U3501BM Processor Datasheet

U3501BM Datasheet, PDF, Equivalent


Part Number

U3501BM

Description

Cordless Telephone Signal Processor

Manufacture

TEMIC Semiconductors

Total Page 20 Pages
Datasheet
Download U3501BM Datasheet


U3501BM
Cordless Telephone Signal Processor
U3501BM
Description
www.datashCeeotr4dul.ecsosmtelephone signal processor reduces the need for
many external components.
Features
RF Receiver Part
IF converter, FM demodulator, RSSI-digital information
coding, transmit and receive part adjustable and mutable
by serial bus, compander, pre-/ de-emphasis, scrambler
with bypass function
LF Part
Microphone amplifier, earpiece amplifier, compander,
preemphasis, deemphasis, scrambler, descrambler,
digital power management, data management by FSK
Application: CT1, CT1P, 900 MHz USA standard
Package: SO28
Block Diagram
MIXIN
MIXGND
MIXO
ÁÁ
IFIN1
LOIN
OSCILATOR
11.15MHz
LOEXT
DIVI
Switched Cap.
Divider.
NC
VBAT
C INTBUS
Serial
D Bus
BATD
Battery low
detector
LPF
VCC TXO
IFIN2
DACO
RECDC
IFAMP
ÎÎÎÎÎÎLOG
RDEMO
Demodulator
RSSI
RGAIN
ADJ
LPF
Scrambler frequency
D/A
FSK
MODEM
Scrambler frequency
LPF
Modem
TGAIN
ÁÁÁÁÁÁADJ.2
LIMITER
PFIL
GND
Figure 1.
LPF
DFIL
EXPANDER
RECOUT
RXO
ETC
EXIN
RECO2
RECO1
RXDAT
MIC
TGAIN
ADJ.1
COMPRESSOR
TXDAT
MIC1
MIC2
MICO
COIN
CTC
12386
TELEFUNKEN Semiconductors
Rev. A1, 29-Jul-96
Preliminary Information
1 (20)

U3501BM
U3501BM
Pin Description
www.datasheet4TuX.cOom 1
CTC 2
28 TXDAT
27 RXDAT
COIN 3
MICO 4
26 D
25 C
MIC2 5
24 DACO
MIC1 6
23 VCC
GND 7
22 LOIN
RXO 8
21 VBAT
RECO2 9
20 LOEXT
RECO1 10
19 NC
EXIN 11
18 RECDC
ETC 12
17 MIXGND
IFIN2 13
16 MIXIN
IFIN1 14
15 MIXO
96 12 387
Figure 2. Pinning
Pin Symbol
Function
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ1 TXO Transmit section analog output
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ2 CTC Compressor time constant control
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁanalog output
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ3 COIN Compressor analog input
4 MICO Microphone amplifier output
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ5 MIC2 Non-inverting input of microphone
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁamplifier
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ6 MIC1 Inverting input of microphone
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁamplifier
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ7 GND LF analog/ digital ground
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ8 RXO Intermediate receive analog output
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ9 RECO2 Symmetrical output of receive
amplifier
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ10 RECO1 Symmetrical output of receive
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁamplifier
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ11 EXIN Expander analog input
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ12 ETC Expander time constant control
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁanalog output
13 IFIN2 Symmetrical IF amplifier input
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ14 IFIN1 Symmetrical IF amplifier input
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ15 MIXO Mixer output
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ16 MIXIN Mixer input
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ17 MIXGND IF amplifier and mixer ground
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ18 RECDC Reference voltage generation for
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁFSK demodulator
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ19 NC Not connected
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ20 LOEXT External LO input
21 VBAT Battery supply
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ22 LOIN Local oscillator input for TCO or
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁSC filter oscillator: 11.15 MHz
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ23 VCC Supply voltage output for
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁperipherals and internal supply of
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁdigital part
24 DACO D/A comparator output
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ25 C Clock input of serial bus
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ26 D Data input of serial bus
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ27 RXDAT Receive data digital output
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ28 TXDAT Transmit data digital input
2 (20)
TELEFUNKEN Semiconductors
Preliminary Information
Rev. A1, 29-Jul-96


Features U3501BM Cordless Telephone Signal Proces sor Description www.datasheet4u.com Co rdless telephone signal processor reduc es the need for many external component s. Features RF Receiver Part IF conver ter, FM demodulator, RSSI-digital infor mation coding, transmit and receive par t adjustable and mutable by serial bus, compander, pre-/ de-emphasis, scramble r with bypass function LF Part Microph one amplifier, earpiece amplifier, comp ander, preemphasis, deemphasis, scrambl er, descrambler, digital power manageme nt, data management by FSK Application: CT1, CT1P, 900 MHz USA standard Packag e: SO28 Block Diagram MIXO IFIN1 IFIN2 DACO RECDC MIXIN MIXGND Á Á OSCILA TOR 11.15MHz DIVI Switched Cap. Divider . IFAMP LOG LOIN RSSI ÎÎÎ ÎÎÎ RDEMO Demodulator LPF RGAIN ADJ DFIL RXO ETC LPF EXPANDER Scrambler freq uency EXIN RECO2 RECOUT LOEXT RECO1 NC VBAT D/A FSK MODEM RXDAT TXDAT MIC1 BATD Battery low detector Scrambl er frequency MIC MIC2 C INTBUS Serial D LPF Bus LPF TGAIN ADJ.2 .
Keywords U3501BM, datasheet, pdf, TEMIC Semiconductors, Cordless, Telephone, Signal, Processor, 3501BM, 501BM, 01BM, U3501B, U3501, U350, Equivalent, stock, pinout, distributor, price, schematic, inventory, databook, Electronic, Components, Parameters, parts, cross reference, chip, Semiconductor, circuit, Electric, manual, substitute




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