|
If you can't view the Datasheet, Please click here to try to view without PDF Reader . |
|
Datasheet File OCR Text: |
rev. 1.0 9/05 copyright ? 2005 by silicon laboratories si3066 si3066 v.32 fcc+ e mbedded d irect a ccess a rrangement features applications description the si3066 is an integrated direct access arrangement (daa) for use with an integrated daa system-side module. it includes a v.32 quality codec, dc termination, ac termination, and an integrated hybrid, eliminating the need for an analog front end (afe), isolation transformer, relays, optoisolator, and a 2- to 4-wire hybrid. it interfaces directly to the integrated system-side module and features silicon laboratories? patented isolation technology. the si3066 dramatically reduces the board space, component count, and cost required to implement a daa compliant with the regulatory requirements of 49 different ptts including fcc, jate, china, and korea. functional block diagram ? supports up to v.32 modem speeds ? compliant with 49 ptts, including fcc, jate, china, and korea ? integrated analog front end (afe) and 2- to 4-wire hybrid ? integrated ring detector ? pulse dialing support ? patented >6000 v isolation technology ? proprietary isolation capacitor interface to integrated daa module ? line voltage monitor ? loop current monitor ? caller id support ? lead-free and rohs-compliant 8-pin esoic package ? v.32 modems ? digital televisions ? set-top boxes ? fax machines ? epos terminals ? multi-function printers ? vending machines isolation interface hybrid and dc termination ring detect off-hook si3066 qe qb cid ignd vreg dct rx silicon laboratories embedded system-side daa module c1b c2b bom tip ring us patent # 5,870,046 us patent # 6,061,009 other patents pending ordering information see page 36. pin assignments si3066 ignd c1b c2b cid rx dct qb 8 1 7 2 6 3 5 4 si3066 qe 9 vreg
si3066 rev. 1.0 2 rev. 1.0 3 si3066 t able of c ontents section page 1. electrical specificat ions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 2. typical application schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8 3. bill of materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 4. telephone line interface functional de scription . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 4.1. initialization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10 4.2. isolation barrier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10 4.3. parallel handset detecti on . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 4.4. loop current sensing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 4.5. line voltage sensing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 4.6. off-hook . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 4.7. dc termination . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 4.8. transhybrid balance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14 4.9. ring detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 4.10. ring validation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 4 4.11. ringer impedance and threshold . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 4.12. dtmf dialing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 4.13. pulse dialing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 4.14. receive overload . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 4.15. on-hook line m onitor mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15 4.16. caller id . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 4.17. gain control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 4.18. sample rate converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 4.19. power management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 4.20. calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16 4.21. revision identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 5. register summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 6. pin descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 7. ordering guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 8. package outline: 8-pin exposed pad so ic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37 contact information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40 si3066 4 rev. 1.0 1. electrical specifications figure 1. test circuit for loop characteristics table 1. recommended operating conditions parameter * symbol test condition min typ max unit ambient temperature t a f-grade 0 25 70 c *note: all minimum and maximum specifications are guaranteed and apply across the recommended operating conditions. typical values apply at nominal supply voltages and an operating temperature of 25 c unless otherwise stated. table 2. daa loop characteristics (v d = 3.0 to 3.6 v, t a = 0 to 70 c, see figure 1) parameter symbol test condition min typ max unit dc termination voltage v tr i l =20ma ? ? 7.5 v dc termination voltage v tr i l =120ma 9 ? ? v on-hook leakage current i lk v tr = ?100 v ? ? 12 a operating loop current i lp 15 ? 120 ma dc ring current dc curr ent flowing through ring detection circuitry ?1.5 3 a ring detect voltage * v rd 10 15 35 v rms ring frequency f r 15 ? 68 hz ringer equivalence number ren ? ? 0.2 *note: the ring signal is guaranteed to not be detected below the minimum. the ring signal is guaranteed to be detected above the maximum. tip ring + ? si3066 v tr 600 ? 10 f i l si3066 rev. 1.0 5 table 3. daa ac characteristics (t a = 0 to 70 c, fs = 8 khz) parameter symbol test condition min typ max unit sample rate fs 7.2 ? 16 khz receive frequency response low ?3 dbfs corner ? 5 ? hz transmit full scale level 1 v fs ?1 dbm ? 0.98 ? v peak receive full scale level 1,2 v fs ?1 dbm ? 0.98 ? v peak dynamic range 3,4,5 dr i l =100ma ? 70 ? db dynamic range 3,4,5 dr i l =20ma ? 70 ? db transmit total harmonic distortion 5,6 thd i l =20ma ? 65 ? db receive total harmonic distortion 5,6 thd i l =20ma ? 68 ? db dynamic range (caller id mode) 7 dr cid v in = 1 khz, ?13 dbm ? 50 ? db caller id full scale level v cid ?6? v pp notes: 1. measured at tip and ring with 600 ? . termination at 1 khz, as shown in figure 1. 2. receive full scale level produces ?0.9 dbfs. 3. dr = 20 x log (rms v fs /rms v in )+ 20 x log (rms v in /rms noise, excluding harmonics). v fs is the ?1 dbm full-scale level. 4. measurement is 300 to 3400 hz. applies to both transmit and receive paths. 5. v in = 1 khz, ?3 dbfs 6. thd = 20 x log (rms distortion / rms signal). 7. dr cid = 20 x log (rms v cid /rms v in )+ 20 x log (rms v in /rms noise). v cid is the 6 v full-scale level. si3066 6 rev. 1.0 table 4. digital fir filter characteristics?transmit and receive (sample rate = 8 khz, t a = 0 to 70 c) parameter symbol min typ max unit passband (0.1 db) f (0.1 db) 0?3.3khz passband (3 db) f (3 db) 0?3.6khz passband ripple peak-to-peak ?0.1 ? 0.1 db stopband ? 4.4 ? khz stopband attenuation ?74 ? ? db group delay t gd ? 12/fs ? s note: typical fir filter characteristics for fs = 8000 hz are shown in figures 2, 3, 4, and 5. si3066 rev. 1.0 7 figure 2. fir receive filter response figure 3. fir receive filter passband ripple figure 4. fir transmit filter response figure 5. fir transmit filter passband ripple for figures 2?5, all filter plots apply to a sample rate of fs = 8 khz. the filters scale with the sample rate as follows: f (0.1 db) = 0.4125 fs f (?3 db) =0.45fs where fs is the sample frequency. input frequency?hz attenuation?db input frequency?hz attenuation?db attenuation?db input frequency?hz input frequency?hz attenuation?db si3066 8 rev. 1.0 2. typical application schematic 5 , 1 * 7 , 3 & |