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ML145053 参数 Datasheet PDF下载

ML145053图片预览
型号: ML145053
PDF下载: 下载PDF文件 查看货源
内容描述: 10位A / D转换器,串行接口CMOS [10-Bit A/D Converter With Serial Interface CMOS]
分类和应用: 转换器
文件页数/大小: 15 页 / 804 K
品牌: LANSDALE [ LANSDALE SEMICONDUCTOR INC. ]
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ML145053
10-Bit A/D Converter With
Serial Interface
CMOS
Legacy Device:
Motorola MC145053
This ratiometric 10-bit ADC has a serial interface port to provide commu-
nication with MCUs and MPUs. Either a 10- or 16-bit format can be used.
The16-bit format can be one continuous 16-bit stream or two intermittent 8-
bit streams. The converter operates from a single power supply with no exter-
nal trimming required. Reference voltages down to 4.0 V are accommodated.
The ML145053 has an internal clock oscillator to operate the dynamic A/D
conversion sequence and an end-of-conversion (EOC) output.
5 Analog Input Channels with Internal Sample-and-Hold
Operating Temperature Range: TA – 40 to 125°C
Successive Approximation Conversion Time: 44 µs Maximum
Maximum Sample Rate: 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 DataPorts
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
BLOCK DIAGRAM
Vref
MUX OUT
VAG
P DIP 14 = CP
PLASTIC
CASE 646
SOG 14 = -5P
SOG
CASE 751A
CROSS REFERENCE/ORDERING INFORMATION
MOTOROLA
PACKAGE
LANSDALE
P DIP 14
MC145053P
ML145053CP
SOG 14
MC145053D
ML145053-5P
Note:
Lansdale lead free (Pb) product, as it
becomes available, will be identified by a part
number prefix change from
ML
to
MLE.
PIN ASSIGNMENT
EOC
AN0
AN1
AN2
AN3
AN4
VSS
1
2
3
4
5
6
7
14 VDD
13 SCLK
12 Din
11 Dout
10 CS
9 Vref
8 VAG
9
8
10–BIT RC DAC
WITH SAMPLE AND HOLD
INTERNAL
TEST
VOLTAGES
2
AN0
3
AN1
ANALOG
4
MUX
AN2
5
AN3
6
AN4
AN5
AN6
AN7
Din 12
Dout 11
CS
SCLK
EOC
10
13
1
SUCCESSIVE APPROXIMATION
REGISTER
MUX ADDRESS
REGISTER
PIN 14 = VDD
PIN 7 = VSS
DATA REGISTER
AUTO–ZEROED
COMPARATOR
DIGITAL CONTROL
LOGIC
MICROWIRE is a trademark of National Semiconductor Corp.
Page 1 of 15
www.lansdale.com
Issue A