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Crystal Oscillators & RTC series

DAPU Products:

1. High stability clock series: Crystal(32.768KHz), Crystal(MHz),SPXO, TCXO, OCXO, Clock Module;

2. Timing Server: Timing Server;

3. Chip Series: Real Time Clock (RTC) , Clock Buffer, Phase locked loop (PLL) , IEEE1588v2, All-Silicon Oscillator, Ethernet PHY; 

4. RF Passive Devices: SMD Circulator / Isolator, Drop-In Circulator / Isolator, SMT Circulator / Isolator.

  

DAPU Crystal & Oscillators High stability clock series, RTC

 

1. Crystal(32.768KHz)

 

 

 

Type

Dimension
  (mm)

Freq. range
  (KHz)

Freq. accuracy
  @25℃(ppm)

Operating Temp.
  (℃)

Load capacitance
  (pF)

Crystals
  (KHz)

1.60*1.00*0.45

32.768KHz

±20

-40   ~ 85

4.0/6.0/7.0/9.0/12.5

2.00*1.20*0.55

-40   ~ 85
  -40 ~ 125

6.0/9.0/12.5

3.20*1.50*0.80

-40   ~ 85
  -40 ~ 125

6.0/9.0/12.5

  

2. Crystal(MHz)

 

  

Type

Dimension
  (mm)

Freq. range
  (MHz)

Freq. tolerance
  @25℃(ppm)

Freq. Stability
  (ppm)

Operating temperature
  (℃)

Load Capacitance
  (pF)

Crystal 3225

3.20*2.50*0.7

8~60

±10/specify

±10~±50

-20~70/-40~85/-40~125

8/10/12/specify

Crystal 2520

2.55*2.05*0.6

12~54

±10/specify

±10~±50

-20~70/-40~85/-40~125

8/10/12/specify

Crystal 2016

2.05*1.65*0.5

16~96

±10/specify

±10~±50

-20~70/-40~85/-40~125

8/10/12/specify

Crystal 1612

1.65*1.25*0.4

24~96

±10/specify

±10~±50

-20~70/-40~85/-40~125

8/10/12/specify

  

3. SPXO

 

 

3.1 SPXO (CMOS Output)

 

Type

Dimension
  (mm)

Freq. range
  (MHz)

Freq. Stability
  (ppm)

Phase Jitter
  (ps)

Operating temperature
  (℃)

SPXO 7050

7.00*5.00*1.30

8~70

±20/±25/±30

1

-20~70/-40~85/-40~105

SPXO 5032

5.00*3.20*1.20

8~70

±20/±25/±30

1

-20~70/-40~85/-40~105

SPXO 3225

3.20*2.50*0.95

8~70

±20/±25/±30

1

-20~70/-40~85/-40~105

SPXO 2520

2.50*2.00*0.85

8~70

±20/±25/±30

1

-20~70/-40~85/-40~105

SPXO 2016

2.05*1.65*0.75

8~70

±20/±25/±30

1

-20~70/-40~85/-40~105

 

3.2 SPXO (Differential Output)

 

Type

Dimension
  (mm)

Freq. range
  (MHz)

Comprehensive
  freq. stability(ppm)

Operation temp
  (℃)

Output waveform

Recommended
  freq(ppm)

DPD3225

3.2*2.5*0.9

50   ~ 220

±25/50/100

-40   ~ 85

LVPECL/LVDS/HCSL

100
  125
  156.25

DPD5032

5.0*3.2*1.2

100   ~ 170

LVPECL/LVDS/HCSL

DPD7050

7.0*5.0*1.7

62.5   ~ 220

LVPECL/LVDS

  

4.  TCXO

 

  

4.1  TCXO (High stability, ultra-wide temperature, low phase noise)

 

Type

Dimension
  (mm)

Freq. range
  (MHz)

Freq. Stability
  (ppm)

Year

Phase noise
  (dBc/Hz@1K)

Operating temp
  (℃)

TCXO 7050

7.00*5.00*2.20

5~52

±0.5~±0.05

±1

-140

-40~+85/-40~+85/-40~+105

TCXO 5032

5.00*3.20*1.90

5~52

±0.5~±0.28

±1

-140

-40~85/-40~105

 

