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TEA2025D

P1-P3P4-P6P7-P9P10-P11
1/11
TEA2025
April 2010
1 FEATURES
DUAL OR BRIDGE CONNECTION MODES
FEW EXTERNAL COMPONENTS
SUPPLY VOLTAGE DOWN TO 3V
HIGH CHANNEL SEPARATION
VERY LOW SWITCH ON/OFF NOISE
MAX GAIN OF 45dB WITH ADJUST
EXTERNAL RESISTOR
SOFT CLIPPING
THERMAL PROTECTION
3V < VCC < 15V
P = 2 · 1W, V
CC
= 6V, R
L
= 4Ω
P = 2 · 2.3W, V
CC
= 9V, RL = 4Ω
P = 2 · 0.1W, V
CC
= 3V, RL = 4Ω
2 DESCRIPTION
The TEA2025B/D is a monolithic integrated circuit
in 12+2+2 Powerdip and 12+4+4 SO, intended for
use as dual or bridge power audio amplifier porta-
ble radio cassette players.
STEREO AUDIO AMPLIFIER
Figure 2. Block Diagram
DECOUPLING
11
-
+
2
-
+
2
THERMAL
PROTECT.
START
CIRCUIT
10KΩ
10KΩ
50Ω
50Ω
5KΩ
50Ω
SVR
IN 2+
FEED GND GND BOOT 2 OUT 2
BRIDGE
V
S+
OUT 1BOOT 1GNDGNDFEEDIN 1+GND(Sub)
D94AU120
Rev. 3
Fi
gure 1.
P
ac
k
age
Table 1. Order Codes
Part Number Package
TEA2025B PowerDIP 12+2+2
TEA2025D SO20 12+4+4
TEA2025D013TR SO16 in Tape & Reel
PowerDIP16
SO20
TEA2025
2/11
Table 2. Absolute Maximum Ratings
Figure 3. PIN CONNECTION POWERDIP12+2+2
Figure 4. PIN CONNECTION SO12+4+4
Table 3. Thermal Data
Note: 1. The R
th j-amb
is measured with 4sq cm copper area heatsink
2. The R
th j-amb
is measured on devices bonded on a 10 x 5 x 0.15cm glass-epoxy substrate with a 35µm thick copper surface of 5 cm
2
Symbol Parameter Value Unit
V
S
Supply Voltage 15 V
I
O
Ouput Peak Current 1.5 A
T
J
Junction Temperature 150 °C
T
stg
Storage Temperature 150 °C
Symbol Description
SO 12+4+4
(1)
PDIP 12+2+2
(2)
Unit
R
th j-case
Thermal Resistance Junction-case Max 15 15 °C/W
R
th j-amb
Thermal Resistance Junction-ambient Max 65 60 °C/W
BRIDGE
OUT 2
BOOT 2
GND
GND
GND
GND
FEEDBACK
IN 2(+)
1
3
2
4
5
6
7
8
9 IN 1(+)
FEEDBACK
GND
GND
GND
GND
BOOT 1
OUT 1
V
CC
20
19
18
17
16
14
15
13
12
D94AU119
SVR 10 GND(Sub)11
3/11
TEA2025
Table 4. Electrical Characteristcs (T
amb
= 25°C, V
CC
= 9V, Stereo unless otherwise specified)
Table 5.
Symbol Parameter Test Conditions Min. Typ. Max. Unit
V
S
Supply Voltage 3 12 V
I
Q
Quiescent Current 35 50 mA
V
O
Quiescent Output Voltage 4.5 V
A
V
Voltage Gain Stereo 43 45 47 dB
Bridge 49 51 53 dB
∆A
V
Voltage Gain Difference ±1 dB
R
j
Input Impedance 30 KΩ
P
O
Output Power (d = 10%) Stereo 8 (per channel) 9V 4Ω 1.7 2.3 W
9V 8Ω 1.3 W
6V 4Ω 0.7 1 W
6V 8Ω 0.6 W
6V 16Ω 0.25 W
6V 32Ω 0.13 W
3V 4Ω 0.1 W
3V 32Ω 0.02 W
12V 8Ω 2.4 W
Bridge 9V 8Ω 4.7 W
6V 4Ω 2.8 W
6V 8Ω 1.5 W
3V 16Ω 0.18 W
3V 32Ω 0.06 W
dDistortion Vs = 9V; R
L
= 4Ω Stereo
Bridge
0.3
0.5
1.5 %
SVR Supply Voltage Rejection f = 100Hz, V
R
= 0.5V, R
g
= 0 40 46 dB
E
N(IN)
Input Noise Voltage R
G
= 0 1.5 3 mV
R
G
= 10 4Ω 36mV
CT Cross-Talk f = 1KHz, R
g
= 10KΩ 40 52 dB
Te r m . N° (PDIP)1 23456 7 8910111213141516
DC VOLT (V) 0.04 4.5 8.9 0 0 0.6 0.04 8.5 0 0.04 0.6 0 0 8.9 4.5 9
P1-P3P4-P6P7-P9P10-P11

TEA2025D

Mfr. #:
Buy TEA2025D
Manufacturer:
STMicroelectronics
Description:
Audio Amplifiers Stereo Audio Amp
Lifecycle:
New from this manufacturer.
Delivery:
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