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TP3056BDW Arkusz danych(PDF) 7 Page - Texas Instruments |
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TP3056BDW Arkusz danych(HTML) 7 Page - Texas Instruments |
7 / 19 page TP3056B MONOLITHIC SERIAL INTERFACE COMBINED PCM CODEC AND FILTER SLWS072A – MAY 1998 – REVISED AUGUST 1998 7 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 operating characteristics, over operating free-air temperature range, VCC = 5 V ±5%, VBB = –5 V ±5%, GND at 0 V, VI = 1.2276 V, f = 1.02 kHz, transmit input amplifier connected for unity gain, noninverting, in A-law and µ-law modes, (unless otherwise noted) (continued) envelope delay distortion with frequency PARAMETER TEST CONDITIONS MIN TYP† MAX UNIT Transmit delay, absolute (at 0 dBm0) f = 1600 Hz 290 315 µs ‡ f = 500 Hz to 600 Hz 195 220 ‡ f = 600 Hz to 800 Hz 120 145 ‡ f = 800 Hz to 1000 Hz 50 75 Transmit delay, relative to absolute‡ f = 1000 Hz to 1600 Hz 20 40 µs f = 1600 Hz to 2600 Hz 55 75 f = 2600 Hz to 2800 Hz 80 105 f = 2800 Hz to 3000 Hz 130 155 Receive delay, absolute (at 0 dBm0) f = 1600 Hz 180 200 µs ‡ f = 500 Hz to 1000 Hz –40 –25 ‡ f = 1000 Hz to 1600 Hz –30 –20 Receive delay, relative to absolute‡ f = 1600 Hz to 2600 Hz 70 90 µs f = 2600 Hz to 2800 Hz 100 125 f = 2800 Hz to 3000 Hz 140 175 † All typical values are at VCC = 5 V, VBB = –5 V, and TA = 25°C. ‡ Absolute rms signal levels are defined as follows: VI = 1.2276 V = 0 dBm0 = 4 dBm at f = 1.02 kHz with RL = 600 Ω. noise PARAMETER TEST CONDITIONS MIN TYP† MAX UNIT Transmit noise, C-message weighted µ-law VFXI = 0 V 9 14 dBrnC0 Transmit noise, psophometric weighted (see Note 4) A-law VFXI = 0 V –78 –75 dBm0p Receive noise, C-message weighted µ-law PCM code equals alternating positive and negative zero. 2 4 dBrnC0 Receive noise, psophometric weighted A-law PCM code equals positive zero. –86 –83 dBm0p Noise, single frequency VFXI+ = 0 V, f = 0 kHz to 100 kHz, Loop-around measurement –53 dBm0 † All typical values are at VCC = 5 V, VBB = –5 V, and TA = 25°C. NOTE 4: Measured by extrapolation from the distortion test result. This parameter is achieved through use of patented circuitry and is not recommended for applications in which the composite signals on the transmit side are below – 55 dBm0. crosstalk PARAMETER TEST CONDITIONS MIN TYP† MAX UNIT Crosstalk, transmit to receive f = 300 Hz to 3000 Hz, DR at steady PCM code –90 –75 dB Crosstalk, receive to transmit (see Note 5) VFXI = 0 V, f = 300 Hz to 3000 Hz –90 –75 dB † All typical values are at VCC = 5 V, VBB = –5 V, and TA = 25°C. NOTE 5: Receive-to-transmit crosstalk is measured with a – 50 dBm0 activation signal applied at VFXI +. power amplifiers PARAMETER TEST CONDITIONS MIN MAX UNIT M i 0 dB 0 l l f b tt th ±0 1 dB li it Bl d l d R td RL = 600 Ω 1.65 Maximum 0 dBm0 rms level for better than ±0.1 dB linearity over the range if – 10 dBm0 to 3 dBm0 Balanced load,RL, connected between VFRO and Gnd RL = 1200 Ω 1.75 V over the range if – 10 dBm0 to 3 dBm0 between VFRO and Gnd RL = 30 kΩ 2 Vrms Signal/distortion RL = 600 Ω 50 dB |
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