uba2051t NXP Semiconductors, uba2051t Datasheet
uba2051t
Available stocks
Related parts for uba2051t
uba2051t Summary of contents
Page 1
DATA SHEET UBA2050(A); UBA2051(A;C) One-chip telephone ICs with speech, dialler and ringer functions Product specification Supersedes data of 1998 Mar 24 File under Integrated Circuits, IC03 INTEGRATED CIRCUITS 2000 May 19 ...
Page 2
Philips Semiconductors One-chip telephone ICs with speech, dialler and ringer functions FEATURES Speech/transmission part Low DC line voltage; operates down to 1.45 V (excluding voltage drop over external polarity guard) Line voltage regulator with adjustable DC voltage Regulated 3.3 V ...
Page 3
... V (with reduced performance) to facilitate the use of telephone sets connected in parallel. ORDERING INFORMATION TYPE NUMBER NAME UBA2050T SO28 UBA2050AT SO28 UBA2051T SO28 UBA2051AT SO28 UBA2051CT SO28 2000 May 19 When the line current is high enough, a fixed amount of current is derived from pin LN in order to create a supply point at pin V 3 ...
Page 4
Philips Semiconductors One-chip telephone ICs with speech, dialler and ringer functions QUICK REFERENCE DATA SYMBOL PARAMETER Speech/transmission part I line current operating range line V DC line voltage LN I internal current consumption CC V supply voltage for internal circuitry ...
Page 5
Acrobat reader. white to force landscape pages to be ... KT DP/FL DIALLER PART FLASH KEYTONE R4 KEYBOARD DETECTOR C1 C2 ...
Page 6
Philips Semiconductors One-chip telephone ICs with speech, dialler and ringer functions PINNING SYMBOL UBA2050 UBA2050A LN 1 SLPE 2 REG AGC 5 DTMF XTAL 8 DP/FL 9 DMO 10 LED CE/CSI 11 CE/FDI ...
Page 7
... LN 1 SLPE 2 REG AGC 5 DTMF UBA2051T 8 XTAL 9 DP/FL DMO 10 CE/CSI 11 CE/FDI 12 MDY/TONE MGT044 Fig.4 Pin configuration (UBA2051T). 2000 May 19 handbook, halfpage MIC 27 26 MIC GAR 23 QR GND ...
Page 8
Philips Semiconductors One-chip telephone ICs with speech, dialler and ringer functions handbook, halfpage LN 1 SLPE 2 REG AGC 5 DTMF UBA2051CT XTAL 8 9 DP/ CE/CSI 11 CE/FDI 12 MDY/TONE ...
Page 9
Philips Semiconductors One-chip telephone ICs with speech, dialler and ringer functions Internal supply (pin The internal transmission part circuitry is supplied from V . This supply voltage is derived from the voltage on CC pin LN by ...
Page 10
Philips Semiconductors One-chip telephone ICs with speech, dialler and ringer functions 3 handbook, halfpage I P (mA mA; R ...
Page 11
Philips Semiconductors One-chip telephone ICs with speech, dialler and ringer functions R line I line handbook, full pagewidth exch I SUP V exch UBA205xx S ET IMPEDANCE In the audio frequency range, the dynamic impedance is ...
Page 12
Philips Semiconductors One-chip telephone ICs with speech, dialler and ringer functions T RANSMIT STAGES Microphone signal amplification (pins MIC+ and MIC ) The UBA205xx has symmetrical microphone inputs. The input impedance between pins MIC+ and MIC ...
Page 13
Philips Semiconductors One-chip telephone ICs with speech, dialler and ringer functions Earpiece amplifier (pins GAR and QR) The earpiece amplifier is an operational amplifier having its output QR and inverting input GAR available. It can be used in conjunction with ...
Page 14
Philips Semiconductors One-chip telephone ICs with speech, dialler and ringer functions handbook, full pagewidth QR GND a. Dynamic earpiece. (1) This resistor may be connected to prevent distortion due to the inductive load. (2) This resistor is required to increase ...
Page 15
Philips Semiconductors One-chip telephone ICs with speech, dialler and ringer functions A ( AGC) UTOMATIC GAIN CONTROL PIN The UBA205xx performs automatic line loss compensation. The automatic gain control varies the gain of the microphone amplifier and the gain of ...
Page 16
Philips Semiconductors One-chip telephone ICs with speech, dialler and ringer functions S S IDETONE UPPRESSION The anti-sidetone network for the UBA205xx, comprising R in parallel with line ast1 (see Fig.16), suppresses the transmitted signal ...
Page 17
Philips Semiconductors One-chip telephone ICs with speech, dialler and ringer functions handbook, full pagewidth Z line GND Fig.17 Equivalent circuit of an anti-sidetone network in a Wheatstone bridge configuration. Dialler and ringer parts UPPLY VOLTAGE PIN ...
