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| Datasheet File OCR Text: |
| NTE7100 Integrated Circuit Protector IC for Stereo Power Amplifier Description: The NTE7100 is a monolithic integrated circuit in an 8-Lead SIP type package designed for protecting stereo power amplifiers and loudspeakers. Features: D Work Stably Within a Wide Power Supply Range: VCC = 25V to 60V D Contains a Relay Driver: I6 = 80mA max D Pin3 can be used for Either a Latching Function or Automatic Resetting Function (In Both Overload Detection and Output Offset Detection, Either Function can be Selected) D Single Power Supply D Both Positive and Negative Output Offset can be Detected Through the Same Pin (Output Offset Detection Through Pin2) D AC Voltage can be Detected (For AC-Power-OFF Mute Through Pin4) D The Time Delay from Amplifier Power ON to Relay ON can be Freely Set by Selecting External Components. (For AC-Power-ON Mute Through Pin7) Absolute Maximum Ratings: (TA = +25C unless otherwise specified) Power Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60V Allowable Power Dissipation (TA = +75C), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 320mW Maximum Voltage At: Pin4, V4max . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10V Pin8, V8max . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8V Pin7, V7max . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8V Maximum Current At: Pin6, I6max . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80mA Pin1, I1max . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3mA Pin2, I2max . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3mA Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -20 to +75C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40 to +125C Recommended Operating Conditions: Parameter Supply Voltage Symbol VCC Test Conditions Min 25 Typ 45 Max 60 Unit V Electrical Characteristics: (VCC = 45V, TA = +25C, State using latching function) Parameter Pin1 Threshold Voltage Pin2 Positive Threshold Voltage Pin2 Negative Threshold Voltage Pin4 Threshold Voltage Pin8 Reference Voltage Symbol Vth 1 Vth +2 Vth -2 Vth 4 V8 Test Conditions Level to invert at Pin6 Level to invert at Pin6 Level to invert at Pin6 Level to invert at Pin6 RL = 1.5k Min 0.58 0.54 0.60 3.0 Typ 0.67 0.62 0.74 3.4 Max 0.76 0.70 0.90 3.8 Unit V V V V V -0.12 -0.17 -0.23 Pin Connection Diagram (Front View) 8 VCC 7 VCC ON Mute 6 Relay Detect 5 GND 4 AC OFF Detect 3 Switch for Latch/ Automatic Reset 2 Output Offset Detector 1 Overload Detector .142 (3.6) .800 (20.3) .362 (9.2) 1 8 .100 (2.54) .100 (2.54) .020 (0.50) .700 (17.78) |
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