Crystal oscillator
CRYSTAL OSCILLATOR (Programmable)
SPREAD SPECTRUM
OUTPUT: CMOS
SG - 9101
series
•
Frequency range
:
0.67 MHz ~ 170 MHz (1 ppm Step)
•
Supply voltage
:
1.62 V ~ 3.63 V
•
Function
:
Output enable (OE) or Standby (ST)
¯¯
•
Down or Center spread modulation
•
Configurable spreading
3 modulation profile (Hershey-kiss, Sine-wave, Triangle),
4 modulation frequency, 6 spread percentage
•
Package
:
2.5 x 2.0, 3.2 x 2.5, 5.0 x 3.2, 7.0 x 5.0 (mm)
•
PLL technology to enable short lead time
•
Available field oscillator programmer “SG-Writer II”
Product Number (please contact us)
SG-9101CA: X1G00530xxxxx00
SG-9101CB: X1G00531xxxxx00
SG-9101CE: X1G00532xxxxx00
SG-9101CG: X1G00529xxxxx00
CG
CE
CB
CA
Specifications (characteristics)
Item
Supply voltage
Output frequency range
Storage temperature
Operating temperature
Symbol
V
CC
f
O
T_stg
T_use
3.4 mA Max.
1.80 V Typ.
Specifications
2.50 V Typ.
0.67 MHz ~ 170 MHz
-40 ºC ~ +125 ºC
-40 ºC ~ +85 ºC
-40 ºC ~ +105 ºC
3.5 mA Max.
6.0 mA Max.
3.4 mA Max.
1.0
µA
Max.
0.4
µA
Typ.
3.6 mA Max.
3.0 mA Typ.
6.9 mA Max.
5.9 mA Typ.
3.5 mA Max.
1.5
µA
Max.
0.5
µA
Typ.
3.7 mA Max.
3.2 mA Typ.
8.3 mA Max.
7.0 mA Typ.
3.7 mA Max.
2.5
µA
Max.
1.1
µA
Typ.
3.30 V Typ.
1.62 V ~ 1.98 V 1.98 V ~ 2.20 V 2.20 V ~ 2.80 V 2.70 V ~ 3.63 V
Conditions/Remarks
-
Storage as single product.
T_use = +105 ºC
T_use = +25 ºC
T_use = +105 ºC
T_use = +25 ºC
T_use = +105 ºC
T_use = +25 ºC
50 % V
CC
Level
I
OH
/I
OL
Conditions
Rise/Fall time
Current consumption
Output disable current
Standby current
Symmetry
I
CC
2.9 mA Typ.
5.7 mA Max.
3.4 mA Max.
0.9
µA
Max.
0.3
µA
Typ.
4.9 mA Typ.
No load, f
O
= 20 MHz
No load, f
O
= 170 MHz
I_dis
I_std
SYM
OE = GND, f
O
= 170 MHz
ST = GND
¯¯
45 % ~ 55 %
V
OH
90 % V
CC
Min.
Default (f
O
> 40 MHz),
Fast
Vcc
I
OH
[mA]
*A *B *C *D
-2.5 -3.5 -4.0 -5.0
3.5 4.0 5.0
-2.0 -2.5 -3.0
2.0 2.5 3.0
-1.5 -2.0 -2.5
1.5 2.0 2.5
1.98 V ~ 2.20 V,
2.70 V ~ 3.63 V
Output voltage
(DC characteristics)
V
OL
10 % V
CC
Max.
Output load condition
Input voltage
Default
Fast
Slow
L_CMOS
15 pF Max.
70 % V
CC
Min.
30 % V
CC
Max.
3.0 ns Max.
6.0 ns Max.
3.0 ns Max.
10.0 ns Max.
I
OL
2.5
I
OH
-1.5
Default (f
O
≤
40 MHz)
I
OL
1.5
I
OH
-1.0
Slow
I
OL
1.0
*A 1.62 V ~ 1.98 V, *B
*C 2.20 V ~ 2.80 V, *D
-
OE or ST
¯¯
f
O
> 40 MHz
f
O
≤
40 MHz
f
O
= 0.67 MHz ~ 170 MHz
V
IH
V
IL
Rise and Fall
time
Disable Time
Enable Time
Resume Time
Start-up time
tr/tf
20 % - 80 % V
CC,
L_CMOS = 15 pF
t_stp
t_sta
t_res
t_str
1
µs
Max.
1
µs
Max.
3 ms Max.
