as2507 austriamicrosystems, as2507 Datasheet
as2507
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as2507 Summary of contents
Page 1
... Block Diagram Single Chip 2-Wire Intercom CMOS Integrated Circuit General Description The AS2507 is a CMOS integrated circuit that contains all the functions needed to build a 2- wire intercom network. The device incorporates 2/4-wire conversion (hybrid), soft clipping for high speech quality, FSK modem and a simple interface to a microcontroller ...
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... Output of the FSK demodulator 13 14 TxD T ransmit Input for the FSK modulator ransmit Input for enabling transmit data Function nput O utput to Handset D D rain rain S S ource ource G round own Input D ata Output D ata Input E nable 2/9 AS2507 July 1998 ...
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... Preliminary Data Sheet Functional Description The AS2507 is a CMOS integrated circuit that incorporates a speech circuit and a FSK modem intended to be used as line- powered interface on a 2-wire intercom bus. Standby Condition During standby operation (PD=High) only the FSK demodulator is active to provide the companion microcontroller with all signalling information on the 2-wire bus ...
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... Preliminary Data Sheet Typical 2-Wire Intercom Application 4/9 AS2507 July 1998 ...
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... Digital Input Voltage LOW IL V Digital Input Voltage HIGH IH Conditions Min Standby Mode PD=High, V =2.5V DD Operating Mode PD=Low, V =2. 0 5/9 AS2507 -0.3V <= V < ± 25mA -0.3V <= V <= V +0. -0.3V <= V <= V +0. ± 1000V -65° +125°C 5V ±10% 3.58 MHz -10° +60° C ...
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... Input Impedance In-RI RI Conditions Min V =0.25V +30.0 TO RMS V =0.25V TO RMS T =25°C AMP PD=High 60 T =25°C AMP Conditions Min V =0.25V -8.0 RI RMS V =0.25V RI RMS T =25°C AMP V =0.25V RI RMS 6/9 AS2507 Typ Max Units +32.0 +34 -60 dBmp 0 Typ Max Units -6.0 -4 -60 dBmp 24 dB 500 k July 1998 ...
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... Tone Output Level TO A Attenuation at 4kHz VB Input Bandpass Filter Test circuit Conditions Min TE=High TxD=High f =3.579545MHz OSC TE=High TxD=Low f =3.579545MHz OSC TE=Low TE=Low TE=Low TE=High 600 7/9 AS2507 Typ Max Units 22375 Hz 18645 Hz 22375 Hz ±447 18645 Hz ±372 100 mVp mVp 35 dB July 1998 ...
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... Pitch 1.27mm / 50mil SO16w (suffix T) 1 – – – – – TO TxD – – RO OSC2 – – PD OSC1 – – M1 RxD – – – – – 9 GND SS 8/9 AS2507 July 1998 ...
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... Preliminary Data Sheet Ordering information Number Package Description AS2507 P DIP14 plastic dual inline package - 14 leads (suffix P) AS2507 T SO16w plastic small outline package - 16 leads (suffix T) Devices sold by Austria Mikro Systeme Int. AG are covered by the warranty and patent idemnification provisions appearing in its Term of Sale. Austria Mikro Systeme Int. AG makes no warranty, express, statutory, implied description regarding the information set forth herein or regarding the freedom of the decribed devices from patent infringement ...