TP3067V National Semiconductor, TP3067V Datasheet

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TP3067V

Manufacturer Part Number
TP3067V
Description
Enhanced Serial Interface CMOS CODEC/Filter COMBO
Manufacturer
National Semiconductor
Datasheet

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C 1995 National Semiconductor Corporation
TP3064 TP3067
‘‘Enhanced’’ Serial Interface
CMOS CODEC Filter COMBO
General Description
The TP3064 ( -law) and TP3067 (A-law) are monolithic
PCM CODEC Filters utilizing the A D and D A conversion
architecture shown in Figure 1 and a serial PCM interface
The devices are fabricated using National’s advanced dou-
ble-poly CMOS process (microCMOS)
Similar to the TP305X family these devices feature an addi-
tional Receive Power Amplifier to provide push-pull bal-
anced output drive capability The receive gain can be ad-
justed by means of two external resistors for an output level
of up to
Also included is an Analog Loopback switch and a TS
put
See also AN-370 ‘‘Techniques for Designing with CODEC
Filter COMBO Circuits ’’
COMBO and TRI-STATE are registered trademarks of National Semiconductor Corpora-
tion
Block Diagram
g
6 6V across a balanced 600
TL H 5070
load
X
out-
FIGURE 1
Features
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Complete CODEC and filtering system including
A-law TP3067
Designed for D3 D4 and CCITT applications
Low operating power typically 70 mW
Power-down standby mode typically 3 mW
Automatic power-down
TTL or CMOS compatible digital interfaces
Maximizes line interface card circuit density
g
-law TP3064
5V operation
Transmit high-pass and low-pass filtering
Receive low-pass filter with sin x x correction
Active RC noise filters
Internal precision voltage reference
Serial I O interface
Internal auto-zero circuitry
Receive push-pull power amplifiers
-law or A-law compatible COder and DECoder
RRD-B30M115 Printed in U S A
October 1991
TL H 5070 – 1

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TP3067V Summary of contents

Page 1

... Also included is an Analog Loopback switch and a TS put See also AN-370 ‘‘Techniques for Designing with CODEC Filter COMBO Circuits ’’ COMBO and TRI-STATE are registered trademarks of National Semiconductor Corpora- tion Block Diagram C 1995 National Semiconductor Corporation TL H 5070 ...

Page 2

... See NS Package J20A Order Number TP3064WM or TP3067WM See NS Package M20B Order Number TP3064N or TP3067N TL H 5070– 2 See NS Package N20A Order Number TP3064V or TP3067V See NS Package V20A Symbol MCLK Transmit master clock Must be 1 536 MHz X 1 544 MHz or 2 048 MHz May be ...

Page 3

Functional Description POWER-UP When power is first applied power-on reset circuitry initializ- es the COMBO TM and places it into a power-down state All non-essential circuits are deactivated and the D VPO b and VPO a outputs are put in ...

Page 4

Functional Description (Continued) table of Transmission Characteristics) The FS pulse controls the sampling of the filter output and then the successive-approximation encoding cycle begins The 8-bit code is then loaded into a buffer and shifted out through D at the ...

Page 5

... Absolute Maximum Ratings If Military Aerospace specified devices are required please contact the National Semiconductor Sales Office Distributors for availability and specifications V to GNDA GNDA BB Voltage at any Analog Input or Output Electrical Characteristics ...

Page 6

Electrical Characteristics Unless otherwise noted limits printed in BOLD characters are guaranteed for correlation with 100% electrical testing at T production tests and or product design and characterization All signals referenced to GNDA ...

Page 7

Timing Specifications Unless otherwise noted limits printed in BOLD characters are guaranteed for correlation with 100% electrical testing at T production tests and or product design and characterization All signals are referenced to ...

Page 8

Timing Diagrams 8 ...

Page 9

Timing Diagrams (Continued) 9 ...

Page 10

Transmission Characteristics Unless otherwise noted limits printed in BOLD characters are guaranteed for correlation with 100% electrical testing at T production tests and or product design and characterization GNDA connected for unity gain ...

Page 11

Transmission Characteristics Unless otherwise noted limits printed in BOLD characters are guaranteed for correlation with 100% electrical testing at T production tests and or product design and characterization GNDA connected for unity gain ...

Page 12

Transmission Characteristics Unless otherwise noted limits printed in BOLD characters are guaranteed for correlation with 100% electrical testing at T production tests and or product design and characterization GNDA connected for unity gain ...

Page 13

Applications Information POWER SUPPLIES While the pins of the TP3060 family are well protected against electrical misuse it is recommended that the stan- dard CMOS practice be followed ensuring that ground is connected to the device before any other connections ...

Page 14

Definitions and Timing Conventions DEFINITIONS the d c input level above which input level is guaranteed to appear as a logical one This parameter measured by performing a functional test at ...

Page 15

15 ...

Page 16

Physical Dimensions inches (millimeters) Order Number TP3064J or TP3067J Molded Small Outline Package (WM) Order Number TP3064WM or TP3067WM Cavity Dual-In-Line Package (J) NS Package Number J20A NS Package Number M20B 16 ...

Page 17

Physical Dimensions inches (millimeters) (Continued) Order Number TP3064N or TP3067N Molded Dual-In-Line Package (N) NS Package Number N20A 17 ...

Page 18

... Physical Dimensions inches (millimeters) (Continued) Order Number TP3064V or TP3067V LIFE SUPPORT POLICY NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF NATIONAL SEMICONDUCTOR CORPORATION As used herein 1 Life support devices or systems are devices or ...

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