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TEA1064BT 데이터시트(PDF) 3 Page - NXP Semiconductors |
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3 / 32 page March 1994 3 Philips Semiconductors Product specification Low voltage versatile telephone transmission circuit with dialler interface and transmit level dynamic limiting TEA1064B QUICK REFERENCE DATA Note 1. For the TEA1064BT the maximum line current depends on the heat dissipating qualities of the mounted device. SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT Iline line current operating range normal operation note 1 11 − 140 mA with reduced performance 2 − 11 mA ICC internal supply current VCC = 2.8 V power-down input LOW − 1.3 1.6 mA power-down input HIGH − 60 82 µA Gv voltage gain range microphone amplifier 44 − 52 dB receiving amplifier 20 − 45 dB line loss compensation ranges Gv gain control 5.7 6.1 6.5 dB Vexch exchange supply voltage 36 − 60 V Rexch exchange feeding bridge resistance 400 − 1000 Ω VLN(p-p) maximum output voltage swing on LN (peak-to-peak value) R16 = 392 Ω; Iline = 15 mA Ip = 1.4 mA 3.55 3.80 4.05 V Ip = 2.7 mA 3.25 3.50 3.75 V Vp supply for peripherals Iline = 15 mA Ip = 1.4 mA 2.5 2.7 − V Ip = 2.7 mA; RREG-SLPE = 20 kΩ 2.9 3.1 − V VLN DC line voltage Iline = 15 mA without RREG-SLPE 3.25 3.5 3.75 V RREG-SLPE = 20 kΩ 4.05 4.4 4.75 V Tamb operating ambient temperature range −25 −+75 °C |
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