SI3015-F-FS Silicon Laboratories Inc, SI3015-F-FS Datasheet - Page 53

• Manufacturer Part Number: SI3015-F-FS
• Description: IC ISOMODEM LINE-SIDE 16SOIC
• Manufacturer: Silicon Laboratories Inc
• Type: Chipsetr

Specifications of SI3015-F-FS

• Package / Case: 16-SOIC (3.9mm Width)
• Data Format: V.90
• Interface: Serial
• Voltage - Supply: 3.3 V ~ 5 V
• Mounting Type: Surface Mount
• Product: Modem Chip
• Supply Voltage (min): 3 V
• Supply Current: 26 mA
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Baud Rates: -
• Lead Free Status / Rohs Status: Compliant

U79 GEN4
Name
15:5
Type
Bit
4:0
Bit
LVCS[4:0] Line Voltage Current Sense.
Reserved Read returns zero.
D15
Name
D14
Represents either the line voltage, loop current, or on-hook line monitor depending on the
state of the MODE, OFHK, and ONHM bits.
On-Hook Voltage Monitor (2.75 V/bit ±20%) (see Figure 6 on page 19).
00000
00001
11111
The line voltage monitor full scale may be modified by changing R5 as follows:
V
U69[2] (MODE) must be set to 1
MODE on page 46.
U69[2] (MODE) must be disabled (MODE
answer a call.
Off-Hook Loop Current Monitor (3 mA/bit) (see Figure 7 on page 19).
00000
00001
11110
11111 = Loop current is excessive (overload).
D13
MAX
=
=
=
=
=
=
=
V
D12
Maximum loop current.
Maximum line voltage (87 V ± 20%).
No line connected.
Minimum line voltage (V
No loop current.
Minimum loop current.
Overload > 140 mA in all modes except CTR21
Overload > 54 mA in CTR21 mode
MIN
+ 4.2 (10M + R5 + 1.6k)/(R5 +1.6k)/5
D11
D10
D9
Rev. 1.2
b
MIN
before reading LVCS while the Si2403 is on-hook. See
D8
=
3.0 V ± 0.5 V).
Function
D7
=
0
b
) before the Si2403 can go off-hook, dial, or
D6
D5
D4
D3
LVCS[4:0]
D2
R
Si2403
D1
D0
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