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TZA3014HT датащи(PDF) 4 Page - NXP Semiconductors |
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TZA3014HT датащи(HTML) 4 Page - NXP Semiconductors |
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4 / 28 page ![]() 2001 Jun 25 4 Philips Semiconductors Product specification 2.5 Gbits/s postamplifier with level detector TZA3014 PINNING SYMBOL PIN PAD TYPE(1) DESCRIPTION VCCA 1 1 S supply voltage for input and LOS detector IN 2 2 I differential input; complimentary to pin INQ; DC bias level is set internally at approximately VCC − 0.33 V INQ 3 3 I differential input; complimentary to pin IN; DC bias level is set internally at approximately VCC − 0.33 V VCCA 4 4 S supply voltage for input and LOS detector n.c. − 5 − not connected n.c. − 6 − not connected n.c. 5 7 − not connected n.c. 6 8 I not connected n.c. 7 9 I not connected n.c. 8 10 S not connected n.c. 9 11 S not connected LOSTH 10 12 I input for setting threshold level of LOS detector; threshold level is set by connecting external resistors between pins VCCA and Vref; when forced to GNDA or not connected, the LOS detector is switched off n.c. 11 13 I not connected n.c. − 14 − not connected LEVEL 12 15 I input for setting AC level of the output circuit; output signal level is set by connecting external resistors between pins VCCA and Vref; when forced to VCCA or not connected, pins OUT and OUTQ will be switched off n.c. 13 16 I not connected Vref 14 17 O reference voltage for programming output level circuit and LOS threshold; typical value is VCC − 1.6 V; no external capacitor allowed n.c. − 18 − not connected TEST 15 19 I for test purposes only; to be left open-circuit in the application n.c. 16 20 S not connected n.c. 17 21 S not connected n.c. 18 22 O not connected n.c. 19 23 O not connected n.c. 20 24 S not connected n.c. − 25 − not connected n.c. − 26 − not connected VCCB 21 27 S supply voltage for output circuit OUTQ 22 28 O PECL or CML compatible differential output; complimentary to pin OUT OUT 23 29 O PECL or CML compatible differential output; complimentary to pin OUTQ VCCB 24 30 S supply voltage for output circuit GNDB 25 31 S ground for output circuit n.c. − 32 O not connected n.c. − 33 O-DRN not connected |
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