MC145567P LANSDALE Semiconductor Inc., MC145567P Datasheet

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MC145567P

Manufacturer Part Number
MC145567P
Description
Manufacturer
LANSDALE Semiconductor Inc.
Datasheet
1.MC145567P.pdf (18 pages)

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Legacy Device: Motorola MC145554, MC145557, MC145564, MC145567
PCM Codec–Filters. These devices perform the voice digitization and recon-
struction as well as the band limiting and smoothing required for PCM sys-
tems. They are designed to operate in both synchronous and asynchronous
applications and contain an on–chip precision voltage reference. The
ML145554 (Mu–Law) and ML145557 (A–Law) are general purpose devices
that are offered in 16–pin packages. The ML145564 (Mu–Law) and
ML145567 (A–Law), offered in 20–pin packages, add the capability of analog
loopback and push–pull power amplifiers with adjustable gain.
to the encoder section. The encoder section immediately low–pass filters the
analog signal with an active R–C filter to eliminate very–high–frequency noise
from being modulated down to the pass band by the switched capacitor filter.
From the active R–C filter, the analog signal is converted to a differential sig-
nal. From this point, all analog signal processing is done differentially. This
allows processing of an analog signal that is twice the amplitude allowed by a
single–ended design, which reduces the significance of noise to both the invert-
ed and non–inverted signal paths. Another advantage of this differential design
is that noise injected via the power supplies is a common–mode signal that is
cancelled when the inverted and non–inverted signals are recombined. This
dramatically improves the power supply rejection ratio.
passes the analog signal from 200 Hz to 3400 Hz before the signal is digitized-
by the differential compressing A/D converter.
verter. The output of the D/A is low–pass filtered at 3400 Hz and sinX/X com-
pensated by a differential switched capacitor filter. The signal is then filtered
by an active R–C filter to eliminate the out–of–band energy of the switched
capacitor filter.
standard clock formats. They also maintain compatibility with Motorola’s fami-
ly of TSACs and MC3419/MC34120 SLIC products.
to its reliable low–power performance and proven capability for complex
analog/digital VLSI functions.
FEATURES
Page 1 of 18
ML145554/57(16–Pin Package)
ML145564/67(20–Pin Package) — All of the Features of the ML145554/57 Plus:
The ML145554, ML145557, ML145564, and ML145567 are all per channel
These devices have an input operational amplifier whose output is the input
After the differential converter, a differential switched capacitor filter band-
The decoder accepts PCM data and expands it using a differential D/A con-
These PCM Codec–Filters accept both long–frame and short–frame industry
The ML145554/57/64/67 family of PCM Codec–Filters utilizes CMOS due
• Fully Differential Analog Circuit Design for Lowest Noise
• Performance Specified for Extended Temperature Range of – 40 to + 85°C
• Transmit Band–Pass and Receive Low–Pass Filters On–Chip
• Active R–C Pre–Filtering and Post–Filtering
• Mu–Law Companding ML145554
• A–Law Companding ML145557
• On–Chip Precision Voltage Reference (2.5 V)
• Typical Power Dissipation of 40 mW, Power Down of 1.0 mW at ±5 V
• Mu–Law Companding ML145564
• A–Law Companding ML145567
• Push–Pull Power Drivers with External Gain Adjust
• Analog Loopback
www.lansdale.com
ML145554
ML145557
PCM Codec–Filter
CROSS REFERENCE/ORDERING INFORMATION
Note: Lansdale lead free (Pb) product, as it
becomes available, will be identified by a part
number prefix change from ML to MLE.
PACKAGE
P DIP 16
P DIP 16
P DIP 20
P DIP 20
SO 16W
SO 16W
SO 20W
SO 20W
20
20
16
16
1
1
1
1
MC145554DW
MC145557DW
MC145564DW
MC145567DW
MOTOROLA
MC145554P
MC145557P
MC145564P
MC145567P
ML145564
ML145567
SOG PACKAGE
SOG PACKAGE
SOG 20 = -6P
ML145564/67
P DIP 20 = RP
P DIP 16 = EP
ML145554/57
ML145554/57
ML145564/67
PLASTIC DIP
PLASTIC DIP
CASE 751D
SOG 16 = -5P
CASE 751G
CASE 648
CASE 738
ML145554-5P
ML145557-5P
ML145564-6P
ML145567-6P
ML145564RP
ML145567RP
ML145554EP
ML145557EP
LANSDALE
Issue A

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MC145567P Summary of contents

Page 1

... ML145554/57 SOG 16 = -5P SOG PACKAGE CASE 751G 1 ML145554/57 P DIP PLASTIC DIP CASE 738 ML145564/67 SOG 20 = -6P SOG PACKAGE CASE 751D ML145564/67 MOTOROLA LANSDALE MC145554P ML145554EP MC145554DW ML145554-5P MC145557P ML145557EP MC145557DW ML145557-5P MC145564P ML145564RP MC145564DW ML145564-6P MC145567P ML145567RP MC145567DW ML145567-6P Issue A ...

