MC145051DW

Manufacturer Part NumberMC145051DW
Description10-bit A/D converter with serial interface, conversion time: 44 us
ManufacturerMotorola
MC145051DW datasheet
 


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MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
10 Bit A/D Converter
with Serial Interface
CMOS
These ratiometric 10-bit ADCs have serial interface ports to provide
communication with MCUs and MPUs. Either a 10- or 16-bit format can be
used . The 16-bit format can be one continuous 16-bit stream or two intermittent
8-bit streams. The converters operate from a single power supply with no
external trimming required. Reference voltages down to 4.0 V are accommo-
dated.
The MC145050 has the same pin out as the 8-bit MC145040 which allows an
external clock (ADCLK) to operate the dynamic A/D conversion sequence. The
MC145051 has the same pin out as the 8-bit MC145041 which has an internal
clock oscillator and an end-of-conversion (EOC) output.
11 Analog Input Channels with Internal Sample-and-Hold
Operating Temperature Range: – 40 to 125 C
Successive Approximation Conversion Time:
MC145050 — 21 s (with 2.1 MHz ADCLK)
MC145051 — 44 s Maximum
Maximum Sample Rate: MC145050 — 38 ks/s
MC145051 — 20.4 ks/s
Analog Input Range with 5-Volt Supply: 0 to 5 V
Monotonic with No Missing Codes
Direct Interface to Motorola SPI and National MICROWIRE Serial Data
Ports
Digital Inputs/Outputs are TTL, NMOS, and CMOS Compatible
Low Power Consumption: 14 mW
Chip Complexity: 1630 Elements (FETs, Capacitors, etc.)
See Application Note AN1062 for Operation with QSPI
MICROWIRE is a trademark of National Semiconductor Corp.
REV 2
1/99
MOTOROLA WIRELESS SEMICONDUCTOR
Motorola, Inc. 1998
SOLUTIONS DEVICE DATA
Order this document
by MC145050/D
MC145050
MC145051
P SUFFIX
PLASTIC
CASE 738
DW SUFFIX
SOG
CASE 751D
ORDERING INFORMATION
MC14505xP
Plastic DIP
MC14505xDW SOG Package
PIN ASSIGNMENT
*ADCLK (MC145050); EOC (MC145051)
AN0
1
20
V DD
AN1
2
19
*
AN2
3
18
SCLK
AN3
4
17
D in
AN4
5
16
D out
AN5
6
15
CS
AN6
7
14
V ref
AN7
8
13
V AG
AN8
9
12
AN10
V SS
AN9
10
11
MC145050 MC145051
1

MC145051DW Summary of contents