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MC33121 数据表(PDF) 2 Page - Motorola, Inc |
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MC33121 数据表(HTML) 2 Page - Motorola, Inc |
2 / 32 page MC33121 MOTOROLA 2 MAXIMUM RATINGS Characteristic Symbol Value Unit Supply Voltage (with respect to VCC) (with respect to VDG) VEE VDD – 60, + 0.5 – 0.5, + 7.0 Vdc Voltage @ PDI, (with respect to VDG) @CP, CN EP, TSI BP RSI, EN BN Vin – 0.5, + 7.0 VEE – 0.5, VCC + 0.5 VCC – 7.0, VCC + 0.5 VCC – 14, VCC + 0.5 VEE – 0.5, VCC + 14 VEE – 1.0, VEE + 21 Vdc Junction Temperature TJ 150 °C Storage Temperature Tstg – 65 to + 150 °C * Devices should not be operated at these limits. The “Recommended Operating Conditions” table provides for actual device operation. RECOMMENDED OPERATING CONDITIONS Characteristic Symbol Min Typ Max Unit Supply Voltage (with respect to VCC) (with respect to VDG) VEE VDD – 42 + 4.5 – 24 + 5.0 – 21.6 + 5.5 Vdc (with respect to VCC) (with respect to VCC) (with respect to VAG) VAG VDG – 3.0 – 3.0 – 3.0 0 0 0 + 10 + 7.0 + 10 (with respect to VEE) (with respect to VCC and VAG) VDD — 3.5 — — 47.5 — Loop Current IL 15 — 50 mA PDI Input Voltage VPDI 0 — VDD Vdc Sink Current ST1 ST2 IST1L IST2L 0 0 — — 1.0 1.0 mA Transmit Signal Level at Tip & Ring Receive Signal Level at VRX STX SRX – 48 – 48 — — + 3.0 + 3.0 dBm Loop Resistance VEE = – 42 V VEE = – 24 V RL 0 0 — — 2.0 k 800 Ω External Transistor Beta Hfe 40 — 500 A/A Operating Ambient Temperature (See text for derating) TA – 40 — + 85 °C All limits are not necessarily functional concurrently. ELECTRICAL CHARACTERISTICS (VEE = – 24 V, VDD = + 5.0 V, unless otherwise noted. VCC = VAG = VDG = 0 V, TA = 25°C, see Figure 1.) Characteristic Symbol Min Typ Max Unit POWER SUPPLIES VEE Current On Hook (RL > 10 MΩ, VEE = – 42 V) Off Hook (RL = 0 Ω, VEE = – 42 V)* VDD Current On Hook (RL > 10 MΩ, VDD = + 5.5 V) Off Hook (RL = 0 Ω, VDD = + 5.5 V) IEEN IEEF IDDN IDDF – 2.7 – 72 — 4.0 – 1.0 – 55 1.4 7.0 — – 41 2.7 14 mA VEE Ripple Rejection f = 1.0 kHz, @ VTX (4–wire) f = 1.0 kHz, @ Tip/Ring (2–wire) VDD Ripple Rejection f = 1.0 kHz, @ VTX (4–wire) f = 1.0 kHz, @ Tip/Ring (2–wire) PSRR 40 40 37 37 62 52 52 48 — — — — dB * Includes loop current. |
类似零件编号 - MC33121 |
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类似说明 - MC33121 |
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