ADN2870ACPZ datasheet(5/20 Pages) AD

Teilenummer	ADN2870ACPZ

Bauteilbeschribung	3.3 V Dual-Loop, 50 Mbps to 3.3 Gbps Laser Diode Driver

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Hersteller	AD [Analog Devices]

Direct Link	http://www.analog.com

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ADN2870

Rev. 0 | Page 5 of 20

SFP TIMING SPECIFICATIONS

Table 2.

Parameter

Symbol

Min

Typ

Max

Unit

Conditions/Comments

ALS Assert Time

t_off

1

5

µs

Time for the rising edge of ALS (TX_DISABLE) to when the bias

current falls below 10% of nominal.

ALS Negate Time1

t_on

0.83

0.95

ms

Time for the falling edge of ALS to when the modulation current

rises above 90% of nominal.

Time to Initialize, Including

Reset of FAIL1

t_init

25

275

ms

From power-on or negation of FAIL using ALS.

FAIL Assert Time

t_fault

100

µs

Time to fault to FAIL on.

ALS to Reset time

t_reset

5

µs

Time TX_DISABLE must be held high to reset TX_FAULT.

1 Guaranteed by design and characterization. Not production tested.

DATAP

DATAN

DATAP–DATAN

V p-p DIFF = 2 × VSE

VSE

0V

Figure 3. Signal Level Definition

0.1

µF

0.1

µF

10

µF

1

µH

3.3V

SFP HOST BOARD

SFP MODULE

VCC_Tx

Figure 4. Recommended SFP Supply

Ähnliche Beschreibung - ADN2870ACPZ

Hersteller	Teilenummer	Datenblatt	Bauteilbeschribung
Analog Devices	ADN2847	502Kb / 16P	3.3 V Dual-Loop 50 Mbps to 3.3 Gbps Laser Diode Driver REV. B
	ADN2872	588Kb / 20P	3.3 V Dual-Loop, 50 Mbps to 3.3 Gbps Laser Diode Driver REV. 0
	ADN2870	705Kb / 20P	3.3 V Dual-Loop, 50 Mbps to 3.3 Gbps Laser Diode Driver REV. A
	ADN2847	1Mb / 12P	3 V Dual-Loop 50 Mbps to 3.3 Gbps Laser Diode Driver REV. 0
	ADN2848	347Kb / 12P	3.3 V Dual-Loop 50 Mbps to 1.25 Gbps Laser Diode Driver REV. B
	ADN2871	768Kb / 20P	3.3 V, 50 Mbps to 4.25 Gbps, Single-Loop, Laser Diode Driver REV. A
	ADN2871	797Kb / 20P	3.3 V, 50 Mbps to 4.25 Gbps Single-Loop Laser Diode Driver REV. 0
	ADN2873	625Kb / 20P	3.3 V, 50 Mbps to 4.25 Gbps, Single-Loop, Laser Diode Driver REV. 0
	ADN2841	346Kb / 16P	Dual-Loop, 50 Mbps to 2.7 Gbps Laser Diode Driver REV. B
	ADN2848	254Kb / 12P	3 V Dual-Loop 50 Mbps to 1.25 Gbps Laser Diode Driver REV. 0

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