20 mhz tcxo SMD5032

Frequency: 20MHz
Frequency Tolerance: ±1ppm
Frequency Stability: ±0.28ppm
Operating Supply Voltage Range: 3.135V ~ 3.465V

20MHz High-Precision TCXO (±0.28ppm, Clipped Sine Wave, 5.0x3.2mm)

Product Overview

The 20MHz TCXO is a high-stability Temperature Compensated Crystal Oscillator designed for mission-critical timing. Housed in a robust 5.0x3.2mm (5032) 10-pad ceramic package, it offers a superior ±0.28ppm stability across an industrial temperature range of -40°C to +85°C.

With its clipped sine wave output, this oscillator ensures reduced power consumption (only 3.5mA) and minimized harmonic distortion, making it an ideal choice for GPS/GNSS receivers, handheld IoT devices, and high-accuracy laboratory instruments.

Key Highlights

High Precision: ±0.28ppm stability ensures reliable synchronization in GNSS applications.
Low Power Consumption: Typ. 3.5mA, extending battery life for portable IoT devices.
Phase Noise Excellence: -155 dBc/Hz @ 100kHz offset for superior signal integrity.
Industrial Reliability: Operates flawlessly from -40°C to +85°C.
Specialized Design: 10-pad configuration for enhanced grounding and stability.

1. NOMINAL AND MAXIMUM RATINGS, OPERATING AND STORAGE CONDITIONS

Item	Parameters	Symb.	Min.	Typ.	Max.	Unit	Conditions /Remarks
1	Nominal frequency	FN	20.000			MHz
2	Maximum supply voltage	VMax.	-0.3		+4.0	VDC	Between VCC and GND
3	Operating Supply Voltage Range	Vcc	3.135	3.30	3.465	VDC
4	Output Load Resistance	RL	9	10	11	kΩ	Clipped sine wave output
5	Output Load Capacitance	CL	9	10	11	pF	Clipped sine wave output
6	Operating Temperature Range	ToP	-40	+25	+85	℃	Note 1
7	Storage Temperature Range	TsT	-40		+85	℃

Note 1: over the whole range, the unit stays within all relevant parameter limits as specified under point 2

2. ELECTRICAL PARAMETER LIMITS

	Parameters	Symb.	Min.	Typ.	Max.	Unit	Conditions /Remarks
1	Frequency Tolerance	△f/F_N	-1.0		+1.0	ppm	Offset from nominal at +25°℃
2	Frequency Stability	△f/F_RFL	-0.28		+0.28	ppm	Note 1
3	Frequency VS Voltage Changes	△f/F_V	-0.1		+0.1	ppm	Vcc±5% at +25℃
4	Frequency VS Load Changes	△f/F_L	-0.1		+0.1	ppm
5	Aging 20 years	△f/F_A1	-3.0		+3.0	ppm	at +25℃
6	Output Amplitude Voltage Level	V_P-P	0.8			V_AC	Clipped sine wave
7	Output Symmetry (Duty Cycle)	DC	45		55	%	GND level (DC cut)
8	Phase Noise	L_RMS		-98		dBc/Hz	at 10Hz offset /at +25℃
				-125			at 100Hz offset/at+25℃
				-145			at 1kHz offset /at +25℃
				-150			at 10kHz offset /at +25℃
				-155			at 100KHz offset /at+25℃
9	Startup Time	t_STRT			2.0	ms	Vp-p reach > 90% of amplitude
10	Current Consumption	I_CC			3.5	mA