SI3019-F-FM Silicon Laboratories Inc, SI3019-F-FM Datasheet - Page 32

• Manufacturer Part Number: SI3019-F-FM
• Description: IC VOICE DAA GCI/PCM/SPI 20-QFN
• Manufacturer: Silicon Laboratories Inc
• Series: -r

Specifications of SI3019-F-FM

• Function: Data Access Arrangement (DAA)
• Interface: GCI, PCM, SPI
• Number Of Circuits: 1
• Voltage - Supply: 3 V ~ 3.6 V
• Current - Supply: 8.5mA
• Power (watts): *
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 20-VFQFN Exposed Pad
• Includes: *
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Si3050 + Si3011/18/19
The
impedances when used with the Si3050. The ACIM[3:0]
bits in Register 30 are used to select the ac impedance
setting on the Si3019. The sixteen available settings for
the Si3019 are listed in Table 18.
The most widely used ac terminations are available as
register
requirements. The real 600  impedance satisfies the
requirements of FCC Part 68, JATE, and other country
requirements. The 270  + (750  || 150 nF) satisfies
the requirements of TBR21.
There
non-standard
350  + (1000  || 210 nF) impedance selection in
Register 30 is the ANSI/EIA/TIA 464 compromise
impedance network for trunks. The last ac termination
selection, ACIM[3:0] = 1111, is designed to satisfy
minimum return loss requirements for every country that
requires a complex termination. By selecting this
setting, the system is ensured to meet minimum PTT
requirements.
For each of the sixteen ac termination settings, the
programmable digital hybrid can be used to further
reduce near-end echo. See "5.28. Transhybrid Balance"
on page 38 for details.
32
ACIM[3:0]
Table 17. AC Termination Settings for the
0000
0011
0100
1111
Si3019
are
options
600 
220  + (820  || 120 nF) and 220  +
(820  || 115 nF)
370  + (620  || 310 nF)
Global complex impedance
Si3018 Line-Side Device
two
ac
provides
to
selections
termination
satisfy
AC Termination
sixteen
useful
various
requirements.
ac
for
global
termination
satisfying
PTT
The
Rev. 1.4
ACIM[3:0]
Table 18. AC Termination Settings for the
0000
0001
0010
0100
0101
1000
1001
1010
0011
0110
1011
1100
1101
0111
1110
1111
Si3019 Line-Side Device
600 
900 
270  + (750  || 150 nF) and
275  + (780  || 150 nF)
220  + (820  || 120 nF) and 220 
+ (820  || 115 nF)
370  + (620  || 310 nF)
320  + (1050  || 230 nF)
370  + (820  || 110 nF)
275  + (780  || 115 nF)
120  + (820  || 110 nF)
350  + (1000  || 210 nF)
200  + (680  || 100 nF)
600  + 2.16 µF
900  + 1 µF
900  + 2.16 µF
600  + 1 µF
Global complex impedance
AC Termination