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Part: EG-2102CA
Category:
Timing Circuits
-> Oscillators
Description: Ultra Low Jitter, High Frequency Pecl Oscillator
Company: Epson Electronics America, Inc.
Datasheet: Download EG-2102CA datasheet File size : 67 kB
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Datasheet text preview:
EG-2102CA
-High frequency PECL Oscillator-
Features · Generates high frequency clock from a high stability SAW (surface acoustic wave) resonator. · Differential LV-PECL output. · Very low jitter/low phase noise. · Small SMD in 7x5mm, Max1.4mm height, ceramic package.ç Applications · 10Gigabit Ethernet, Fibre channel, High-end Server Absolute Maximum Ratings Item Supply Voltage Storage temperature Solder heat resistance of the outer lead Operating range Item Supply voltage Operating temperature Output load Frequency characteristics Item Oscillation Range Frequency Stability
Symbol VCC Tstg Tsol
Unit V °C
MIN. -0.5 -40
TYP.
MAX. +4.0 +100
Condition VCC - GND Stored as bare product after unpacking
Max. 240°C x Max. 10s x 2 times
Symbol VCC TOPR RL
Unit V °C
MIN. 3.0 0 -5
TYP. 3.3
MAX. 3.6 +70 +85
Condition P version R version Terminated to VCC -2V
50
Symbol fosc df/f0
Unit MHz ppm
(VCC=3.0 to 3.6,GND=0.0V,Load=Max,Output bias=Vcc-2.0V) MIN. TYP. MAX. Condition 100
700 +/-100 H stability *1 +/-50 G stability *1 st Aging dfa ppm +/-5 1 year N (Excluding Aging) condition *1 This includes initial frequency tolerance, temperature variation, supply voltage variation, load variation and reflow drift. Condition "A" includes 10yrs aging. Condition "N" doesn't include aging. Electrical characteristics Item Start up time Current consumption Disable current Rise time Fall time Duty at outputs crossing point High level output voltage Low level output voltage High level input voltage Low level input voltage Output disable time Output enable time Phase Jitter *2 Period Jitter *3 n=50000 samples (VCC=3.0 to 3.6,GND=0.0V,Load=Max,Output bias=Vcc-2.0V) MIN. TYP MAX. Condition 10 t=0 at VCC=3.135V 80 100 With 50 load 32 OE=GND 400 20-80% of (VOH-VOL) 400 80-20% of (VOH-VOL) 45 55 P version. 100 to 700MHz 48 52 D version. <350MHz Vcc-1.03 2.35 Vcc-0.88 VCC=3.3V, *4 Vcc-1.81 1.60 Vcc-1.62 VCC=3.3V 0.7VCC OE Terminal. 0.3VCC OE Terminal. 100 When OE turns High to Low. 100 When OE turns Low to High. -3 0.072x10 12KHz to 20MHz, rms 0.103x10 5 3 3 25 4
-3
Symbol tosc I OP I OE t T LH tTHL tw/t VO H VOL VIH VI L TPXZ TPZX tPJ tDJ tRJ tRMS tp - p ta c c
Unit ms mA mA ps ps % V V V V ns ns UI UI ps ps ps ps ps
50KHz to 80MHz, rms 10 4 4 40 5 Deterministic Jitter of Random Jitter of Total jitter distribution Peak to Peak of jitter distribution of Total jitter distribution
Accumulated Jitter *3 n=2 to 50000 cycles *2 Measured by SSB phase noise test equipment. *3 Measured by Time interval analyzer or oscilloscope. *4 VOH = Vcc-1.09 MIN at Ta<0°C
EPSON ELECTRONICS AMERICA, INC. www.eea.epson.com
EG-2102CA Rev 1.1 2Y5
Test circuit
IOP A By-pass capacitor 10µF Power Supply Bypass capacitor 0.01 to 0.1 µF
OE NC
50 Line Impedance
6
Vc c
5
OUT
4
OUT
130
130 Test Point Test Point
GND
OE
1
2
3
82
82
Timing chart
tTLH tTHL Vcc
OUT 80% Outputs crossing 20% OUT VOH tw Duty=tw/t x 100 t GND Output bias Vcc-2.0V VOL
OE function and timing OE terminal High or Open Low Osc. circuit Enable Enable Output Enable Disable (high impedance)
OE VIL Disable
VIH tPZX
Enab l e
tPXZ OUT OUT
high impedance
EPSON ELECTRONICS AMERICA, INC. www.eea.epson.com
EG-2102CA Rev 1.1 2Y5
External Dimensions ( Unit : mm )
#6 #5 #4 #4 #5 #6 1.10 3.90 5.08 1.50 2.40 2.60 #1 #3 #2 1.40 · Soldering pattern 0.94 1.60 7.0 ±0.2 1.4 Max 5.08
E EG-2102 644.531P HPA21MA
#1
(Metallize)
5.0 ±0.2
#2
#3
0.70
No. #1 #2 #3 #4 #5 #6
Pin Name OE N.C. GND OUT OUT V CC
ç
Part Numbering Guide *1 EG-2102CA - (Frequency)M - P H P A
Stability condition Temperature Range Frequency Stability Output Output Frequency *1: Available combination : xHPA, xHPN, xHRA, xHRN, xGPN For xGPA and xGRN, please contact Epson. xGRA is not available. *2: D (Duty+/-2%) is available under 350MHz. A: Including 10yrs Aging P: 0 to +70C H: +/-100ppm R: - 5 to +85C G: +/-50ppm
ç
N: Excluding Aging
P: LVPECL (Duty +/-5%)
D: LVPECL (Duty +/-2%) *2
: see Standard frequency list (4-Digit accuracy)
Standard Frequency List 100.0000 106.2500 125.0000 155.5200 200.0000 212.5000 250.0000 311.0400 400.0000 425.0000 500.0000 622.0800 159.3750 th Please round off 5 digit specify 4-digit accuracy under decimal point. Nominal frequency: *3=161.1328125MHz, *4=322.265625MHz, *5=644.53125MHz
156.2500 312.5000 625.0000
161.1328 *3 322.2656 *4 644.5313 *5
ç
EPSON ELECTRONICS AMERICA, INC. www.eea.epson.com
EG-2102CA Rev 1.1 2Y5
Others parts begin by eg
EG-1 EG-2
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