Page 2

ML145554, ML145557, ML145564, ML145567 GNDA BCLK R / CLKSEL MCLK R / PDN GS X ANLB – – VPO + –1 * – VPO – VPI ...

Page 3

LANSDALE Semiconductor, Inc. DEVICE DESCRIPTION A codec–filter is used for digitizing and reconstructing the- human voice. These devices were developed primarily for the telephone network to facilitate voice switching and transmis- sion. Once the voice is digitized, it may be ...

Page 4

ML145554, ML145557, ML145564, ML145567 serial PCM word, clocked by BCLK X , out the FS X pulse is high for more than eight BCLK X periods, the D X and TS X outputs will remain ...

Page 5

LANSDALE Semiconductor, Inc. complementary outputs. The output of the second amplifier may be internally connected to the input of the transmit anti–aliasing filter by bringing the ANLB pin high. The power amplifiers can drive unbal- anced 300 Ω loads or ...

Page 6

ML145554, ML145557, ML145564, ML145567 MAXIMUM RATINGS (Voltage Referenced to GNDA) Rating DC Supply Voltage Voltage on Any Analog Input or Output Pin Voltage on Any Digital Input or Output Pin Operating Temperature Range Storage Temperature Range POWER SUPPLY (T A ...

Page 7

LANSDALE Semiconductor, Inc. ANALOG ELECTRICAL CHARACTERISTICS ( ± 5 – ± 5 – Connected – 85°C) Input ...

Page 8

ML145554, ML145557, ML145564, ML145567 ANALOG TRANSMISSION PERFORMANCE 5 – ± 5%, GNDA = dBm0 = 1.2276 Vrms = + 4 dBm @ 600 Ω kHz, ...

Page 9

LANSDALE Semiconductor, Inc. DIGITAL SWITCHING CHARACTERISTICS ( 5 – Noted) Characteristic Master Clock Frequency Minimum Pulse Width High or Low Minimum Pulse Width High or Low Minimum Pulse WIdth Low Rise ...

Page 10

ML145554, ML145557, ML145564, ML145567 TS X MCLK X MCLK R BCLK X t h(BF) t h(F) t su( BCLK h(BF) t su( Page d(BTS) t ...

Page 11

LANSDALE Semiconductor, Inc. MCLK X MCLK R BCLK X t h(BF d(ZF BCLK R t h(BF) t su(FB Page su(BRM su(FB) t ...

Page 12

LANSDALE Semiconductor, Inc. ANALOG OUT 1.544 MHz/ 2.048 MHz ADCPM IN POWER–DOWN Page – GNDA ML145554/ ...

Page 13

LANSDALE Semiconductor, Inc. MJD253 1N4002 1N4002 – 100 0.01 µF 1 TIP RING 100 1/4 W 0.01 µ MJD243 1N4002 1N4002 – NOTE: Six resistors and two capacitors on the two–wire ...

Page 14

ML145554, ML145557, ML145564, ML145567 S INTERFACE 7 Ω kΩ HANDSET RJ– RCVR + 5 V (WHITE) 500 Ω + MIC (RED) – RCVR 0.1 µF (WHITE) – MIC (BLK) Page ...

Page 15

LANSDALE Semiconductor, Inc. Chord Number Step Number of Steps Size 8 16 256 7 16 128 NOTES: 1. Characteristics are ...

Page 16

ML145554, ML145557, ML145564, ML145567 Chord Number Step Number of Steps Size 7 16 128 NOTES: 1. Characteristics are symmetrical about analog zero ...

Page 17

ML145554, ML145557, ML145564, ML145567 –A– –A– 16X 0.010 (0.25 14X Page OUTLINE DIMENSIONS P DIP (ML145554EP, ML145557EP) PLASTIC DIP CASE 648– ...

Page 18

ML145554, ML145557, ML145564, ML145567 - -T- SEATING PLANE –A– 20X 0.010 (0.25 18X Lansdale Semiconductor reserves the right to make changes without further notice to any products herein to improve ...

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