A6812ELW

更新时间： 2024-11-17 22:38:55

品牌	Logo	应用领域
急速微 - ALLEGRO		驱动器输入元件
页数	文件大小	规格书
10页	179K
描述
DABiC-IV, 20-BIT SERIAL-INPUT, LATCHED SOURCE DRIVER

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A6812ELW 数据手册

6812

DABiC-IV, 20-BIT SERIAL-INPUT,

LATCHED SOURCE DRIVER

The A6812– devices combine a 20-bit CMOS shift register,

accompanying data latches and control circuitry with bipolar sourcing

outputs and pnp active pull downs. Designed primarily to drive

vacuum-fluorescent displays, the 60 V and -40 mA output ratings also

allow these devices to be used in many other peripheral power driver

applications. The A6812– features an increased data input rate (com-

pared with the older UCN/UCQ5812-F) and a controlled output slew

rate.

A6812xA

LOGIC

SUPPLY

LOAD

SUPPLY

SERIAL

DATA IN

SERIAL

DATA OUT

26 OUT

25 OUT

24 OUT

23 OUT

OUT

The CMOS shift register and latches allow direct interfacing with

microprocessor-based systems. With a 3.3 V or 5 V logic supply, they

will operate to at least 10 MHz.

OUT

A CMOS serial data output permits cascade connections in applica-

tions requiring additional drive lines. Similar devices are available as

the A6809– and A6810– (10 bits), A6811– (12 bits), and A6818– (32

bits).

OUT

The A6812– output source drivers are npn Darlingtons, capable of

sourcing up to 40 mA. The controlled output slew rate reduces electro-

magnetic noise, which is an important consideration in systems that

include telecommunications and/or microprocessors and to meet

government emissions regulations. For inter-digit blanking, all output

drivers can be disabled and all sink drivers turned on with a BLANK-

ING input high. The pnp active pull-downs will sink at least 2.5 mA.

OUT

17 OUT

2186

BLANKING

GROUND

BLNK

STROBE

15 CLOCK

CLK

Dwg. PP-029-7

Two temperature ranges are available for optimum performance in

commercial (suffix S-) or industrial (suffix E-) applications. Package

styles are provided for through-hole DIP (suffix -A), surface-mount

SOIC (suffix -LW), or minimum-area surface-mount PLCC (suffix

-EP). Copper lead frames, low logic-power dissipation, and low

output-saturation voltages allow these drivers to source 25 mA from all

outputs continuously to more than +43°C (suffix -LW), +61°C (suffix

-EP), or +77°C (suffix -A).

ABSOLUTE MAXIMUM RATINGS

at T_A= 25°C

Logic Supply Voltage, V_DD................... 7.0 V

Driver Supply Voltage, V_BB................... 60 V

Continuous Output Current Range,

_OUT......................... -40 mA to +15 mA

Input Voltage Range,

V_IN....................... -0.3 V to V_DD+ 0.3 V

Package Power Dissipation,

P_D........................................ See Graph

Operating Temperature Range, T_A

(Suffix ‘E–’) .................. -40°C to +85°C

(Suffix ‘S–’) .................. -20°C to +85°C

Storage Temperature Range,

T_S............................... -55°C to +125°C

FEATURES

I Controlled Output Slew Rate

I High-Speed Data Storage

I 60 V Minimum

Output Breakdown

I High Data Input Rate

I PNP Active Pull-Downs

I Low Output-Saturation Voltages

I Low-Power CMOS Logic

and Latches

I Improved Replacements

for TL5812–, UCN5812–,

and UCQ5812–

Caution: These CMOS devices have input static

protection (Class 2) but are still susceptible to

damage if exposed to extremely high static

electrical charges.

Complete part number includes a suffix to identify operating

temperature range (E- or S-) and package type (-A, -EP, or -LW).

Always order by complete part number, e.g., A6812SLW .

12 3 4 5 6 7...10

中文翻译

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A6812ELW 替代型号

型号	品牌	替代类型	描述	数据表
HV5812WG-G	SUPERTEX	类似代替	Vacuum Fluorescent Driver, 20-Segment, CMOS, PDSO28, 17.90 X 7.50 MM, 2.65 MM HEIGHT, 1.27

与A6812ELW相关器件

型号	品牌	获取价格	描述	数据表
A6812ELW-T	ALLEGRO	获取价格	Vacuum Fluorescent Driver, 20-Segment, CMOS, PDSO28, LEAD FREE, MS-013AE, SOIC-28
A6812ELWTR	ALLEGRO	获取价格	Vacuum Fluorescent Driver, 20-Segment, CMOS, PDSO28, MS-013AE, SOIC-28
A6812KA	ETC	获取价格	VACUUM FLUORESCENT DISPLAY DRIVER\|BICMOS\|DIP\|28PIN\|PLASTIC
A6812KEP	ETC	获取价格	VACUUM FLUORESCENT DISPLAY DRIVER\|BICMOS\|LDCC\|28PIN\|PLASTIC
A6812KEP-T	ALLEGRO	获取价格	Vacuum Fluorescent Driver, 20-Segment, BIPolar, PQCC28, LEAD FREE, PLASTIC, LCC-28
A6812KLW	ETC	获取价格	VACUUM FLUORESCENT DISPLAY DRIVER\|BICMOS\|SOP\|28PIN\|PLASTIC
A6812KLW-T	ALLEGRO	获取价格	Vacuum Fluorescent Driver, 20-Segment, CMOS, PDSO28, LEAD FREE, MS-013AE, SOIC-28
A6812KLWTR	ALLEGRO	获取价格	Vacuum Fluorescent Driver, 20-Segment, CMOS, PDSO28, MS-013AE, SOIC-28
A6812KLWTR-T	ALLEGRO	获取价格	暂无描述
A6812SA	ALLEGRO	获取价格	DABiC-IV, 20-BIT SERIAL-INPUT, LATCHED SOURCE DRIVER

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