U3810BM TEMIC Semiconductors, U3810BM Datasheet
U3810BM
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U3810BM Summary of contents
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... TELEFUNKEN Semiconductors Multi Standard Feature Phone Integrated Circuit Description The U3810BM multi-standard feature phone circuit is designed to be used with a microcontroller using a 2-wire serial bus. It performs all speech and line interface functions required in an electronic telephone set: the ringing function with switching regulator and melody ...
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... U3810BM Features D Slope of DC characteristics adjustable by an external resistor D Gain of transmit and receive amplifiers automatically adjusted by line length control D Regulation range adjustable by the serial bus D Possibility of fixed gain (PABX) D Sidetone balancing system adjustable with line length or by the serial bus D Dynamic ...
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... TELEFUNKEN Semiconductors Block diagram Rev. A1: 19.01.1996 U3810BM Figure 2 94 9329 3 (31) ...
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... U3810BM TAD IOS COS IMPA ISQ ANTI– SQUELCH DISTORTION TAL ANTI– LARSEN VDD IAL VCC VL 9 SAI 3 SAIX NEA0,1,2 EA VSA SO1 SO2 GND RREF AGA/ SIDETONE– BALANCING AR0,1 AT0,1 BAL0,1,2 IAGC IBAL CEI RDC AGA MICX signal path (analog) ...
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... TELEFUNKEN Semiconductors * Rev. A1: 19.01.1996 Figure 4 Application for feature phone U3810BM 94 9331 5 (31) ...
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... U3810BM Typical value of external components Components Min. Typ RIN 0 CSC 0.1 F TSC 2N5401A LSC 1 mH DSC SD103A W RAD 100 k CAD 470 nF CAL 470 nF W RAL CVDD 470 F W RSAI CSAI 0 CVSA 220 F m CSO CVCC 100 F W RAGA1 100 k ...
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... As a result of this connection there is a bigger output power in reference to low line currents and loudspeakers with low impedance, while the differential connection method results in a higher power output and lower harmonic distortion with medium or high line currents and/or loudspeaker impedances Rev. A1: 19.01.1996 U3810BM Function ZIN = RIN/100 7 (31) ...
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... U3810BM Pin description Pin Symbol 16 GND Ground. 17 RREF External reference resistor. Connection for external reference resistor to generate the reference current. All basic currents of the circuit which must satisfy certain absolute accuracy requirements depend on this current. 18 CEI Capacitor for electronic inductance. Connection for capacitor of the electronic coil. ...
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... THA is converted to a rectangular– pulse signal and is sent via pin 43 to the microprocessor. If the frequency is in the required range, the microprocessor initiates transmission of the ringing signal. The start threshold can be raised with a resistor connected in series to pin 44. Rev. A1: 19.01.1996 U3810BM Function 9 (31) ...
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... U3810BM Absolute maximum ratings Parameters DC calling voltage (pin 2) DC calling current (pin 2) Conversation line voltage (pin 10) Conversation line current Total power dissipation *) Operating temperature range Storage temperature range Junction temperature Thermal resistance Parameters Junction ambient *) Electrical characteristics mA kHz amb 7894 e Figure 5 Resonance factor Q = 3100 ...
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... Bit Bit (MIS = rms (MIS = 0) 60 rms (MIS = 0) 70 rms (MIS = 1) 35 rms – operational only on MIC1/MIC2 rms 0 0 –200 + 10 dB rms U3810BM Typ. Max. Unit Fig. 48.0 49.0 dB 41.0 42 44.0 45.0 dB 37.0 38.2 dB 1.0 1 44.0 45.5 0.0 0 0.0 0.5 4 ...
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... U3810BM Parameters Delta output voltage swing TX2 TX1 TX0 AT1 = AT0 = MIC Line distortion TX6 TX2 TX1 TX0 W (on 600 ) Squelch function CAL = 470 nF, RAL = 68 k Dynamic range attenuation (note 2) D Squelch inhibition (tested on GT MIC MIC At maximum gain 68k 470nF ...
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... AR1 AR0 rms 28mA and 60mA rms L Bit RX6 = 1 5.6 rms Bit IR=1 Bit IE1 = IE2 = 1 Bit IR rms = 50 mV 800 rms U3810BM 94 7895 Typ. Max. Unit Fig. 4.5 5 – 2.5 – 1.3 dB 15.0 16 1.0 1 – 3 – ...
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... 19.5 rms and 60 mA 520 rms TAD RESET 7 CO TAL 8 VDD LVIO 9 VCC SAI MF U3810BM 12 SAIX STS 13 VSA RECI 14 SO1 STL 15 SO2 RECOX 16 GND RECO1 RREF RECO2 17 CEI TACL Figure 7 Test circuit TELEFUNKEN Semiconductors Typ. Max. Unit Fig. +600 ...
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... load asym 100 load sym. 19 load asym 100 load sym. 140 – 200 and CAL = 470 nF, RAL = and VSAI = 6 mV rms Bit ISQ = 0 BIT ISQ = 1 23 U3810BM Typ. Max. Unit Fig. 8 4.3 4.6 V 8 4 4.0 % 1 ...
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... This signal is the result of the sum of two frequency pulse modulations and requires an external filter to compose a dual sine wave. The frequencies are chosen in a low group and a high group. 16 (31 TAD 7 TAL 8 VDD 470uF 9 VCC SAI S2 U3810BM 12 SAIX 13 VSA 14 SO1 VSO 15 SO2 16 GND RREF 17 CEI ...