3 ms Max.
f
O
= 0.67 MHz ~ 20 MHz
Measured from the time OE or ST pin crosses 30 %
¯¯
V
CC
Measured from the time OE pin crosses 70 % V
CC
Measured from the time ST pin crosses 70 % V
CC
¯¯
Measured from the time V
CC
reaches its rated minimum
value, 1.62 V
Spread spectrum configuration
Code
02
C: Center spread
modulation
Spread percentage
±0.25
%
Code
05
D: Down spread
modulation
Spread percentage
-0.5 %
Modulation frequency: 25.4 kHz (default), 6.3 kHz, 8.5 kHz, 12.7 kHz
05
07
10
15
±0.5
%
±0.75
%
±1.0
%
±1.5
%
10
15
20
30
-1.0 %
-1.5 %
-2.0 %
-3.0 %
Modulation profile: Hershey-kiss (default), Sine-wave, Triangle
20
±2.0
%
40
-4.0 %
Product Name
SG-9101CG 170.000000MHz C 20 P H A A A
Package Type
CA: 7.0 mm x 5.0 mm
CB: 5.0 mm x 3.2 mm
CE: 3.2 mm x 2.5 mm
CG: 2.5 mm x 2.0 mm
Spread type
C: Center spread
D: Down spread
Function
P: Output enable
S: Standby
Operating temperature
G: -40 ° ~ +85 °
C
C
H: -40 °C ~ +105 °
C
Modulation frequency
A: 25.4 kHz (default)
B: 12.7 kHz
C: 8.5 kHz
D: 6.3 kHz
A: Hershey-kiss (default)
B: Sine-wave
C: Triangle
A: Default
B: Fast
C: Slow
Crystal oscillator
Pin description
Pin
Name
OE
1
ST
¯¯
2
3
4
GND
OUT
V
CC
Input
Power
Output
Power
Standby
Ground
Clock output
Power supply
I/O type
Input
Output enable
High:
Low:
High:
Low:
Function
Specified frequency output from OUT pin
Out pin is low (weak pull down), only output driver is disabled.
Specified frequency output from OUT pin
Out pin is low (weak pull down),
Device goes to standby mode. Supply current reduces to the least as I_std.
External dimensions
SG-9101CG
(Unit: mm)
Footprint (Recommended)
SG-9101CG
(Unit: mm)
SG-9101CE
SG-9101CE
SG-9101CB
SG-9101CB
SG-9101CA
SG-9101CA
Notes:
In order to achieve optimum jitter performance, the 0.1
µF
capacitor between V
CC
and GND should be placed. It is also
recommended that the capacitors are placed on the device side of the PCB, as close to the device as possible and connected
together with short wiring pattern.
Crystal oscillator
Specification Graph
Current Consumption
8
7
6
Typical supplemental specification. Unless otherwise specified T_use = 25
L_CMOS = 15 pF
, L_CMOS = 15pF
L_CMOS = No load
14
12
10
Icc (mA)
Icc (mA)
5
4
3
2
1
0
0
50
100
150
200
8
6
4
Vcc = 3.3 V
Vcc = 2.5 V
Vcc = 1.8 V
Vcc = 3.3 V
2
0
0
50
100
150
200
Vcc = 2.5 V
Vcc = 1.8 V
fo (MHz)
fo (MHz)
Output disable current
3.5
3
2.5
Standby current
I_dis (mA)
2
1.5
1
Vcc = 3.3 V
0.5
0
0
50
100
150
200
Vcc = 2.5 V
Vcc = 1.8 V
fo (MHz)
Notes:
Spead percentage :
2.0 % , Modulation frequency : 25.4 kHz , Modulation profile : Hershey-kiss
, L_CMOS = 15pF
Specification Graph Typical supplemental specification. Unless otherwise specified T_use = 25
Cycle-to-Cycle Jitter Peak-Peak
220
200
Vcc = 1.8 V
Cycle to Cycle Jitter Peak - Peak (ps)
220
200
180
160
140
120
100
80
60
40
20
0
0
20
40
60
80 100
fo (MHz)
120
140
160
180
Vcc = 2.5 V
220
200
Cycle to Cycle Jitter Peak - Peak (ps)
Vcc = 3.3 V
Rise/Fall time = Default
Rise/Fall time = Fast
Rise/Fall time = Slow
Cycle to Cycle Jitter Peak - Peak (ps)
Rise/Fall time = Default
Rise/Fall time = Fast
Rise/Fall time = Slow
Rise/Fall time = Default
Rise/Fall time = Fast
Rise/Fall time = Slow
180
160
140
120
100
80
60
40
20
0
0
20
40
60
180
160
140
120
100
80
60
40
20
0
0
