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參數資料
| 型號： | WM5620L |
| 廠商： | Wolfson Microelectronics |
| 英文描述： | TVS ZENER BIDIRECT 600W 11V SMB |
| 中文描述： | 3 |
| 文件頁數： | 1/14頁 |
| 文件大?。?/td> | 362K |
| 代理商： | WM5620L |
Lutton Court, Bernard Terrace, Edinburgh EH8 9NX, UK
Tel: +44 (0) 131 667 9386 Fax: +44 (0) 131 667 5176
email: admin@wolfson.co.uk
www: http://www.wolfson.co.uk
Description
WM5620L and WM5620 are quad 8-bit digital to analogue
converters (DAC) controlled via a serial interface. Each
DAC's output voltage range isprogrammable for either x1
or x 2 its reference input voltage, allowing near rail to rail
operation for the x 2 output range. Separate high
impedance buffered voltage reference inputs are provided
for each DAC. WM5620L operates on a single supply
voltage of 3 V while WM5620 operates on 5 V.
WM5620/L interfaces to all popular microcontrollers and
microprocessors via a three wire serial interface with CMOS
compatible, schmitt trigger, digital inputs. An 11 bit
command word comprises 2 DAC select bits, an output
range selection bit and 8-bits of data.
Individual or all DAC outputs are changed using WM5620/
L's double buffered DAC registers and the separate LOAD
and LDAC inputs. DAC outputs are updated
simultaneously by writing a complete set of new values
and then pulsing the LDAC input.
The DAC outputs are optimised for single supply
operation and driving ground referenced loads.
An internal power-on-reset function sets the DAC's input
codes to zero at power up.
Ideal in space critical applications WM5620/L is available
in small outline and DIP packages for commercial (0
o
C to
70
o
C) and industrial (-40
o
C to 85
o
C) temperature ranges.
Four 8-bit voltage output DAC's
Three wire serial interface
Programmable x1 or x 2 output range.
Power-on-reset sets outputs to zero
Buffered voltage reference inputs
Simultaneous DAC output update
14 pin SO or DIP package
Key Specifications
Single supply operation:
WM5620L
WM5620
0 to 4 V output (x 2 output range) at 5 V VDD
0 to 2.5 V output (x 2 output range) at 3 V VDD
Low power: 5.1 mW at 3 V, 10 mW at 5 V max.
Guaranteed monotonic output
: 3 V
: 5 V
Applications
Programmable d.c. voltage sources
Digitally controlled attenuator/amplifier
Signal synthesis
Mobile communications
Automatic test equipment
Process control
3 & 5V Quad 8-Bit Voltage Output DAC
with Serial Interface
Features
Wolfson Microelectronics
Production Data
Sept. 1996 Rev 2
1996 Wolfson Microelectronics
WM5620L, WM5620
Production Data
data sheets contain
final specifications current on publication
date. Supply of products conforms to
Wolfson Microelectronics standard terms
and conditions
DAC
DAC
DAC
DAC
Latch
Latch
Latch
Latch
Latch
Latch
Latch
Latch
x 2
x 2
x 2
x 2
Serial Interface
Power-on-Reset
9
9
9
9
8
8
8
8
Ref A
2
3
4
Ref B
Ref C
5
Ref D
C lk
Data
Load
7
6
8
DAC A
12
11
DAC B
10
DAC C
DAC D
9
V
DD
14
13
LDAC
GND
1
Block Diagram
相關PDF資料 |
PDF描述 |
|---|---|
| WM5620LCD | TVS UNIDIRECT 600W 120V SMB |
| WM5620LCN | TVS BIDIRECT 600W 120V SMB |
| WM5620LID | DIODE, TVS, 600W, VBR=13.3-14.7 31A 1PS |
| WM5620LIN | 3 & 5V Quad 8-Bit Voltage Output DAC with Serial Interface |
| WM5621LED | Low-power Quadruple 8-Bit DAC |
相關代理商/技術參數 |
參數描述 |
|---|---|
| WM5620LCD | 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:3 & 5V Quad 8-Bit Voltage Output DAC with Serial Interface |
| WM5620LCN | 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:3 & 5V Quad 8-Bit Voltage Output DAC with Serial Interface |
| WM5620LID | 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:3 & 5V Quad 8-Bit Voltage Output DAC with Serial Interface |
| WM5620LIN | 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:3 & 5V Quad 8-Bit Voltage Output DAC with Serial Interface |
| WM5621L | 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:Low-power Quadruple 8-Bit DAC |
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