transitions
tSTBN_RxD
tSTBN_RxEN
tSLEEP_INH1
tSTANDBY_INH2
tSLEEP
Transmitter
VBUS_DIFF_D0
VBUS_DIFF_D1
VBUS_DIFF
VBUS_COM_D0
VBUS_COM_D1
VIO current consumption
Low-power modes
VIO = 0V to +5.25V
Non-low power modes
Delay STBN high to RxD high
with wake flag set
Delay STBN high to RxEN high
with wake flag set
Delay STBN high to INH1 high
Delay STBN high to INH2 high
GO-TO-SLEEP hold time
INH1 high = 80% VBAT
INH2 high = 80% VBAT
INH1 low = 20% VBAT
Differential bus voltage low in
NORMAL mode (Data0)
Differential bus voltage high in
NORMAL mode (Data1)
Matching between Data0 and
Data1 differential bus voltage in
NORMAL mode
Common mode bus voltage in
case of Data0 in non-low-power
modes
Common mode bus voltage in
case of Data1 in non-low-power
modes
VBPdata0 - VBMdata0;
40 RL 55
VBPdata1 - VBMdata1;
40 RL 55
VBUS_DIFF_D0 - VBUS_DIFF_D1
40 RL 55
VBPdata0/2 + VBMdata0/2
40 RL 55
VBPdata1/2 + VBMdata1/2
40 RL 55
-5
1
5
µA
0
15
1000
µA
1
9
50
µs
1
9
50
µs
1
11
50
µs
1
11
50
µs
10
26
70
µs
-2
-1
-0.6
V
0.6
1
2
V
-200
0
200
mV
0.4 * 0.5 * 0.6 *
VCC
VCC
VCC
V
0.4 * 0.5 * 0.6 *
VCC
VCC
VCC
V
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Revision 1.7
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