TDA7233 datasheet(2/8 Pages) STMICROELECTRONICS

Part #	TDA7233

Description	1W AUDIO AMPLIFIER WITH MUTE

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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TDA7233

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Table 2. Absolute Maximum Ratings

Figure 3. PIN CONNECTIONS (top view)

Table 3. Thermal Data

Table 4. Electrical Characteristcs (Vs = 6 V, Tamb = 25 °C, unless otherwise specified)

Symbol

Parameter

Value

Unit

VS

Supply Voltage

16

V

Ptot

Total Power Dissipation at Tamb = 50 °C

1

W

IO

Output Peak Current

1

A

Tstg, Tj

Storage and Junction Temperature

-40 to 150

°C

Symbol

Parameter

SO8

MInidip

Unit

Rth j-amb

Thermal Resistance Junction-ambient

Max.

200

100

°C/W

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

VS

Supply Voltage

1.8

15

V

VO

Quiescent Output Voltage

Vs = 3 V

Vs = 9 V

2.7

1.2

4.2

V

Id

Quiescent Drain Current

MUTE HIGH

3.6

9

mA

MUTE LOW

0.4

mA

Ib

Input Bias Current

100

nA

PO

Output Power

d = 10%; f = 1kHz

Vs = 12V; RL = 8

Ω

Vs = 9V; RL = 4

Ω

Vs = 9V; RL = 8

Ω

Vs = 6V; RL = 8

Ω

Vs = 6V; RL = 4

Ω

Vs = 3V; RL = 4

Ω

Vs = 3V; RL = 8

Ω

1.9

1.6

1

0.4

0.7

110

70

W

mW

d

Distortion

Po = 0.5W; f = 1KHz; RL = 8

Ω

Vs = 9V

0.3

%

Gv

Closed Loop Voltage Gain

f = 1KHz;

39

dB

Rin

Input Resistance

f = 1KHz;

100

K

Ω

eN

Total Input Noise

Rs = 10K

Ω; B = Curve A

Rs = 10K

Ω; B = 22Hz to 22KHz

2

3

µV

SVR

Supply Voltage Rejection

f = 100Hz; Rg = 10K

Ω

45

dB

MUTE Attenuation

Vo = 1V; f = 100Hz to 10KHz;

70

dB

MUTE Threshold

0.6

V

IM

MUTE Current

Vs = 15V

0.4

mA

Minidip

SO8

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