MC145402L Freescale Semiconductor, Inc, MC145402L Datasheet

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MC145402L

Manufacturer Part Number
MC145402L
Description
Manufacturer
Freescale Semiconductor, Inc
Datasheet

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MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Advance Information
Serial 13-Bit Linear Codec
(A/D and D/A)
to–digital converter implemented in a single silicon–gate CMOS IC. Potential
applications include analog interface for Digital Signal Processor (DSP)
applications, high speed modems, telephone systems, SONAR, Adaptive
Differential Pulse Code Modulation (ADPCM) converters, echo cancellers,
repeaters, voice synthesizers, and music synthesizers.
This document contains information on a new product. Specifications and information herein are subject to change without notice.
MOTOROLA
A out
A in
The MC145402 is a 13–bit linear monotonic digital–to–analog and analog–
Motorola, Inc. 1995
60 dB Signal–to–(Noise Plus Distortion) Ratio Typical
On–Chip Precision Voltage Reference
Serial Data Ports
Two’s Complement Coding
Sample Rates from 100 Hz to 16 kHz (Both A/D and D/A), 100 Hz to
21.3 kHz (A/D Only), and 100 Hz to 64 kHz (D/A Only)
Input Sample and Hold Provided On–Chip
5 V CMOS Inputs; Outputs Capable of Driving Two LSTTL Loads
Available in a 16–Pin DIP
Low Power Consumption: 50 mW Typical, 1 mW Power–Down
5 V Supply Operation
3
2
AND HOLD
AND HOLD
SAMPLE
SAMPLE
CONVERTER
COMPARATOR/
BANDGAP VOLTAGE
OP AMP
D/A
REFERENCE
CONTROLLER
MSI CCI PDI
SEQUENCE
6
BLOCK DIAGRAM
5
APPROXIMATION
4
SUCCESSIVE
SELECTOR
REGISTER
DATA
V DD V SS
16
TRANSMIT
RECEIVE
LATCH
LATCH
8
V AG
1
V DG
REGISTER
TRANSMIT
REGISTER
9
RECEIVE
SHIFT
SHIFT
16
MC145402L
ORDERING INFORMATION
MC145402
1
15
14
V AG
A out
13
10
12
TDF
V SS
11
MSI
CCI
A in
PDI
7
RDD
RDC
RCE
TDF
TDE
TDC
TDD
PIN ASSIGNMENT
1
2
3
4
5
6
7
8
CERAMIC PACKAGE
Ceramic Package
Order this document
CASE 620
16
15
14
13
12
10
11
L SUFFIX
9
by MC145402/D
V DD
MC145402
RDD
RDC
RCE
TDD
TDE
V DG
TDC
1

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MC145402L Summary of contents

Page 1

... SELECTOR LATCH REGISTER SUCCESSIVE TRANSMIT TRANSMIT APPROXIMATION SHIFT LATCH REGISTER REGISTER Order this document by MC145402/D MC145402 16 L SUFFIX 1 CERAMIC PACKAGE CASE 620 ORDERING INFORMATION MC145402L Ceramic Package PIN ASSIGNMENT out 15 2 RDD RCE PDI RDC TDC CCI 5 TDD 11 MSI 6 TDE TDF ...

Page 2

ABSOLUTE MAXIMUM RATINGS (Voltages Referenced Rating DC Supply Voltage V DD – Voltage, Any Pin to VSS DC Current Drain per Pin (Excluding Operating Temperature Range Storage Temperature ...

Page 3

CODER AND DECODER PERFORMANCE 0 dBm0 = 1.60 Vrms = 6.30 dBm (600 ), MSI = TDE = RCE = 8 kHz, TDC = RDC = 2.048 MHz, CCI = 256 kHz) Ch ...

Page 4

SWITCHING CHARACTERISTICS ( 5 – 5 pF, See Figure 1 Characteristic ...

Page 5

TDE t su6 t su1 t su2 TDC TDD MSI t su4 CCI CCI LAST RCE t su8 RDC t su10 RDD MOTOROLA su5 t su9 t ...

Page 6

PIN DESCRIPTIONS V DD Positive Supply (Pin 16) The most positive power supply, typically + split power supply configurations single supply systems Negative Supply (Pin 8) The most negative power ...

Page 7

RDC Receive Data Clock (Pin 13) Receive digital data is accepted by the decoder on the first 13 falling edges of RDC after an RCE rising edge. RCE Receive Clock Enable (Pin 14) This pin identifies the beginning of a ...

Page 8

Mu–Law converter. The peak amplitude of a Mu–Law converter is 3.17 dBm0. The peak level of the linear converter will be 8192/8159 times the peak level of the Mu–Law converter, which is 8192/8159 ...

Page 9

Figure 2. MC145402 Full and Short Cycle Timing MOTOROLA MC145402 9 ...

Page 10

MC145402 10 Figure 3. MC145402 Digital Data Timing MOTOROLA ...

Page 11

COMPARED TO 9–13 BIT IDEAL A/D; MSI = 8 kHz; 70 MEASURED THROUGH A LOW–PASS FILTER WITH A BANDWIDTH – 60 – 50 Figure 4. MC145402 Encoder (A/D) Signal to Noise ...

Page 12

MC145402 12 Figure 6. Typical MC145402 Configuration MOTOROLA ...

Page 13

V 1/2 MC74HC74 CLK DSP56000 SCK SC2 CLK 1/2 MC74HC74 SRD STD V SS Figure 7. The MC145402, 13–Bit Linear Codec, Interfaced to a Motorola DSP56000, MOTOROLA ...

Page 14

SEATING PLANE 0.25 (0.010) M MC145402 14 PACKAGE DIMENSIONS L SUFFIX CERAMIC CASE 620– 0.25 (0.010 ...

Page 15

MOTOROLA This page intentionally left blank. MC145402 15 ...

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Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of ...

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