4.2  TCXO (Super small size, ultra-low consumption)

 

Type

Dimension
  (mm)

Freq. range
  (MHz)

Freq. Stability
  (ppm)

Aging/year
  (25 oC) ppm

Phase Noise
  (dBc/Hz@1K)

Operating temperature
  (℃)

TCXO 3225

3.20*2.50*0.90

10~55

±0.5

±1

-140

-40~85/-40~105

TCXO 2520

2.55*2.05*0.83

10~55

±0.5

±1

-140

-40~85/-40~105

TCXO 2016

2.05*1.65*0.70

10~55

±0.5

±1

-140

-40~85/-40~105

TCXO 1612

1.65*1.25*0.63

10~55

±0.5

±1

-140

-40~85/-40~105

  

5.  OCXO

 

 

5.1  OCXO (Ultra-high stability)

 

Type

Operating temp.
  (℃)

Freq. tolerance
  (ppb)

Ageing
  (Day)

Ageing
  (Year)

Phase noise
  (dBc/Hz@1K)

Dimension
  (mm)

Recommend freq.
  (MHz)

O55A

-20   ~ +70

±0.2

±0.05ppb

±5.0ppb

-150

DIP
  50.8*50.8*19

10

-55   ~ +85

±1.0

±0.05ppb

±10.0ppb

-150

DIP
  50.8*50.8*19

10

O23B

-40   ~ +85

±0.2

±0.5ppb

±0.02ppm

-155

DIP
  36*27*12.7

10

-55   ~ +85

±3.0

±0.5ppb

±0.02ppm

-155

DIP
  36*27*12.7

10

O22B

-40   ~ +85

±0.2

±0.5ppb

±0.03ppm

-155

DIP
  25.4*25.4*12.5

10

-55   ~ +85

±3.0

±0.5ppb

±0.03ppm

-155

DIP
  25.4*25.4*12.5

10

O22A

-40   ~ +85

±0.2

±0.5ppb

±0.05ppm

-155

DIP
  20.5*20.5*10.8

10

-55   ~ +85

±3.0

±0.5ppb

±0.05ppm

-155

DIP
  20.5*20.5*10.8

10

O22S

-40   ~ +85

±0.2

±0.5ppb

±0.05ppm

-155

DIP
  25.4*22.0*12.0

10

-55   ~ +85

±3.0

±0.5ppb

±0.05ppm

-155

DIP
  25.4*22.0*12.0

10

 

5.2  OCXO (Wide temperature, low phase noise, low consumption, small size)

 

Type

Operating temp.
  (℃)

Freq. tolerance
  (ppb)

Ageing
  (Day)

Ageing
  (Year)

Phase noise
  (dBc/Hz@1K)

Dimension
  (mm)

Recommend freq.
  (MHz)

O11F

-40   ~ +95

±3.0

±1.0

±0.1

-158

SMD
  14.4*9.5*6.5

10/12.8/19.2/20/25
  30.72/38.88/48

-55   ~ +105

±10.0

±3.0

±0.2

-158

SMD
  14.4*9.5*6.5

O79A

-40   ~ +95

±5.0

±1.0

±0.1

-155

SMD
  9.7*7.5*3.9

-55   ~ +105

±10.0

±3.0

±0.2

-155

SMD
  9.7*7.5*3.9

O75A

-40   ~ +95

±10.0

±3.0

±0.1

-155

SMD
  7.5*5.5*3.3

-55   ~ +105

±20.0

±3.0

±0.2

-155

SMD
  7.5*5.5*3.3

 

5.3  OCXO (Ultra-low phase noise)

 

Type

Freq.
  (MHz)

Freq. tolerance
  (ppb)

Ageing

Phase noise
  dBc /Hz @10Hz

Phase noise
  dBc / Hz @100Hz

Phase noise
  dBc / Hz @1KHz

Phase noise
  dBc / Hz @10KHz

Short-Term
  Stability

Operating temp.
  (℃)

Dimension
  (mm)

