參數(shù)資料
型號(hào)： 935260690112
廠商： NXP SEMICONDUCTORS
元件分類(lèi)： 無(wú)繩電話(huà)/電話(huà)
英文描述： TELEPHONE MULTIFUNCTION CKT, PDSO28
封裝： PLASTIC, SOT-136, SO-28
文件頁(yè)數(shù)： 51/56頁(yè)
文件大?。?/td> 360K
代理商： 935260690112
- Manual dialling with minimum duration for bursts and pauses (85/85 ms)
- Calibrated timing during redialling (85/85 ms).
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Pulse or tone mode select at start-up (resistor option)
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Flash function (600, 300, 98 and 80 ms) (resistor options)
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Access pause time 2.0 and 3.6 s (resistor option); access pauses in series are possible
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[*/T] key (for mixed mode dialling) or separate [P -> T] key
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Repertory memory integrity check
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Keytone generation (only UBA2050, UBA2050A and UBA2051C)
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Dial Mode Output (DMO) function during pulse dialling and flash function (only UBA2050 and UBA2051)
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LED output for DTMF dialling indication (only UBA2050A and UBA2051A)
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Function keys:
- [LNR/P], [R] and [P -> T]
- [STORE], [MEM], [M1], [M2] and [M3] (only UBA2051, UBA2051A and UBA2051C).
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Resistor options:
- [*/T] key definition (MMS)
- Pulse or Tone mode Selection (PTS)
- Flash Time Selection (FTSA and FTSB)
- Make/Break ratio Selection (MBS)
- Pulses Per Second (PPS)
- Access Pause Time (APT).
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13 repertory numbers (only UBA2051, UBA2051A and UBA2051C):
- 3 direct memories (21 digits)
- 10 indirect memories (21 digits).
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Supply and temperature independent tone output
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On-chip DTMF filtering for low output distortion ("CEPT CS 203" compatible)
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On-chip oscillator suitable for low-cost 3.579545 MHz quartz crystal or ceramic resonator
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Uses standard single-contact keyboard
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Keyboard entries fully debounced.
Ringer part
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Ringer input frequency discrimination
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3-tone ringer with 4 programmable melodies (selectable via keyboard by keys [1] to [4])
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4-level volume control (selectable via keyboard by keys [5] to [8]).
Datasheet
Type nr.
Title
Publication
release date
Datasheet status
Page
count
File
size
(kB)
Datasheet
UBA2050(A); UBA2051
(A;C)
One-chip telephone ICs with speech,
dialler and ringer functions
19-May-00
Product
Specification
52
278
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