• Complete DTMF Receiver
• Low power consumption
• Internal gain setting amplifier
• Adjustable guard time
• Central office quality
• Power-down mode
• Inhibit mode
• Backward compatible with MT8870C/MT8870C-1
• Internally Frequency Compensated for Unity Gain
• Large DC Voltage Gain 100 dB
• Wide Bandwidth (Unity Gain) 1 MHz (Temperature Compensated)
• Wide Power Supply Range: – Single Supply 3 V to 32 V – or Dual Supplies ±1.5 V to ±16 V
• Very Low Supply Current Drain (700 μA) —Essentially Independent of Supply Voltage
• Low Input Biasing Current 45 nA (Temperature Compensated)
• Low Input Offset Voltage 2 mV and Offset Current: 5 nA
• Input Common-Mode Voltage Range Includes Ground
• Differential Input Voltage Range Equal to the Power Supply Voltage
• Large Output Voltage Swing 0 V to V + − 1.5 V
• Output Voltage Range Adjustable From 1.25 V to 37 V
• Output Current Greater Than 1.5 A
• Internal Short-Circuit Current Limiting
• Thermal Overload Protection
• Output Safe-Area Compensation
• MOSFET Input Stage - Very High Input Impedance (ZIN) -1.5TΩ (Typ)
- Very Low Input Current (Il ) -10pA (Typ) at ±15V
- Wide Common Mode Input Voltage Range (VlCR)
- Can be Swung 0.5V Below Negative Supply Voltage Rail
- Output Swing Complements Input Common Mode Range
• Directly Replaces Industry Type 741 in Most Applications
• Pb-Free Plus Anneal Available (RoHS Compliant)
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