O55

10M

±1.0ppb/
  0.2ppb

±0.5ppb/day
  ±0.03ppm/year

-150

-162

-168

-170

1.5E-13/s

-40~75

DIP
  50.8*50.8*16

O23

10M

±0.5ppb/
  ± 1.0ppb

±0.5ppb/day
  ±0.03ppm/year

-148

-160

-168

-170

3E-13/s

-40~75

DIP
  36*27*15

O22B

10M

±0.3ppb

±0.5ppb/day
  ±0.05ppm/year

-145

-160

-165

-170

5E-13/s

-55~85

DIP
  25.4*25.4*12.7

O22A

100M

±10ppb/
  ±20ppb

±1ppb/day
  ±0.1ppm/year

-108

-139

-163

-174

5E-12/s

-55~+85

DIP
  20.2*20.2*10.0

O22A

100M

±10ppb/
  ±20ppb

±1ppb/day
  ±0.1ppm/year

-105

-135

-171

-175

5E-12/s

-55~+85

DIP
  20.2*20.2*10.0

 

5.4  OCXO (Ultra-low power consumption)

 

Freq.
  (MHz)

Freq. tolerance
  (ppb)

Ageing

Start-up power
  consumption

Stable power
  consumption @25℃

Phase noise
  dBc / Hz @1KHz

Operating temp.
  (℃)

Dimension
  (mm)

10M

±10

±0.1

900mW

100mW

-160

-55   ~ +85

DIP
  19*19*10.5

10M

±5

±0.1

900mW

280mW

-160

-40   ~ +85

DIP
  20.4*12.7*8.5

100M

±50

±0.3

1W

300mW

-155

-55   ~ +85

DIP
  19*19*10.5

100M

±20

±0.3

1W

450mW

-155

-55   ~ +85

DIP
  20.4*12.7*8.5

 

 

6. Clock Module

 

 

 

6.1  Clock Module (Built in TCXO, ultra-wide temperature)

 

Type

Sync. acc
  (ns)

Hold

Freq. tolerance
  (ppb)

Phase noise
  (dBc/Hz@1K)

Operating temp.
  (℃)

Dimension
  (mm)

CM11T

±50

±5μs/1H
  (△T=±2℃)

±50

-138

-40   ~ 105

10.0*10.0*2.2

 

6.2  Clock Module (Built in OCXO, ultra-high precision)

 

Type

Sync acc.
  (ns)

Hold

Freq. tolerance
  (ppb)

Phase noise
  (dBc/Hz@1K)

Operating temp.
  (℃)

Dimension
  (mm)

CM55

±30

±1.5μs/24H
  (△T=±15℃)

±0.1

-155

-40   ~ 85

51.0*51.0*13.0

CM22

±50

±1.5μs/24H
  (△T=±10℃)

±0.3

-155

-40   ~ 85

20.2*20.2*9.0

 

6.3  Clock Module (Built-in OCXO, High frequency ,Low noise)

 

Type

Sync acc.
  (ns)

Frequency

Freq. tolerance
  (ppb)

Phase noise
  (dBc/Hz@1K)

Operating temp.
  (℃)

Dimension
  (mm)

CM30

1E-11

100MHz

±50

-160

-45   ~ 85

30.0*25.0*12.4

 

6.4  Clock Module (Built in OCXO and GNSS receiver)

 

Type

Sync. acc
  (ns)

Hold

Temp. acc
  (ppb)

Phase noise
  (dBc/Hz@1K)

Operating temp.
  (℃)

Dimension
  (mm)

CM66

±30

±1.5μs/24H
  (△T=±15℃)

±0.1

-155

-40   ~ 85

60.0*60.0*13.0

 

6.5  Clock Module (Built in OCXO and 1588 chip)

 

Type

Sync. acc
  (ns)

Hold

Interface

Input

Freq. output

Dimension
  (mm)

CM35P

±50

±1.5μs/8H
  (△T=±5℃)

2-channel
  SGMII

3-channel
  Seamless switching

4-channel
  Any freq.

40.0*35.0*13.0

 

  • Support NTP server and client

  • Support PTP GM, slave and BC

  • Support IEEE1588v2

  • Support syncE + PTP