3.3 Electrical Parameters and Values

Table 3-1. DC Electrical CharacteristicsV_CC = 2.5V ±5%, T_A = –40°C to +95°C. Typical values are V_CC = 2.5V, T_A = 25°C, I_MOD = 60 mA. See Note 1.
Parameter	Symbol	Min.	Typ.	Max.	Units	Conditions
Power Supply Current	I_CC	—	24	30 (see Note 2)	mA	Modulation current excluded
Minimum Modulation Voltage	V_{MOD_MIN}	0.6	—	—	V	Minimum voltage required at driver output for proper operation.
Input Resistance for DIN+, DIN–	R_IN(DATA)	45	50	55	Ω	—
Input Resistance for IM_SET	R_{IN(MOD_SET)}	—	25	—	kΩ	—
Differential Input Voltage Swing	V_ID	200	—	2400	mVpp	—
/EN Input High	V_{IH_EN}	2	—	—	V	—
/EN Input Low	V_{IL_EN}	—	—	0.8	V	—
Voltage Range on IM_SET Pin	V_{IM_SET}	—	—	1.2	V	I_MOD range 10 mA – 90 mA
Notes: Specification for packaged product only. I_CC = 30 mA (excluding I_MOD) for worst-case conditions with V_CC = 2.625V, T_A = 85°C, I_MOD = 60 mA.

Table 3-2. AC Electrical CharacteristicsV_CC = 2.5V ±5%, T_A = –40°C to +95°C. Typical values are V_CC = 2.5V, T_A = 25°C, I_MOD = 60 mA.
Parameter	Symbol	Min.	Typ.	Max.	Units	Conditions
Data Rate		0.155	—	1.25	Gbps	NRZ data
Modulation Current (15Ω Load)	I_MOD	10	—	90	mA	AC-coupled
Modulation Current (15Ω Load)	I_MOD	10	—	70 (see Note 2)	mA	DC-coupled
Modulation OFF Current	I_{MOD_OFF}	—	—	750	µA	Current at MOD+ when the device is disabled
Total Jitter		—	—	20	pspp	@ 1.25 Gbps data rate
Pulse-Width Distortion		—	—	20	ps	I_MOD range 10 mA – 90 mA
Output Rise/Fall Times (20% to 80%)	t_r/t_f	—	100	140	ps	15Ω Load
Notes: Specification for packaged product only. Assuming V_CC = 2.375V, laser band gap voltage = 1V, laser package inductance = 1 nH, laser equivalent series resistor = 5Ω, and damping resistor = 10Ω.