VFD/LED DRIVER. YD329 Datasheet

YD329 Datasheet PDF, Equivalent


Part Number

YD329

Description

VFD/LED DRIVER

Manufacture

Wuxi Youda electronics

Total Page 4 Pages
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YD329 Datasheet
YOUDA INTEGRATED CIRCUIT
YD329
VFD/LED DRIVER—YD329
DESCRIPTION
The YD329 is a monolithic integrated circuit designed for signal 10-dot VFD/LED level meter drivers with a
built-in rectifying amplifier. It is suitable for AC/DC level meters such as VU meters or signal meters.
FEATURES
*High gain rectifying amplifier included (Gv>40dB);
*Constant current output;
*Wide operating voltage (12~24V);
*Minimum number of external parts required.
BLOCK DIAGRAM
18 17 16 15 14 13 12 11 10
________
++++++++
12345 6789
WuXi YouDa Electronics Co., Ltd
Add: No.5 Xijin Road, National Hi-Tech Industrial Development Zone, Wuxi Jiangsu China
Tel: 86-510-5205117 86-510-5205108 Fax: 86-510-5205110
Website: www.e-youda.com
SHENZHEN OFFICE Tel 86-755-83740369 13823533350 Fax 86-755-83741418
Ver 3.1
1 of 4
2004-9-20

YD329 Datasheet
YOUDA INTEGRATED CIRCUIT
ABSOLUTE MAXIMUM RATINGS (Tamb=25 )
PARAMETER
Supply Voltage
Amplifier Output Current
Comparator Output Current
Power dissipation
Operating Temperature
Storage Temperature
SYMBOL
VCC
IO
Iom
PD
Topr
Tstg
VALUE
24
10
20
1200
-10 +60
-10 +125
YD329
UNIT
V
mA
mA
mW
ELECTRICAL CHARACTERISTICS
(Tamb=25 , Vcc=9V, f=1kHz, Rg=600 , Dual Channel , Unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNIT
Supply Voltage
Vcc
12
Supply Current
Iccq
Amplifier Bias Current
Ib
Vin-=12V, Vin+=0V
Vin-=0V, Vin+=12V
Amplifier Output
Current
Io Vin+=12V, Vin-=0V, Vo=13V
Comparator Output
Current
Iom Vin+=12V, Vin-=0V, VO 13V
Comparator Output Leak
Current
Iole
Vin+=0V, Vin-=12V
Reference Voltage
Vref
Vcc=12 18V
9
Comparator Output
Current
VOH
Ion=7.5mA, Vin+=12V,
Vin-=0V
13
Amplifier Open Loop
Gain
Gvo
40
24 V
15 mA
10
A
10
5 mA
7.5 mA
50 A
11 V
V
dB
Comparator Difference
-20 +20 %
WuXi YouDa Electronics Co., Ltd
2 of 4
Website: www.e-youda.com


Features Datasheet pdf YOUDA INTEGRATED CIRCUIT YD329 VFD/LED DRIVER—YD329 DESCRIPTION The YD329 i s a monolithic integrated circuit desig ned for signal 10-dot VFD/LED level met er drivers with a built-in rectifying a mplifier. It is suitable for AC/DC leve l meters such as VU meters or signal me ters. FEATURES *High gain rectifying am plifier included (Gv>40dB); *Constant c urrent output; *Wide operating voltage (12~24V); *Minimum number of external p arts required. BLOCK DIAGRAM 18 17 16 1 5 14 13 12 11 10 ________ ++++++++ __ ++ 12345 6789 WuXi YouDa Electronics Co., Ltd Add: No.5 Xijin Road, Nation al Hi-Tech Industrial Development Zone, Wuxi Jiangsu China Tel: 86-510-520511 7 86-510-5205108 Fax: 86-510-5205110 W ebsite: www.e-youda.com SHENZHEN OFFIC E Tel 86-755-83740369 13823533350 Fax 8 6-755-83741418 Ver 3.1 1 of 4 2004-9 -20 YOUDA INTEGRATED CIRCUIT ABSOLUTE MAXIMUM RATINGS (Tamb=25 ) PARAMETER Supply Voltage Amplifier Output Current Comparator Output Current Power dissipation Operating Temperat.
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