SI3225-FQ Silicon Laboratories Inc, SI3225-FQ Datasheet - Page 36

• Manufacturer Part Number: SI3225-FQ
• Description: IC SLIC/CODEC DUAL-CH 64TQFP
• Manufacturer: Silicon Laboratories Inc
• Series: ProSLIC®r

Specifications of SI3225-FQ

• Package / Case: *
• Function: Subscriber Line Interface Concept (SLIC), CODEC
• Interface: GCI, PCM, SPI
• Number Of Circuits: 2
• Voltage - Supply: 3.3V, 5V
• Current - Supply: 65mA
• Power (watts): 941mW
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Includes: Battery Switching, BORSCHT Functions, DTMF Generation and Decoding, FSK Tone Generation, Modem and Fax Tone Detection
• Product: Telecom
• Supply Voltage (min): 3.13 V
• Supply Current: 22 mA
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Number Of Channels: 2
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Si3220/Si3225
36
Parameter
Loop Voltage Sense
(V
TIP Voltage Sense
RING Voltage Sense
Loop Current Sense
Battery Voltage Sense
Longitudinal Current
Sense
External Ringing Gen-
erator Voltage Sense
External Ringing Gen-
erator Current Sense
*Note: I
TIP
– V
R6*gain
approximately 500 µA.
LOOP
RBQ6
ITIPN
RING
Q10
and I
)
Q4
1.74k
LONG
Table 20. Register and RAM Locations Used for Loop Monitoring
Figure 18. Discrete Linefeed Circuit for Power Monitoring
are calculated values based on measured I
Q8
Register/RAM
Mnemonic
VRNGNG
IRNGNG
VLOOP
VRING
ILONG
ILOOP
VBAT
VTIP
ITIPP
Q1
Q6
R6
82.5
VRNGNG[15:0]
Register/RAM
IRNGNG[15:0]
TIP
VLOOP[15:0]
VRING[15:0]
ILOOP[15:0]
ILONG[15:0]
VBAT[15:0]
VTIP[15:0]
Bits
Rev. 1.0
RING
Q1
82.5
R7
64.07 to 160.173 V
64.07 to 160.173 V
64.07 to 160.173 V
–I
Q2
Q5
Q4
0 to 101.09 mA
0 to 101.09 mA
Measurement
0 to 160.173 V
0 to 64.07 V
0 to 64.07 V
0 to 64.07 V
IRINGP
0 to 63.3 V
662.83 mA
currents. The resulting effective resolution is
332.04 V
Range
Q7
10.172 mV
LSB Size
4.907 mV
4.907 mV
4.907 mV
4.907 mV
3.097 µ A
3.097 µ A
20.3 µ A
1.74k
Q3
Q9
IRINGN
RBQ5
R7*gain
Resolution
Effective
500 µ A*
500 µ A*
251 mV
628 mV
251 mV
628 mV
251 mV
628 mV
251 mV
628 mV
1.302 V
2.6 mA
VBAT