SI2400-FS Silicon Laboratories Inc, SI2400-FS Datasheet - Page 5

• Manufacturer Part Number: SI2400-FS
• Description: 2400 BPS ISOMODEM EM SYSTEM-SIDE
• Manufacturer: Silicon Laboratories Inc
• Type: Chipsetr

Specifications of SI2400-FS

• Package / Case: 16-SOIC (3.9mm Width)
• Data Format: V.21, V.22, V.23, Bell 103, Bell 212A
• Baud Rates: 2.4k
• Interface: UART
• Voltage - Supply: 3 V ~ 5.25 V
• Mounting Type: Surface Mount
• Product: Modem Module
• Supply Voltage (min): 3 V
• Supply Current: 28 mA
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 336-1166 - BOARD EVAL FOR SI2400 ISOMODEM
• Lead Free Status / Rohs Status: Supplier Unconfirmed

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
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
= 3.0 to 5.25 V, T
1. SF[4] (ACT); SF5[3:2] (DCT); SF5[0] (RT).
2. R25 and R26 installed.
3. The ring signal is guaranteed to not be detected below the minimum. The ring signal is guaranteed to be detected
4. The Si2400 ring detector can be programmed to detect rings between this range.
5. C15, R14, Z2, and Z3 not installed. SF5[1] (RZ) = 0
above the maximum.
4
2
A
3
3
= 0 to 70°C for K-Grade and –40 to 85°C for B-Grade, See Figure 1)
2
5
Symbol
REN
V
V
V
V
V
V
V
V
V
V
V
I
I
I
F
LK
LP
LP
TR
TR
TR
TR
TR
TR
TR
TR
TR
RD
RD
R
I
I
I
through ring detection
I
I
I
I
L
I
L
I
L
L
L
L
L
L
L
DCT = 11
DCT = 11
DCT = 11
DCT = 11
DCT = 01
DCT = 01
FCC/Japan Modes
DC current flowing
= 100 mA, ACT = 0
= 100 mA, ACT = 0
= 20 mA, ACT
DCT = 10
DCT = 10
Rev. 1.3
= 42 mA, ACT = 1
= 50 mA, ACT = 1
= 60 mA, ACT = 1
= 20 mA, ACT = 0
= 20 mA, ACT = 0
= 15 mA, ACT = 0
b
Test Condition
. See "Ringer Impedance" on page 80.
(Low Voltage)
CTR21 Mode
V
DCT = 00
TR
circuitry
RT = 0
RT = 1
= –48V
b
b
b
b
b
b
b
b
(CTR21)
(CTR21)
(CTR21)
(CTR21)
(Japan)
(Japan)
(FCC)
(FCC)
b
b
b
1
= 1
b
b
b
b
b
b
b
b
b
Min
13
—
—
—
40
—
—
—
—
13
—
11
17
15
—
9
9
Typ
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Max
14.5
120
7.5
6.0
7.5
5.2
0.2
40
60
22
33
68
—
—
—
7
7
Si2400
V
V
Unit
mA
mA
µA
µA
Hz
RMS
RMS
V
V
V
V
V
V
V
V
V
5