SI2404 SILABS [Silicon Laboratories], SI2404 Datasheet - Page 4

• Manufacturer Part Number: SI2404
• Description: V.90, V.34, V.32BIS, V.22BIS ISOMODEM WITH GLOBAL DAA
• Manufacturer: SILABS [Silicon Laboratories]

Table 1. Recommended Operating Conditions
Si2457/34/15/04
1. Electrical Specifications
4
Parameter
Ambient Temperature
Si2457/34/15/04 Supply Voltage,
Digital
Notes:
Table 2. Loop Characteristics
(V
Parameter
DC Termination Voltage
DC Termination Voltage
DC Termination Voltage
DC Termination Voltage
DC Termination Voltage
DC Termination Voltage
DC Termination Voltage
On-Hook Leakage Current
Operating Loop Current
Operating Loop Current
DC Ring Current
Ring Detect Voltage
Ring Detect Voltage
Ring Frequency
Ringer Equivalence Number
Notes:
D
1. The Si2457/34/15/04 specifications are guaranteed when the typical application circuit (including component tolerance)
2. All minimum and maximum specifications are guaranteed and apply across the recommended operating conditions.
3. The digital supply, V
=
1. ILIM = U67, bit 9; DCV = U67, bits 3:2; MINI = U67, bits 13:12; DCR = U67, bit 7; RT = U67, bit 0.
2. The ring signal is guaranteed to not be detected below the minimum. The ring signal is guaranteed to be detected
3
3.0 to 3.6 V, T
and any Si2457/34/15/04 and any Si3018 are used. See "2. Typical Application Schematic" on page 10.
Typical values apply at nominal supply voltages and an operating temperature of 25 °C unless otherwise stated.
supports 3.3 V logic only).
above the maximum.
1
A
=
2
2
0 to 70 °C for F-Grade)
D
, operates from 3.0 to 3.6 V. The Si2457/34/15/04 interface supports 5 V logic (CLKIN/XTALI
Symbol
REN
V
V
V
V
V
V
V
V
V
I
I
I
F
LK
LP
LP
RD
RD
TR
TR
TR
TR
TR
TR
TR
R
Symbol
V
T
DC current flowing through ring
DCV = 00, MINI = 11, DCR = 0
DCV = 00, MINI = 11, DCR = 0
DCV = 11, MINI = 00, DCR = 0
DCV = 11, MINI = 00, DCR = 0
DCV = 11, MINI = 00, DCR = 0
DCV = 11, MINI = 00, DCR = 0
DCV = 11, MINI = 00, DCR = 0
A
D
I
I
I
L
L
I
L
I
I
I
MINI = 00, ILIM = 0
MINI = 00, ILIM = 1
L
L
L
L
detection circuitry
= 120 mA, ILIM = 0
= 120 mA, ILIM = 0
= 20 mA, ILIM
Test Condition
= 20 mA, ILIM = 0
= 20 mA, ILIM = 1
= 60 mA, ILIM = 1
= 50 mA, ILIM = 1
Rev. 1.0
V
Test Condition
TR
RT = 0
RT = 1
= –48 V
F-Grade
1
= 0
Min
3.0
0
Min
40
10
10
12
18
15
—
—
—
—
—
—
—
9
9
2
Typ
3.3
25
Typ
1.5
15
21
—
—
—
—
—
—
—
—
—
—
—
—
Max
Max
120
6.0
7.5
7.5
0.2
3.6
70
—
—
—
40
60
18
25
68
5
3
2
V
V
Unit
mA
mA
Unit
µA
µA
Hz
RMS
RMS
V
V
V
V
V
V
V
°C
V