SI3050-E-FT Silicon Laboratories Inc, SI3050-E-FT Datasheet - Page 81

• Manufacturer Part Number: SI3050-E-FT
• Description: IC VOICE DAA GCI/PCM/SPI 20TSSOP
• Manufacturer: Silicon Laboratories Inc

Specifications of SI3050-E-FT

• Package / Case: 20-TSSOP (0.173", 4.40mm Width)
• Includes: Line Voltage Monitor, Loop Current Monitor, Overload Detection, Parallel Handset Detection, Polarity Reversal Detection, TIP and
• Function: Data Access Arrangement (DAA)
• Interface: PCM, Serial, SPI
• Number Of Circuits: 1
• Voltage - Supply: 3 V ~ 3.6 V
• Current - Supply: 8.5mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Product: RF / Wireless
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 3 V
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Operating Supply Voltage: 3.3 V
• Supply Current: 8.5 mA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power (watts): -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

Register 30. AC Termination Control
Reset settings = 0000_0000
Bit
7:6
3:0
5
4
Name
Type
Bit
ACIM[3:0] AC Impedance Selection.
Reserved Read returns zero.
Reserved This bit may be written to a zero or one.
FULL2
Name
D7
Enhanced Full Scale (2x) Transmit and Receive Mode.
0 = Default
1 = Transmit/Receive 2x Full Scale
This bit changes the full scale of the ADC and DAC from 0 min to +6 dBm into 600  load (or
1.5 dBV into all reference impedances). When this bit is set, the DCV[1:0] bits (Register 26)
should be set to all 1s to avoid distortion at low loop currents.
The off-hook ac termination is selected from the following:
0000 = 600 
0001 = 900 
0010 = 270  + (750  || 150 nF) and 275  + (780  || 150 nF)
0011 = 220  + (820  || 120 nF) and 220  + (820  || 115 nF)
0100 = 370  + (620  || 310 nF)
0101 = 320  + (1050  || 230 nF)
0110 = 370  + (820  || 110 nF)
0111 = 275  + (780  || 115 nF)
1000= 120  + (820  || 110 nF)
1001 = 350  + (1000  || 210 nF)
1010 = 200  + (680  || 100 nF)
1011 = 600  + 2.16 µF
1100 = 900  + 1 µF
1101 = 900  + 2.16 µF
1110 = 600  + 1 µF
1111 = Global impedance
D6
D5
Rev. 1.31
FULL2
R/W
D4
Function
D3
Si3050 + Si3018/19
D2
ACIM[3:0]
R/W
D1
D0
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