20
40
60
80 100
fo (MHz)
120
140
160
180
80 100
fo (MHz)
120
140
160
180
Notes:
Spead percentage :
2.0 % , Modulation frequency : 25.4 kHz , Modulation profile : Hershey-kiss
Crystal oscillator
Spread Spectrum Specification Graph
Spread Spectrum Profile
fo : 170 MHz / Spread spectrum :
Hershey-kiss
2.0 % / Modulation frequency : 25.4 kHz
Triangle
Sine-wave
Harmonics Specification Graph
Typical supplemental specification. Unless otherwise specified T_use = 25
Harmonics spectrum ( fo = 20 MHz )
No spread spectrum
Center spread
20
10
0
-10
20
10
0
-10
, L_CMOS = 15pF, Vcc = 3.3 V
2.0 % , Hershey-kiss , 25.4 kHz
Power (dBm)
-20
-30
-40
-50
-60
-70
-80
0
40
80
120
160
200
240
280
320
360
400
frequency (MHz)
Power (dBm)
-20
-30
-40
-50
-60
-70
-80
0
40
80
120
160
200
240
280
320
360
400
frequency (MHz)
Modulation profile
0
fo = 100 MHz Hershey-kiss
-10
fo = 100 MHz Sine-wave
Modulation frequency
0
fo = 100 MHz 25.4 kHz
-10
fo = 100 MHz 6.3 kHz
Attenuation (dBc)
Attenuation (dBc)
11
-20
-30
-40
-50
-60
-70
1
3
5
fo = 100 MHz Triangle
-20
-30
-40
-50
-60
-70
7
9
Harmonics Odd Order
1
3
5
7
9
11
Harmonics Odd Order
Spread percentage
0
fo = 100 MHz ±2.0 %
-10
fo = 100 MHz ±1.0 %
Output frequency
0
fo = 170 MHz
-10
fo = 100 MHz
Attenuation (dBc)
-20
-30
-40
-50
-60
-70
1
3
5
7
Attenuation (dBc)
fo = 100 MHz ±0.25 %
-20
-30
-40
-50
-60
-70
fo = 20 MHz Tr/Tf = fast
9
11
1
3
5
7
9
11
Harmonics Odd Order
Harmonics Odd Order
Notes:
Hermonics order attenuation is normalizing to no-spread spectrum mode.
Crystal oscillator
Specification Graph
Typical supplemental specification. Unless otherwise specified T_use = 25
Fall time L_CMOS = 5 pF
Tr/Tf mode = Slow
Tr/Tf mode = Default
Tr/Tf mode = Fast
, L_CMOS = 15pF
Rise/Fall Time (fo = 20 MHz)
5
4.5
4
3.5
Rise time L_CMOS = 5 pF
Tr/Tf mode = Slow
Tr/Tf mode = Default
Tr/Tf mode = Fast
5
4.5
4
3.5
Rise Time(ns)
Fall Time(ns)
3
3
2.5
2
2.5
2
1.5
1
0.5
0
1.5
2.0
2.5
3.0
3.5
1.5
1
0.5
0
1.5
2.0
2.5
3.0
3.5
Vcc (V)
Vcc (V)
5
4.5
4
3.5
Rise time L_CMOS = 15 pF
Tr/Tf mode = Slow
Tr/Tf mode = Default
Tr/Tf mode = Fast
5
4.5
4
3.5
Fall time L_CMOS = 15 pF
Tr/Tf mode = Slow
Tr/Tf mode = Default
Tr/Tf mode = Fast
Rise Time(ns)
3
Fall Time(ns)
1.5
2.0
2.5
Vcc (V)
3.0
3.5
3
2.5
2
2.5
2
1.5
1
0.5
0
1.5
1
0.5
0
1.5
2.0
2.5
3.0
3.5
Vcc (V)
Harmonics comparison
Center spread
2.0 % , Hershey-kiss , 25.4 kHz
0
-5
-10
Rise/Fall time = Fast
fo = 20 MHz Vcc = 3.3 V
fo = 20 MHz Vcc = 2.5 V
fo = 20 MHz Vcc = 1.8 V
0
-5
-10
Rise/Fall time = Slow
fo = 20 MHz Vcc = 3.3 V
fo = 20 MHz Vcc = 2.5 V
fo = 20 MHz Vcc = 1.8 V
0
-5
-10
comparation of Rise/Fall time Vcc = 3.3 V
fo = 20 MHz, Rise/Fall time=Fast
fo = 20 MHz Rise/Fall time=Default
fo = 20 MHz, Rise/Fall time=Slow
Attenuation (dBc)
Attenuation (dBc)
-15
-20
-25
-30
-35
-40
-45
-50
1
3
5
7
9
11
-15
-20
-25
-30
-35
-40
-45
-50
1
3
5
7
9
11
Attenuation (dbc)
-15
-20
-25
-30
-35
-40
-45
-50
1
3
5
7
9
11
Harmonics Odd Order
Normalize to Vcc = 3.3V.
Harmonics Odd Order
Normalize to Vcc = 3.3V.
Harmonics Odd Order
Normalize to Rise/Fall time = “Fast”.
Notes:
frequency
0.67 M – 20 M
20 M – 40 M
40 M – 170 M
slow
See Slow
-
-
default
See Default
See Default
See Fast
fast
See Fast
See Fast
See Fast
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
