MC145051

更新时间： 2024-11-08 22:58:11

品牌	Logo	应用领域
摩托罗拉 - MOTOROLA		转换器
页数	文件大小	规格书
15页	185K
描述
10-Bit A/D Converter with Serial Interface

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MC145051 数据手册

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by MC145050/D

SEMICONDUCTOR TECHNICAL DATA

CMOS

P SUFFIX

PLASTIC

CASE 738

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.

DW SUFFIX

SOG

CASE 751D

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.

ORDERING INFORMATION

MC14505xP

MC14505xDW SOG Package

Plastic DIP

•

11 Analog Input Channels with Internal Sample-and-Hold

Operating Temperature Range: – 40 to 125° C

Successive Approximation Conversion Time:

MC145050 — 21 µs (with 2.1 MHz ADCLK)

MC145051 — 44 µs 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

PIN ASSIGNMENT

*ADCLK (MC145050); EOC (MC145051)

•

AN0

AN1

AN2

AN3

AN4

•

SCLK

•

out

AN5

AN6

ref

AN7

AN8

AN10

AN9

MICROWIRE is a trademark of National Semiconductor Corp.

REV 2

1/99

MC145050 MC145051

MOTOROLA WIRELESS SEMICONDUCTOR

SOLUTIONS DEVICE DATA

Motorola, Inc. 1998

12 3 4 5 6 7...15

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