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| Datasheet File OCR Text: |
| NTE1667 Integrated Circuit 2 Channel Amp, 2.3W/Ch (4.7W BTL) Features: D Has Two Channels that can be used for Either Stereo or Bridge Amplifier D High Outputs: 2 Channel (2.3W/Ch @ VCC = 9V, RL = 4) Bridge Amp (4.7W @ VCC = 9V, RL = 8) D Voltage Gain is Variable by Externally Connected Feedback Resistors: 2 Channel (RNF = 27, VG = 50dB) Bridge Amp (RNF = 51, VG = 51dB) D Switching Distortions in Higher Frequencies have been Held Low D The Built-In Muting Circuit Keeps Noise caused by Turning Power ON and OFF at Low Levels D The Built-In Ripple Filter Provides Good Ripple Rejection Factors D Excels in Channel Separation Absolute Maximum Ratings: (TA = +25C unless otherwise specified) Maximum Power Supply Voltage, VCCmax With Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11V With No Signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15V Allowable Power Dissipation, PDmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4W Operating Ambient Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -20 to +75C Storage Ambient Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55 to +150C Recommended Operating Conditions: (TA = +25C unless otherwise specified) Recommended Power Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9V Load Resistance, RL 2 Channel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 to 8 Bridge Amp . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Electrical Characteristics: (TA = +25C, VCC = 9V, f = 1kHz, Rg = 600 unless otherwise specified Parameter Quiescent Current Symbol ICCO Test Conditions 2 Channel, RL = 4 6V 7.5V Voltage Gain 2 Channel Bridge Amp Voltage Gain Imbalance Power Output 2 Channel VG PO 2 Channel, RL = 4 THD = 10% RL = 4 RL = 8 Bridge Amp Total Harmonic Distortion Input Resistance Output Noise Voltage THD ri VNO Rr 2 Channel, PO = 250mW, RL = 4 RL = 4 2 Channel, RL = 4 2 Channel, Rg = 0, VR = 150mV, RL = 4 Rg = 0 Rg = 10k Ripple Rejection Channel Separation CH sep 2 Channel, Rg = 10k, vo = 0dBm, RL = 4 Pin Connection Diagram BTL Output 1 16 VCC 15 Output 1 14 Bootstrap 1 13 Power Amp GND 12 Power Amp GND 11 NF 1 10 Input 1 9 Preamp GND VG Closed Loop, RNF = 27, VIN = -51dBm RL = 4 RL = 8 Min - - 48 49 - 1.7 - - - 21 - - - 40 Typ 35 40 50 51 - 2.3 1.3 4.7 0.5 30 0.5 0.8 46 55 Max Unit 55 - 52 53 2 - - - 2.0 - 1.3 2.5 - - mA mA dB dB dB W W W % k mV mV dB dB Output 2 2 Bootstrap 2 3 Power Amp GND Power Amp GND 4 5 NF 2 6 Input 2 7 DC 8 .202 (5.12) 16 1 9 8 .770 (19.5) Max .254 (6.45) .168 (4.26) Max .100 (2.54) .141 (3.6) .700 (17.78) .138 (3.5) .300 (7.62) |
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