TP3067WM National Semiconductor, TP3067WM Datasheet

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TP3067WM

Manufacturer Part Number
TP3067WM
Description
Manufacturer
National Semiconductor
Type
PCMr
Datasheet

Specifications of TP3067WM

Number Of Channels
1
Gain Control
Adjustable
Number Of Adc's
1
Number Of Dac's
1
Package Type
SOIC W
Interface Type
Serial
Operating Supply Voltage (typ)
±5V
Number Of Adc Inputs
1
Number Of Dac Outputs
1
Operating Supply Voltage (max)
±5.25V
Operating Supply Voltage (min)
±4.75V
Pin Count
20
Mounting
Surface Mount
Lead Free Status / RoHS Status
Not Compliant

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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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TP3067WM 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

... R continuously high the device is powered down Plastic Chip Carrier Order Number TP3064J or TP3067J 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 ...

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 are assured by correlation with other production tests and or product design and characterization All signals referenced to ...

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

... Floor Straight Block a Ocean Centre 5 Canton Rd 49) 0-180-530 85 85 Tsimshatsui Kowloon a Tel ( 49) 0-180-532 78 32 Hong Kong a 49) 0-180-532 93 58 Tel (852) 2737-1600 a Tel ( 49) 0-180-534 16 80 Fax (852) 2736-9960 a Lit 113975 National Semiconductor Japan Ltd Tel 81-043-299-2309 Fax 81-043-299-2408 ...

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