Conform to JEITA Standard CP−1201 (For Digital Audio Interfaces including Fiber Optic inter−connections).
TTL Interface
ATC (Automatic Threshold Control) Circuit is used for stabilized output at a wide range of optical power level.

**Recommended Operating Conditions**
Characteristics	Symbol	Min.	Typ.	Max.	Unit
Supply Voltage	V_CC	4.75	5.0	5.25	V
High Level Output Current	I_OH	―	―	−150	µA
Low Level Output Current	I_OL	―	―	1.6	mA

**Electrical and Optical Characteristics (Ta = 25°C, VCC = 5 V)**
Characteristics	Symbol	Test Condition	Min.	Typ.	Max.	Unit
Data Rate		NRZ code (Note 1)	DC	―	6	Mb / s
Transmission Distance		TOTX173 Using APF (Note 2)	0.2	―	10	m
Pulse Width Distortion (Note 3)	∆tw	Pulse width 165 ns Pulse cycle 330 ns, CL = 10 pF Using TOTX173	−20	―	20	ns
Maximum Receivable Power (Note 4)	P_MAX	6 Mb / s, Using APF	−14.5	―	―	dBm
Minimum Receivable Power (Note 4)	P_MIN	6 Mb / s, Using APF	―	―	−27	dBm
Rise Time	t_r	C_L = 10 pF	―	10	30	ns
Fall Time	t_f	C_L = 10 pF	―	5	30	ns
Current Consumption	I_CC		―	22	40	mA
High Level Output Voltage	V_OH		2.7	―	―	V
Low Level Output Voltage	V_OL		―	―	0.4	V

Note 1: For data rate > 3 Mb / s, the duty factor must be such as kept 25 to 75%. High level output when optical flux is received. Low level output when optical flux is not received.

Note 2: All Plastic Fiber (970 / 1000 µm).

Note 3: Between input of a fiber optic transmitting module and output of TORX173.

Note 4: BER ≤ 10−9 , rated by peak value.

Example of Typical Characteristics (Note 5)