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SI3016-KS 数据表(PDF) 11 Page - Texas Instruments |
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SI3016-KS 数据表(HTML) 11 Page - Texas Instruments |
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11 / 87 page  TMS320C54V90 EMBEDDED V.90 MODEM DSP SPRS165F − JULY 2001 − REVISED OCTOBER 2003 11 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443 pin descriptions: Si3016 1 2 3 4 5 6 7 8 9 10 11 12 13 16 15 14 FILT2 FILT RX REXT REXT2 REF VREG2 VREG QE QB RNG2 RNG1 C1B QE2 DCT IGND Table 1. Si3016 Pin Descriptions PIN # PIN NAME DESCRIPTION 1 QE2 TRANSISTOR EMITTER 2. Connects to the emitter of Q4. 2 DCT DC TERMINATION. Provides DC termination to the telephone network. 3 IGND ISOLATED GROUND. Connects to ground on the line-side interface. Also connects to capacitor C2. 4 C1B ISOLATION CAPACITOR 1B. Connects to one side of isolation capacitor C1. Used to communicate with the system-side module. 5 RNG1 RING 1. Connects through a capacitor to the TIP lead of the telephone line. Provides the ring and caller ID signals to the Si3016. 6 RNG2 RING 2. Connects through a capacitor to the RING lead of the telephone line. Provides the ring and caller ID signals to the Si3016. 7 QB TRANSISTOR BASE. Connects to the base of transistor Q3. Used to go on/off-hook. 8 QE TRANSISTOR EMITTER. Connects to the emitter of transistor Q3. Used to go on/off-hook. 9 VREG Voltage Regulator. Connects to an external capacitor to provide bypassing for an internal power supply. 10 VREG2 Voltage Regulator 2. Connects to an external capacitor to provide bypassing for an internal power supply. 11 REF REFERENCE. Connects to an external resistor to provide a high accuracy reference current. 12 REXT2 EXTERNAL RESISTOR 2. Sets the complex AC termination impedance. 13 REXT EXTERNAL RESISTOR. Sets the real AC termination impedance. 14 RX RECEIVE INPUT. Serves as the receive side input from the telephone network. 15 FILT FILTER. Provides filtering for the DC termination circuits. 16 FILT2 FILTER 2. Provides filtering for the bias circuits. |
类似零件编号 - SI3016-KS |
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类似说明 - SI3016-KS |
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