Si3230
Table 8. Power Supply Characteristics (Continued)
(V
DDA
,V
DDD
= 3.13 V to 5.25 V, T
A
= 0 to 70°C for K-Grade, –40 to 85°C for B-Grade)
Parameter
V
BAT
Supply Current
3
Symbol
I
BAT
Test Condition
Sleep (RESET = 0)
Open (DCOF = 1)
Active on-hook
V
OC
= 48 V, ETBO = 4 mA
Active OHT
ETBO = 4 mA
Active off-hook
ETBA = 4 mA, I
LIM
= 20 mA
Ground-start
Ringing
V
PK_RING
= 56 V
PK
,
sinewave ringing, REN = 1
Typ
1
—
—
—
—
—
—
—
Typ
2
0
0
3
11
30
2
5.5
Max
—
—
—
—
—
—
—
Unit
mA
mA
mA
mA
mA
mA
mA
Notes:
1.
V
DDD
, V
DDA
= 3.3 V.
2.
V
DDD
, V
DDA
= 5.25 V.
3.
I
BAT
= current from V
BAT
(the large negative supply). For a switched-mode power supply regulator efficiency of 71%,
the user can calculate the regulator current consumption as I
BAT
V
BAT
/(0.71 V
DC
).
Table 9. Switching Characteristics—General Inputs
V
DDA
= V
DDA
= 3.13 to 5.25 V, T
A
= 0 to 70°C for K-Grade, –40 to 85°C for B-Grade, C
L
= 20 pF)
Parameter
Rise Time, RESET
RESET Pulse Width
Symbol
t
r
t
rl
Min
—
100
Typ
—
—
Max
20
—
Unit
ns
ns
Note:
All timing (except Rise and Fall time) is referenced to the 50% level of the waveform. Input test levels are V
IH
= V
D
–
0.4 V, V
IL
= 0.4 V. Rise and Fall times are referenced to the 20% and 80% levels of the waveform.
10
Preliminary Rev. 0.96
SILABS [ SILICON LABORATORIES ]
