MC34119P
MC34119P Datasheet
Order this document by MC34119/D
| Part | Datasheet |
|---|---|
MC34119P |
MC34119P (pdf) |
| Related Parts | Information |
|---|---|
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MC34119D |
MC34119D |
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MC34119DTBR2 |
MC34119DTBR2 |
| PDF Datasheet Preview |
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| Order this document by MC34119/D Low Power Audio Amplifier The MC34119 is a low power audio amplifier intergrated circuit intended primarily for telephone applications, such as in speakerphones. It provides differential speaker outputs to maximize output swing at low supply voltages V minimum . Coupling capacitors to the speaker are not required. Open loop gain is 80 dB, and the closed loop gain is set with two external resistors. A Chip Disable pin permits powering down and/or muting the input signal. The MC34119 is available in standard DIP, SOIC package, and TSSOP package. • Wide Operating Supply Voltage Range V to 16 V , Allows Telephone Line Powered Applications • Low Quiescent Supply Current mA Typ for Battery Powered Applications • Chip Disable Input to Power Down the IC • Low Quiescent Current 65 µA Typ • Drives a Wide Range of Speaker Loads and Up • Output Power Exceeds 250 mW with 32 Speaker • Low Total Harmonic Distortion Typ • Gain Adjustable from <0 dB to >46 dB for Voice Band • Requires Few External Components MAXIMUM RATINGS Rating Supply Voltage Maximum Output Current at VO1, VO2 Maximum Voltage Vin, FC1, FC2, CD Applied Output Voltage to VO1, VO2 when disabled Junction Temperature NOTE ESD data available upon request. Value Unit to +18 ±250 VCC + Vdc VCC + +140 MC34119 LOW POWER AUDIO AMPLIFIER SEMICONDUCTOR TECHNICAL DATA P SUFFIX PLASTIC PACKAGE CASE 626 D SUFFIX PLASTIC PACKAGE CASE 751 DTB SUFFIX PLASTIC PACKAGE CASE 948J TSSOP Block Diagram and Simplified Application Rf 75 k 6 VCC Audio Input C1 µF C2* µF * = Optional Differential Gian = 2 x 5 VO1 Speaker 125 k 8 VO2 Bias 1 CD Chip Circuit Disable MC34119 7 ORDERING INFORMATION Device Operating Temperature Range Package MC34119P MC34119D TA = to +70°C MC34119DTB Plastic DIP TSSOP Motorola, Inc. 1996 MC34119 RECOMMENDED OPERATING CONDITIONS Characteristics Supply Voltage CD Pin 1 Load Impedance Peak Load Current Differential Gain kHz Bandwidth VCC VCD RL Ambient Temperature Max Unit VCC Vdc ±200 mA ELECTRICAL CHARACTERISTICS TA = 25°C, unless otherwise noted. Characteristics AMPLIFIERS AC CHARACTERISTICS AC Input Resistance VIn Open Loop Gain Amplifier #1, f < 100 Hz Closed Loop Gain Amplifier #2, VCC = V, f = kHz, RL = 32 Gain Bandwidth Product ri AVOL1 AV2 GBW Output Power VCC = V, RL = 16 THD 10% VCC = V, RL = 32 THD 10% VCC = 12 V, RL = 100 THD 10% Total Harmonic Distortion f = kHz VCC = V, RL = 32 Pout = 125 mW VCC V, RL = Pout = 20 mW VCC 12 V, RL = 32 Pout = 200 mW Power Supply Rejection VCC = V, = V C1 = ∞, C2 = µF C1 = µF, C2 = 0, f = kHz C1 = µF, C2 = µF, f = kHz Differential Muting VCC = V, kHz f 20 kHz, CD = V POut3 POut6 POut12 THD PSRR AMPLIFIERS DC CHARACTERISTICS Output DC Level VO1, VO2, VCC = V, RL = 16 Rf = 75 k VCC = V VCC = 12 V Output Level High Iout = mA, V VCC 16 V Low Iout = 75 mA, V VCC 16 V Output DC Offset Voltage VCC = V, Rf = 75 RL = 32 Input Bias Current Vin VCC = V Equivalent Resistance FC1 VCC = V FC2 VCC = V CHIP DISABLE Pin 1 Input Voltage Low High Input Resistance VCC = VCD = 16 V VO 3 VO 6 VO 12 VOH VOL RFC1 RFC2 VIL VIH RCD POWER SUPPLY Power Supply Current VCC = V, RL = ∞, CD = V VCC= 16 V, RL = ∞, CD = V VCC = V, RL = ∞, CD = V |
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