Princeton Technology Corp.
5-Mode Preset Equalizer IC
Tel : 886-2-29162151
Fax: 886-2-29174598
URL:
http://www.princeton.com.tw
PT2388
DESCRIPTION
PT2388 is a 2-channel digital preset equalizer utilizing CMOS Technology. It provides 5 different
sound selections, namely: Flat/Normal, Rock, Pops, Classic and Jazz. A Bass Booster may be added to
any of 5 sound selections, thereby creating more audio versatility. PT2388 provides two types of key
selection mode, namely: the Direct and the Cyclic. Pin assignment and application circuit are optimized
for cost saving advantages and easy PCB layout.
FEATURES
n
CMOS Technology
n
Low Total Harmonic Distortion and High S/N Ratio: THD + N < 0.02%, S/N > 95 dB
n
LED Display Output Mode
n
Least External Components
n
5 Sound Selections Provided: Flat/Normal, Classic, Rock, Pops, and Jazz
n
Bass Booster Function
n
2-Channel Output
n
Wide Operating Voltage Range: 5 ~9 V
n
Direct or Cyclic Key Selection is Provided
n
Available in DIP or SO Package
APPLICATIONS
nWalkman
nCar
Audio
nFader
nMultimedia
Audio Components
nMPEG
Card
PT2388 v 1.3
Page 1
Written October 1999
Princeton Technology Corp.
5-Mode Preset Equalizer IC
Tel : 886-2-29162151
Fax: 886-2-29174598
URL:
http://www.princeton.com.tw
PT2388
PIN CONFIGURATION
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
IN L
B L1
B L2
TL
OUTL
VCC
B IAS
GND
S EL
M U TE
CYC
BB
IN R
BR1
BR2
TR
OUTR
JA ZZ
C LA SS IC
POPS
ROCK
FLAT
B LED
NC
PT 2388
ORDER INFORMATION
Valid Part N umber
PT2388
PT2388- S
Package
24 Pins, DIP (300 mil)
24 Pins, SO (300 mil)
PT2388 v 1.3
Page 2
Written October 1999
Princeton Technology Corp.
5-Mode Preset Equalizer IC
Tel : 886-2-29162151
Fax: 886-2-29174598
URL:
http://www.princeton.com.tw
PT2388
APPLICATION CIRCUIT
Direct Key Mode
Note: Please use 0.068uF , 1500pF Mylar Capacitors.
PT2388 v 1.3
Page 3
Written October 1999
Princeton Technology Corp.
5-Mode Preset Equalizer IC
Tel : 886-2-29162151
Fax: 886-2-29174598
URL:
http://www.princeton.com.tw
PT2388
APPLICATION CIRCUIT
Cyclic Key Mode
Note: Please use 0.068uF, 1500pF Mylar Capacitors.
PT2388 v 1.3
Page 4
Written October 1999