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T7503 Datasheet(PDF) 5 Page - Agere Systems |
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T7503 Datasheet(HTML) 5 Page - Agere Systems |
5 / 16 page Lucent Technologies Inc. 5 Data Sheet February 1998 T7503 Dual PCM Codec with Filters Electrical Characteristics (continued) dc Characteristics (continued) Table 3. Power Dissipation Power measurements are made at MCLK = 4.096 MHz, outputs unloaded. Transmission Characteristics Table 4. Analog Interface Parameter Symbol Test Conditions Min Typ Max Unit Powerdown Current IDDO MCLK present and FS ≤ 0.4 V — 0.1 1 mA Powerup Current IDDU MCLK, FS pulse present — 18 25 mA Parameter Symbol Test Conditions Min Typ Max Unit Input Resistance, FSXI RVFXI VFxI = 2.4 V 1.0 — — M Ω Input Leakage Current, VFXI IBVFXI VFxI = 2.4 V –2.4 ±0.01 2.4 µA Input Capacitance, VFXIN, VFXIP — — — 10 pF Input Offset Voltage of Uncommitted Op Amp, VFXIN – VFXIP — — –5 — 5 mV Input Common-mode Voltage Range, VFXIN, VFXIP — — 1.2 — VDD – 1.75 V Input Common-mode Rejection Ratio, VFXIN, VFXIP — — — 60 — dB Gain Bandwidth Product (10 kHz) of Un- committed Op Amp — — — 3000 — kHz Equivalent Input Noise Between VFXIN and VFXIP at GSX — — — –30 — dBrnC Output Voltage Range, GSX — — 0.5 — VDD – 0.5 V dc Open-loop Voltage Gain, GSX AVOL — 90 — — dB Differential Output dc Offset Voltage — — –80 ±10 80 mV Load Capacitance, GSX CLX1 — — — 50 pF Load Resistance, GSX RLX1 — 10 — — k Ω VCM Output Voltage Referenced to GND — — 2.25 2.35 2.5 V VCM Output Load Capacitance — — 0 — 50 pF Load Resistance, VCM RLVCM — 10 — — k Ω Load Resistance, VFRO RLVFRO — 300 — — Ω Load Capacitance, VFRO CLVFRO — — — 100 pF Output Resistance, VFRO ROVFRO 0 dBm0, 1020 Hz PCM code applied to DR — 0.3 3 Ω Output Voltage, VFRO VOR Alternating ± zero µ-law PCM code applied to DR 2.25 2.35 2.5 V Output Leakage Current, VFRO, Power- down IOVFRO — –30 ±0.02 30 µA Output Voltage Swing, VFRO VSWR RL = 300 Ω 3.2 — — Vp-p |
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