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Supply Voltage: | 35 V | Output Peak Current (repetitive F >20Hz): | 2.5 A |
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Output Peak Current: | 3.5 A | Total Power Dissipation (Tcase = 70°C): | 25 W |
Operating Temperature Range: | 0 To 70°C | Storage & Junction Temperature: | -40 To 150 °C |
High Light: | electronics ic chip,integrated circuit components |
8W AMPLIFIER WITH MUTING
* WIDE SUPPLY VOLTAGE RANGE
* 8W @ VS=26V, RL = 8Ω, THD=10%
* MUTE FACILITY (POP FREE) WITH LOW CONSUMPTION
* AC SHORT CIRCUIT PROTECTION
* THERMAL OVERLOAD PROTECTION (150°C)
DESCRIPTION
The TDA7253 is class AB audio power amplifier assembled in the new Clipwatt package.
APPLICATION CIRCUIT
ABSOLUTE MAXIMUM RATINGS
Symbol | Parameter | Value | Unit |
VS | Supply Voltage | 35 | V |
IO | Output Peak Current (repetitive f >20Hz) | 2.5 | A |
IO | Output Peak Current (non repetitive, t = 100µs) | 3.5 | A |
Ptot | Total Power Dissipation (Tcase = 70°C) | 25 | W |
Top | Operating Temperature Range | 0 to 70 | °C |
Tstg,Tj | Storage & Junction Temperature | -40 to 150 | °C |
PIN CONNECTION (Top view)
Figure 1: ApplicationCircuit
ELECTRICAL CHARACTERISTICS (Refer to the test and application circuit, VS = 26V; RL = 8Ω; Gv = 30dB; f = 1KHz; Tamb = 25°C unless otherwise specified.)
Symbol | Parameter | Test Condition | Min. | Typ. | Max. | Unit |
VS | Supply Voltage | 10 | 32 | V | ||
VO | Quiescent Output Voltage | 12.5 | V | |||
Iq | Total Quiescent Current | 40 | mA | |||
PO | Output Power |
d = 10% d = 1% |
8 |
10 8 |
W W |
|
d | Total Harmonic Distortion | PO = 1W | 0.03 | % | ||
RI | Input Resistance | 100 | 200 | KΩ | ||
fL | Low Frequency Roll-off (-3dB) | 40 | Hz | |||
fH | High Frequency Roll-off (-3dB) | 80 | KHz | |||
eN | Total Input Noise Voltage | A Curve; RS = 10KΩ | 2 | mV | ||
f = 22Hz to 22KHz; RS = 10KΩ | 2.5 | 10 | µV | |||
SVR | Supply Voltage Rejection | RS = 10KΩ; f = 100Hz; Vr = 0.5V | 60 | dB | ||
VTMUTE | Mute Threshold | 0.8 | V | |||
VTPLAY | Play Threshold | 5 | V | |||
AM | Mute Attenuation | 80 | 100 | dB | ||
IqMUTE | Quiescent Current Mute | 7 | 10 | mA |
Note: to avoid pop-on noise CF/CSVR ≤ 1
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