SI3225-G-GQ Silicon Laboratories Inc, SI3225-G-GQ Datasheet - Page 38

• Manufacturer Part Number: SI3225-G-GQ
• Description: IC PROSLIC/CODEC DUAL 64TQFP
• Manufacturer: Silicon Laboratories Inc
• Series: ProSLIC®r

Specifications of SI3225-G-GQ

• 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: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 64-TQFP, 64-VQFP
• Includes: Battery Switching, BORSCHT Functions, DTMF Generation and Decoding, FSK Tone Generation, Modem and Fax Tone Detection
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Si3220/25 Si3200/02
38
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
approximately 500 µA.
R6*gain
LOOP
RBQ6
RING
ITIPN
Q10
and I
)
Q4
1.74k
LONG
Table 21. 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
82.5
R6
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. 1.3
RING
Q1
82.5
R7
Q2
Q5
64.07 to 160.173 V
64.07 to 160.173 V
64.07 to 160.173 V
–I
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 µA
3.097 µA
1.74k
20.3 µA
Q3
Q9
IRINGN
RBQ5
R7*gain
Resolution
Effective
500 µ A*
500 µA*
251 mV
628 mV
251 mV
628 mV
251 mV
628 mV
251 mV
628 mV
1.302 V
2.6 mA
VBAT