LPZPLE23(32)-K40C(I)

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APPLICATIONS

l 50GBASE-ER

l Other Optical Link

Compliance

l SFF-8431.

l IEEE802.3cd

l SFP56 MSA

l RoHS

Ordering information

Part No.	Bit Rate (Gbps)	Laser (nm)	Distance	Fiber Type	DDMI	Connector	Temp
ESZPLE23-K40C	53.125	1270	40km	SMF	YES	LC	0℃~+70℃
ESZPLE32-K40C	53.125	1313	40km	SMF	YES	LC	0℃~+70℃
ESZPLE23-K40I	53.125	1270	40km	SMF	YES	LC	-40℃~+85℃
ESZPLE32-K40I	53.125	1313	40km	SMF	YES	LC	-40℃~+85℃

I. Pin Diagram

Pin out of Connector Block on Host Board

II. Pin Descriptions

Pin	Symbol	Name/Description	Ref.
1	V_EET	Transmitter Ground (Common with Receiver Ground)	1
2	T_FAULT	Transmitter Fault.	2
3	T_DIS	Transmitter Disable. Laser output disabled on high or open.	3
4	SDA	2-wire Serial Interface Data Line	4
5	SCL	2-wire Serial Interface Clock Line	4
6	MOD_ABS	Module Absent. Grounded within the module	4
7	RS0	Rate Select 0	6
8	LOS	Loss of Signal indication. Logic “0” indicates normal operation.	5
9	RS1	Rate select 1	6
10	V_EER	Receiver Ground (Common with Transmitter Ground)	1
11	V_EER	Receiver Ground (Common with Transmitter Ground)	1
12	RD-	Receiver Inverted DATA out. AC Coupled
13	RD+	Receiver Non-inverted DATA out. AC Coupled
14	V_EER	Receiver Ground (Common with Transmitter Ground)	1
15	V_CCR	Receiver Power Supply
16	V_CCT	Transmitter Power Supply
17	V_EET	Transmitter Ground (Common with Receiver Ground)	1
18	TD+	Transmitter Non-Inverted DATA in. AC Coupled.
19	TD-	Transmitter Inverted DATA in. AC Coupled.
20	V_EET	Transmitter Ground (Common with Receiver Ground)	1

Notes:

1. Circuit ground is internally isolated from chassis ground.

2. TFAULT is an open collector/drain output, which is pulled up with a 4.7kΩ – 10kΩ resistor on the host board if intended for use. Pull up voltage should be between 2.0V to Vcc + 0.3V. A high output indicates a transmitter fault caused by either the TX bias current or the TX output power exceeding the preset alarm threshold. A low output indicates normal operation. In the low state, the output is pulled to <0.8V.

3. Laser output disabled on TDIS >2.0V or open, enabled on TDIS <0.8V.

4. Should be pulled up with 4.7kΩ – 10kΩ on host board to a voltage between 2.0V and 3.6V. MOD_ABS pulls line low to indicate module is plugged in.

5. LOS is open collector output. Should be pulled up with 4.7kΩ – 10kΩ on host board to a voltage between 2.0V and 3.6V. Logic 0 indicates normal operation; logic 1 indicates loss of signal.

6. Internally pulled down per SFF-8431 Rev 4.1.

III. Absolute Maximum Ratings

Parameter	Symbol	Min.	Typ.	Max.	Unit	Ref.
Maximum Supply Voltage	Vcc	-0.5		3.6	V
Storage Temperature	TS	-40		85	℃
Relative Humidity	RH	5		85	%

IV. Optical Characteristics

Parameter	Symbol	Min.	Typ.	Max.	Unit	Remark
Transmitter
Center Wavelength	λc		1270		nm	ESZPLE23-K40C(I)
Center Wavelength	λc		1313		nm	ESZPLE32-K40C(I)
Spectral Width(-20dB)	Pm			1	nm
Average Output Power	Pavg	0.6		6.6	dBm
Optical Modulation Amplitude(OMA outer)	OMA	3.4		7.4
Extinction Ratio	ER	6			dB
Transmitter and dispersion eye closure(TDEC)	TDEC			3.2	dB
Side Mode Suppression Ratio	SMSR	30			dB
Transmitter OFF Output Power	POff			-30	dBm
Receiver
Center Wavelength	λc		1313		nm	ESZPLE32-K40C(I)
Center Wavelength	λc		1270		nm	ESZPLE23-K40C(I)
Receiver Sensitivity(OMA)	RSENSE		-17	-15.1	dBm	1
Averge receive power	Pin	-17.6		-3.4	dBm
Receiver Reflectance	Rfl			-26	dBm
Loss of Signal Assert	P_A	-25			dBm
Loss of Signal De-assert	P_D			-18	dBm
LOS Hysteresis	P_D- P_A	0.5			dB

Note:

1. Measured with conformance test signal at TP3 for BER =2.4E-4 Pre-FEC.

V. Digital Diagnostic Memory Map

VI. Digital Diagnostic Specifications

Parameter	Unit	Accuracy
Case Temperature	℃	±3
Supply Voltage	V	±3%
Tx Bias Current	mA	±10%
Tx Optical Power	dB	±3
Rx Optical Power	dB	±3

VII. Electrical Interface Characteristics

Parameter	Symbol	Min	Type	Max	Unit	Ref.
Supply Voltage	Vcc	3.135	3.3	3.465	V
Power dissipation	Pd			3	W
Bite rate	BR		53.125		Gb/s
Input differential impedance	Rin		100			1
Differential data input swing	Vin, pp			900	mV
Input Logic Level Hig	V_IH	2		VccHOST	V
Input Logic Level Low	V_IL	Vee		Vee+0.8	V
Output Logic Level High	V_OH	VccHOST-0.5		VccHOST	V
Output Logic Level Low	V_OL	Vee		Vee+0.4	V

Notes:

1. Differential voltage amplitude is measured between TxnP / TxnN/ TxnP / TxnN.

VIII.Recommended Interface Circuit

IX. Mechanical Specifications (Unit: mm)

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