Page 18
Philips Semiconductors One-chip telephone ICs with speech, dialler and ringer functions I ( CE/FDI NTERNAL RESET CIRCUIT PINS A reset signal is internally generated to initialize the UBA205xx as follows (see Fig.18): By the on-chip Power-On Reset (POR) circuit as ...
Page 19
Philips Semiconductors One-chip telephone ICs with speech, dialler and ringer functions Table 3 Ringer melodies NAME Bell 1 (default) Bell 2 Bell 3 Bell 4 handbook, full pagewidth CE/FDI sync time MDY/TONE P ( DP/FL, DMO ULSE DIALLER PINS The ...
Page 20
Philips Semiconductors One-chip telephone ICs with speech, dialler and ringer functions handbook, full pagewidth KEYS internal MUTE DP/FL DMO t = break time make time mho t = interdigit pause time. t idp ...
Page 21
Philips Semiconductors One-chip telephone ICs with speech, dialler and ringer functions T ( MDY/TONE ONE DIALLER PINS AND The digits are transmitted as two simultaneously generated tones: the Dual-Tone Multi-Frequency (DTMF) system. These dual tones which are provided at the ...
Page 22
Philips Semiconductors One-chip telephone ICs with speech, dialler and ringer functions Table 4 DTMF standard frequencies and their implementation DTMF FREQUENCY (Hz) 697 770 852 941 1209 1336 1477 Note 1. Assuming f = 3.579545 MHz. xtal F ( DP/FL ...
Page 23
Philips Semiconductors One-chip telephone ICs with speech, dialler and ringer functions EYBOARD DETECTOR PINS TO The pins are directly connected to a traditional single contact keyboard. The keyboard is normally static with outputs ...
Page 24
Philips Semiconductors One-chip telephone ICs with speech, dialler and ringer functions Keyboard structure The UBA205xx supports the keyboard structure given in Fig.25. Pin C4 is not available in the UBA2050x. For key definitions, see Table 5. MBS handbook, full pagewidth ...
Page 25
Philips Semiconductors One-chip telephone ICs with speech, dialler and ringer functions Table 6 Digits keypad activation and corresponding DTMF frequency pairs GENERATED DTMF DIGIT FREQUENCIES KEYS f (Hz) L [0] 941 [1] 697 [2] 697 [3] 697 [4] 770 [5] ...
Page 26
Philips Semiconductors One-chip telephone ICs with speech, dialler and ringer functions K ( KT) EY TONE PIN A keytone with a frequency f = 597 Hz and a duration t kt pressed resulting in the expected action, digit keys in ...
Page 27
Philips Semiconductors One-chip telephone ICs with speech, dialler and ringer functions handbook, full pagewidth Table 8 Melody selection during ringer state MELODY Bell 1 Bell 2 Bell 3 Bell 4 2000 May 19 power-on ringer signal STANDBY ringer invalid on-hook/line ...
Page 28
Philips Semiconductors One-chip telephone ICs with speech, dialler and ringer functions LINE STATE This section describes all the actions of the UBA205xx during the on-line state. This state starts with making output DP/FL HIGH (external pull-up resistor), ...
Page 29
Philips Semiconductors One-chip telephone ICs with speech, dialler and ringer functions handbook, full pagewidth PTS = on PULSE DIALLING DIALLING Pulse dialling In this mode all valid keys are dialled by the pulse dialler. When, during pulse dialling, either [ ...
Page 30
Philips Semiconductors One-chip telephone ICs with speech, dialler and ringer functions Memory recall state (only UBA2051x) Repertory numbers can be dialled out after or before entering manual dialling, last number redial and by entering the memory locations in successive order. ...
Page 31
Philips Semiconductors One-chip telephone ICs with speech, dialler and ringer functions LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 60134). SYMBOL P total power dissipation tot T ambient temperature amb T storage temperature stg T junction temperature ...
Page 32
Philips Semiconductors One-chip telephone ICs with speech, dialler and ringer functions handbook, halfpage ( 1.000 W. amb tot ( 0.875 W. amb tot ( ...
Page 33
Philips Semiconductors One-chip telephone ICs with speech, dialler and ringer functions CHARACTERISTICS mA; GND = line SLPE measured according to the test circuits of Figs 32, 33 and 34; see ...
Page 34
Philips Semiconductors One-chip telephone ICs with speech, dialler and ringer functions SYMBOL PARAMETER I available supply current for DD peripherals in on-line mode I memory retention current DD(MR) (internal consumption memory retention voltage DD(MR) V ...
Page 35
Philips Semiconductors One-chip telephone ICs with speech, dialler and ringer functions SYMBOL PARAMETER G voltage gain variation with v(DTMF)(T) temperature G voltage gain from pin DTMF v(ct) to pin RX (confidence tone) Receive stages ECEIVE AMPLIFIER PINS ...
