EM57T5-32.768K-2.0/-40+85 [EUROQUARTZ]
HCMOS Output Clock Oscillator, 0.032768MHz Nom, ROHS COMPLIANT, MINIATURE, SMD, 4 PIN;
| 型号： | EM57T5-32.768K-2.0/-40+85 |
| 厂家： | 
EUROQUARTZ LIMITED |
| 描述： | HCMOS Output Clock Oscillator, 0.032768MHz Nom, ROHS COMPLIANT, MINIATURE, SMD, 4 PIN |
| 文件： | 总1页 (文件大小：238K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
QUARTZ
EURO
TCXO
EM57T 32.768kHz
HCMOS 7 x 5 x 2.5mm SMD
Miniature SMD package 7 x 5 x 2.5mm
Real-time clock frequency: 32.768kHz
Stability from ±1.0ppm over -30° to +75°C
±1.5ppm over -40 to +85°C available
Supply voltage 2.8 Volts to 5.0 Volts
0.01uF decoupling capacitor built-in
EM57T-32.768 - OUTLINES AND DIMENSIONS
DESCRIPTION
EM57T 32.768kHz TCXOs provide tight control of the 32.768kHz real
time clock frequency in a small, industry-standard package. The
TCXOs are packaged in 7x5mm SMD format. With HCMOS output,
close tolerances are available from ±1.0ppm over -10° to +60°C.
SPECIFICATION
Product:
Frequency:
EM57T-32.768
32.768kHz
Output Waveform:
Initial Calibration Tolerance*:
Operating Temperature Range:
Frequency Stability
vs. Ageing:
Square wave HCMOS
±3ppm at 25°C
See table
±1.0 ppm max. first year
±0.3 ppm max. ±5% change
±0.3 ppm max. ±10% change
±1ppm max. for one reflow
(Measured after 24 hours)
+2.8 VDC (Code ‘28’)
vs. Voltage Change:
vs. Load Change:
vs. Reflow:
Supply Voltage:
+3.0 VDC (Code ‘3’)
+3.3 VDC (Code ‘33’)
+5.0 VDC (Code ‘5’)
Output Voltage Level (Vdd = 3.0V)
Logic ‘1’ HIGH:
2.7V minimum
Logic ‘0’ LOW:
Rise & Fall Times:
Duty Cycle (Symmetry):
Start-up Time:
10% Vdd maximum
3ns typical (20~80% Vdd)
50%±10% (at 50%Vdd)
2ms typical
EM57T-32.768 - TEST CIRCUIT
Current Consumption:
3.5mA typical at Vdd = 3.3V
7.0mA typical at Vdd = 5.0V
15pF
Output Load:
SSB Phase Noise:
Output Format:
Storage Temperature:
See table
AC block, DC coupled
-50° to +100°C
* Stability over temperature will be from this measured initial frequency
FREQUENCY STABILITY
Frequency Stability (ppm)
0 ~ +50
±1.0
±1.5
±2.0
±2.5
-10 ~ +60
Temperature
-20 ~ +70
Range (°C)
EM57T-32.768 - PART NUMBERING PROCEDURE
-30 ~ +75
-40 ~ +85
EM57T3-32.768k-2.5/-30+75
Example:
x
= available
Series Description
Supply Voltage
x = not available
28 = 2.8 VDC
3 = 3.0 VDC
33 = 3.3 VDC
5 = 5.0 VDC
PHASE NOISE
Frequency
Offset
(Hz)
10
100
1k
10k
100k
-150
Stability over OTR (±ppm)
Operating Temperature Range (OTR) (°C)
SSB Phase
Noise
at 25°C
EM57T
32.768kHz
(dBc/Hz)
-65
-100
-130
-150
EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE
Tel: +44 (0)1460 230000 Fax: +44 (0)1460 230001 info@euroquartz.co.uk www.euroquartz.co.uk
相关型号：
EM57T5-32.768K-2.5/-40+85
HCMOS Output Clock Oscillator, 0.032768MHz Nom, ROHS COMPLIANT, MINIATURE, CERAMIC, SMD, 4 PIN
EUROQUARTZ
EM57T5-38.880-0.5/0+50
HCMOS Output Clock Oscillator, 38.88MHz Nom, ROHS COMPLIANT, MINIATURE, CERAMIC, SMD, 4 PIN
EUROQUARTZ
EM57T5-38.880-1.0/-30+75
HCMOS Output Clock Oscillator, 38.88MHz Nom, ROHS COMPLIANT, MINIATURE, SMD, 4 PIN
EUROQUARTZ
EM57T5-38.880-1.0/-40+85
HCMOS Output Clock Oscillator, 38.88MHz Nom, ROHS COMPLIANT, MINIATURE, SMD, 4 PIN
EUROQUARTZ
EM57T5-38.880-1.5/-30+75
HCMOS Output Clock Oscillator, 38.88MHz Nom, ROHS COMPLIANT, MINIATURE, SMD, 4 PIN
EUROQUARTZ
EM57T5-38.880-1.5/-40+85
HCMOS Output Clock Oscillator, 38.88MHz Nom, ROHS COMPLIANT, MINIATURE, SMD, 4 PIN
EUROQUARTZ
EM57T5-38.880-1.5/0+50
HCMOS Output Clock Oscillator, 38.88MHz Nom, ROHS COMPLIANT, MINIATURE, CERAMIC, SMD, 4 PIN
EUROQUARTZ
EM57T5-38.880-2.0/-10+60
HCMOS Output Clock Oscillator, 38.88MHz Nom, ROHS COMPLIANT, MINIATURE, CERAMIC, SMD, 4 PIN
EUROQUARTZ
EM57T5-38.880-2.0/-30+75
HCMOS Output Clock Oscillator, 38.88MHz Nom, ROHS COMPLIANT, MINIATURE, CERAMIC, SMD, 4 PIN
EUROQUARTZ
EM57T5-38.880-2.0/-40+85
HCMOS Output Clock Oscillator, 38.88MHz Nom, ROHS COMPLIANT, MINIATURE, SMD, 4 PIN
EUROQUARTZ
EM57T5-38.880-2.0/0+50
HCMOS Output Clock Oscillator, 38.88MHz Nom, ROHS COMPLIANT, MINIATURE, CERAMIC, SMD, 4 PIN
EUROQUARTZ
©2020 ICPDF网 联系我们和版权申明