TDA7233D
TDA7233D is 1W AUDIO AMPLIFIER manufactured by STMicroelectronics.
DESCRIPTION
The TDA7233/D is a monolithic integrated circuit in 8 pin Minidip or SO8 package, intended for use as class AB power amplifier with a wide range of supply voltage from 1.8V to 15V in portable players, cordless telephones and Cellular Radios. TEST AND APPLICATION CIRCUIT
Minidip ORDERING NUMBERS: TDA7233
SO8
Note: Switch Open = Mute Switch Closed = Play
March 1995
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This is advanced information on a new product now in development or undergoing evaluation. Details are subject to change without notice.
TDA7233
- TDA7233D
ABSOLUTE MAXIMUM RATINGS
Symbol VS IO Ptot Tstg , Tj Supply Voltage Output Peak Current Total Power Dissipation at Tamb = 50°C Storage and Junction Temperature Parameter Value 16 1 1
- 40 to 150 Unit V A W °C
PIN CONNECTIONS (Top views)
Minidip
SO8
THERMAL DATA
Symbol Rth j-amb Parameter Thermal Resistance Junction-ambient Max. SO8 200 Minidip 100 Unit °C/W
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TDA7233
- TDA7233D
ELECTRICAL CHARACTERISTICS (Vs = 6 V, Tamb = 25 °C, unless otherwise specified)
Symbol Vs Vo Parameter Supply Voltage Quiescent Out Voltage Vs = 3 V Vs = 9 V Id Ib Po Quiescent Drain Current Input Bias Current Output Power d = 10 % Vs = 12 V Vs = 9 V Vs = 9 V Vs = 6 V Vs = 6 V Vs = 3 V Vs = 3 V Po = 0.5 W f = 1 k Hz RL = 8 Ω Vs = 9 V f = 1 k Hz f = 1 k Hz B = Curve A B = 22 Hz to 22 k Hz SVR Supply Voltage Rejection MUTE Attenuation MUTE Threshold IM MUTE Current VS = 15V f = 100 Hz, Rg = 10 KΩ Vo = 1 V f = 100 Hz to 10 k Hz 100 2 3 45 70 0.6 0.4 d B d B V m A f = 1 KHz RL = 8 Ω RL = 4 Ω RL = 8 Ω RL = 8 Ω RL = 4 Ω RL = 4 Ω RL = 8 Ω MUTE HIGH MUTE LOW Test Condition Min. 1.8 2.7 1.2 4.2 3.6 0.4 100 1.9 1.6 1 0.4 0.7 110 70 0.3 n A W W W W W m W m W % 9 Typ. Max. 15 Unit V V V V m A d
Distortion
Gv R IN e N
Closed Loop Voltage Gain Input Resistance Total Input Noise (R s = 10 kΩ)
39 d B KΩ µV
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TDA7233
- TDA7233D
Figure 1: Output Power vs. Supply Voltage Figure 2: Supply Voltage Rejection vs. Frequency
Figure 3: DC Output Voltage vs. Supply...