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... Hz 697.85 0.12 771.18 0.15 852.06 0.01 940.08 – 0.10 1210.1 0.09 1338.2 0.17 1477.3 0.02 1636.7 0.22 SIN1 1336 U3810BM Frequency deviation Hz +0.85 +1.18 +0.06 – 0.92 +1.1 +2.2 +0.3 +3.7 CO DTMF : HF DTMF : LF MELODY CONFIDENCE TONE 1477 1633 (31) ...
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... U3810BM Standard frequency Hz 440 466.16 493.88 523.25 554.36 587.33 622.25 659.25 698.46 740 784 830 880 932.3 987.77 1046.5 1108.73 1174.66 1244.5 1318.5 1396.9 1480 1568 1661.2 1760 1864.65 1975.5 2093 2217.46 2349.3 Table 2: Frequency tolerance of the output tone Tone output frequency when using 455 kHz ...
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... RESET CO TAL VDD LVIO VCC SAI MF U3810BM SAIX STS VSA RECI SO1 STL SO2 RECOX GND RECO1 RREF RECO2 CEI TACL Figure 9 Test circuit U3810BM Typ. Max. Unit Fig. 2.54 3. 3.52 4. 100 – 8 – 6 dBm 2.33 2. 455 kHz 39 38 serial bus – ...
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... U3810BM Internal registers set by serial bus S4 (Fig. 9) AMF SIN1 SIN0 either Note 7: DTMF calculations BF level without attenuation with pre-emphasis A: BF level without attenuation with pre-emphasis B: HF level without attenuation with pre-emphasis A: HF level without attenuation with pre-emphasis B: Pre-emphasis A without attenuation: Pre-emphasis B without attenuation: ...
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... VIN = 0 V VESI = 5 V 1.57 IVDD = – 5.55 ISA = 2 mA 4.75 ISA = 45 mA 5.0 250 closed m A VTHA = 7 VTHA = 12.0 V 4.4 W RIN = 300 RIN = 300 – 12.8 U3810BM Typ. Max. Unit Fig. 8.75 9. 465 495 mV 10 3.2 3 2.5 2. 2.90 3. 14.1 15.0 k 1.55 1 ...
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... SD103A 100k 470nF IVDD S8 470uF 100 ISA 47uF 22 (31) 0.1uF VIN VTHA TAD 7 TAL 8 VDD 9 VCC SAI U3810BM 12 SAI 13 VSA 14 SO1 VSO 15 SO2 16 GND RREF 17 CEI Figure 10 Test circuit TELEFUNKEN Semiconductors IZC VESI S6 455kHz RESET LVIO 37 C serial bus ...
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... RESET TIMING (figure 11, 12 and 13) Clock start-up time t on Clock inhibition time t off Reset time (without Rev. A1: 19.01.1996 VDD = 3.5 V Min. Typ. 2.8 – 1 3.1 2.19 2.20 1.10 t 0.1 sud 0.1 eon t 0 0.2 eoff 31.6 U3810BM Max. Unit 150 (31) ...
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... U3810BM Power-on-reset and reset pin The system (U3810BM + microcontroller) is woken initial condition: – line voltage (VL) – ringer (THA) – external supply (ESI) 1.) Power on in speed-up condition (VDD < VSON) LINE LVIO SHUTDOWN VDD CO RESETN 2.) Power on without speed-up (VDD > VSON) LINE LVIO SHUTDOWN ...
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... Pin RESET remains high. m When the line break is shorter than t P, nothing appears. 4.) Line current fall LINE LIVO SHUTDOWN VDD CO RESET Rev. A1: 19.01.1996 U3810BM Figure (internal microprocessor timing special for line breaks into standby mode (oscillator stop). off 937612 Figure 14 937611 25 (31) ...
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... U3810BM CO 94 7896 e Serisl bus The circuit is remoted by an external microcontroller through the serial bus: The data is an 8-bit word: B7 – B6 – B5: address of the destination register ( – B0: contents of register m P 937614 26 (31) TELEFUNKEN Semiconductors CLOCK OUTPUT <CO> Figure 15 The data line must be stable when the clock is high and data must be serially shifted ...
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... Reception mode LIS RX6 RX2 Rev. A1: 19.01.1996 Serial Bus Interface 8 bits register Analog Commands Figure 18 Figure 19 MIS: Microphone input switching TX1 TX0 TX6: +6dB TX: Transmission gain adjustment LIS: Loudhearing input switching RX1 RX0 RX6: +6dB RX: Reception gain adjustment U3810BM 937615 27 (31) ...
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... U3810BM 2: Loudhearing mode IAL EA NEA2 3: AGC mode IAGC AR1 AR0 4: Sidetone mode IE2 IBAL BAL2 BAL STS 1 5/6 STS + 1/6 STL 2 2/3 STS + 1/3 STL 3 1/2 STS + 1/2 STL 4 1/2 STS + 1/2 STL 5 1/3 STS + 2/3 STL 6 1/6 STS + 5/6 STL ...
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... C6 2087.2 C#6 2208.7 D6 2345.4 AMF: ISQ: SD: SIN1 SIN0 SIN: Type Electrostatic sensitive device. Observe precautions for handling. U3810BM DTMF mode Key HF/LF «1» 2.5 dB «4» ” «7» ” «*» ” «2» ” «5» ” ...
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... U3810BM Dimensions in mm Package: PLCC 44 Package: SSO 44 30 (31) TELEFUNKEN Semiconductors 94 8888 Rev. A1: 19.01.1996 ...
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... TEMIC against all claims, costs, damages, and expenses, arising out of, directly or indirectly, any claim of personal damage, injury or death associated with such unintended or unauthorized use. TEMIC TELEFUNKEN microelectronic GmbH, P.O.B. 3535, D-74025 Heilbronn, Germany Telephone 7131 67 2831, Fax Number 7131 67 2423 Rev. A1: 19.01.1996 U3810BM 31 (31) ...