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參數資料
| 型號： | MC145050P |
| 廠商： | MOTOROLA INC |
| 元件分類： | ADC |
| 英文描述： | 10-Bit A/D Converter with Serial Interface |
| 中文描述： | 11-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDIP20 |
| 封裝： | PLASTIC, DIP-20 |
| 文件頁數： | 1/15頁 |
| 文件大小： | 181K |
| 代理商： | MC145050P |
MC145050 MC145051
MOTOROLA WIRELESS SEMICONDUCTOR
SOLUTIONS DEVICE DATA
1
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
μ
s (with 2.1 MHz ADCLK)
MC145051 — 44
μ
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.
Order this document
by MC145050/D
SEMICONDUCTOR TECHNICAL DATA
PIN ASSIGNMENT
*ADCLK (MC145050); EOC (MC145051)
P SUFFIX
PLASTIC
CASE 738
DW SUFFIX
SOG
CASE 751D
AN5
AN3
AN2
AN1
AN0
VSS
AN8
AN7
AN6
AN4
5
4
3
2
1
10
9
8
7
6
14
15
16
17
18
19
20
11
12
13
Dout
Din
SCLK
*
VDD
AN9
AN10
VAG
Vref
CS
ORDERING INFORMATION
MC14505xP
MC14505xDW
Plastic DIP
SOG Package
REV 2
1/99
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