Page 36
Philips Semiconductors One-chip telephone ICs with speech, dialler and ringer functions SYMBOL PARAMETER Automatic gain control (pin AGC) G voltage gain control range for v(trx) microphone and receive amplifiers I highest line current for start maximum gain I lowest line ...
Page 37
Philips Semiconductors One-chip telephone ICs with speech, dialler and ringer functions SYMBOL PARAMETER Z output impedance o THD total harmonic distortion T ( LN) RANSMIT CHANNEL PIN V high group frequency voltage HG(LN)(rms) (RMS value) V low group frequency voltage ...
Page 38
Philips Semiconductors One-chip telephone ICs with speech, dialler and ringer functions TIMING CHARACTERISTICS SYMBOL PARAMETER Timing EYBOARD INPUTS OUTPUTS PINS t keyboard depress dd debounce time t keyboard release rd debounce time K ( KT) EY TONE ...
Page 39
Philips Semiconductors One-chip telephone ICs with speech, dialler and ringer functions SYMBOL PARAMETER t brake time b t flash time fl MDY/TONE) IAL TONE OUTPUT PIN t burst time t t pause time CE/CSI HIP ...
Page 40
Philips Semiconductors One-chip telephone ICs with speech, dialler and ringer functions TEST AND APPLICATION INFORMATION handbook, full pagewidth I line 100 F V MIC line Z line 600 V DTMF V Voltage gain defined ...
Page 41
Philips Semiconductors One-chip telephone ICs with speech, dialler and ringer functions handbook, full pagewidth I line 100 F 220 line Z line C DTMF 100 nF R DTMF1 600 Voltage gain defined as ...
Page 42
Philips Semiconductors One-chip telephone ICs with speech, dialler and ringer functions handbook, full pagewidth MIC MIC DTMF V CC MDY/TONE DP/FL REG Inputs not being tested should be open-circuit. Only pins common to UBA205xx are represented. Pin ...
Page 43
Philips Semiconductors One-chip telephone ICs with speech, dialler and ringer functions handbook, full pagewidth S1 trickle ring R ring A/B 2 BR211 D1 D2 (220 V) BAS11 B/A D4 BAS11 ...
Page 44
Philips Semiconductors One-chip telephone ICs with speech, dialler and ringer functions handbook, full pagewidth A IC1 Fig.36 Application of the UBA2050 (continued from Fig.35). 2000 May 19 R feed 1 k 100 F C VCC ( ...
Page 45
Philips Semiconductors One-chip telephone ICs with speech, dialler and ringer functions handbook, full pagewidth R prot 3.9 TR2 BZX79C 470 k S1 trickle ring R ring A/B 2 BR211 D1 ...
Page 46
Philips Semiconductors One-chip telephone ICs with speech, dialler and ringer functions handbook, full pagewidth A IC1 B Fig.38 Application of the UBA2051 (continued from Fig.37). 2000 May 19 R feed 1 k 100 F C VCC ( ...
Page 47
Philips Semiconductors One-chip telephone ICs with speech, dialler and ringer functions PACKAGE OUTLINE SO28: plastic small outline package; 28 leads; body width 7 pin 1 index 1 DIMENSIONS (inch dimensions are derived from the original mm ...
Page 48
Philips Semiconductors One-chip telephone ICs with speech, dialler and ringer functions SOLDERING Introduction to soldering surface mount packages This text gives a very brief insight to a complex technology. A more in-depth account of soldering ICs can be found in ...
Page 49
Philips Semiconductors One-chip telephone ICs with speech, dialler and ringer functions Suitability of surface mount IC packages for wave and reflow soldering methods PACKAGE BGA, LFBGA, SQFP, TFBGA HBCC, HLQFP, HSQFP, HSOP, HTQFP, HTSSOP, SMS (3) PLCC , SO, SOJ ...
Page 50
Philips Semiconductors One-chip telephone ICs with speech, dialler and ringer functions DATA SHEET STATUS PRODUCT DATA SHEET STATUS STATUS Objective specification Development Preliminary specification Qualification Product specification Production Note 1. Please consult the most recently issued data sheet before initiating ...
Page 51
Philips Semiconductors One-chip telephone ICs with speech, dialler and ringer functions 2000 May 19 UBA2050(A); UBA2051(A;C) NOTES 51 Product specification ...
Page 52
Philips Semiconductors – a worldwide company Argentina: see South America Australia: 3 Figtree Drive, HOMEBUSH, NSW 2140, Tel. +61 2 9704 8141, Fax. +61 2 9704 8139 Austria: Computerstr. 6, A-1101 WIEN, P.O. Box 213, Tel. + 101 ...