Model : QT25
Type:
Crystal Oscillator
Pin Configuration
VCC
13
GND
10
OUT
11
CASE
10
ITP
7, 16
Equivalent Military Designation:
N/A
Frequency Options
Frequency Stability vs Temperature
±%
.01
.005
.0005
.0025
.005
.005
.01
.005
.01
0.01 Hz to 100 MHz
TTL
Code
0.01 Hz to 15 MHz (5 to 15V)
CMOS **
1
0.03 Hz to 100 MHz
HCMOS/ACMOS
4
1 MHz to 160MHz
ECL
3**
** Indicate supply voltage : QT25C9M-10.000 MHz, 15
5
V
6
9
10
11
12
± PPM
100
50
5
25
50
50
100
50
100
Temp
0°C to +70°C
0°C to +70°C
0°C to +50°C
-20°C to +70°C
-55°C to +105°C
-55°C to +125°C
-55°C to +125°C
-40°C to +85°C
-40°C to +85°C
** Requires external tuning capacitors. Consult the factory for pin
connections. For frequencies above 30 MHz, consult the factory.
For frequency stability vs. temperature options not listed herein, request a
custom part number.
Screened
Output Logic
Screened
Output Logic
TTL
T
CMOS
C
High Speed CMOS
HC
Advanced CMOS
AC
Low Voltage, 3.3 V
L
10 K ECL
E
10 KH ECL
EH
100 K/300 K ECL
EF
+ 5V ECL
PE
Special CMOS*
Z
D
= Tristate Output
(add "D" as a suffix to the above listed options)
* Output logic can drive up to 200 pF load with typical
6
ns rise & fall time (tr, tf).
Phase Noise
Factory Options
Electrical Specifications
ITEM
SUPPLY
VOLTAGE
SUPPLY
CURRENT
(Typical)
TTL
5 V ± 10%
CMOS
5.0 TO 15.0 V
HC/ACMOS***
5 V ± 10%**
ECL
-5.2 V std. for 10 K/10 KH output
-4.5 V std. for 100 K/300 K output
35 mA (typ) for 10K
66 to 100 MHz: 80 mA
50 to 66 MHz: 40 mA
27 to 50 MHz: 25 mA
6.5 to 27 MHz: 12 mA
.01 Hz to 6.5 MHz: 20 mA
2 to 4 mA @ 5 V and 6 MHz
Special supply voltage or
current available.
Ultra low current for battery
operation also available.
Typical 10 k ohm shunted with
15 pf. capacitor
4 to 15 MHz: 60/40%
< 4 MHz: 45/55%
HC = 6 mA @ 10 MHz
AC = 20 mA @ 35 MHz
Special supply voltage or current
available.
Ultra low current for battery
operation also available.
Typical ± 2 mA drive.
Can drive 1 TTL load.
≥
10 MHz: 60/40%
< 10 MHz: 45/55%
LOAD
> 30 to 65 MHz: 6 TTL
< 30 MHz: 10 TTL
≥
8 MHz: 60/40%
< 8 MHz: 45/55%
Standard ECL, designed for 20
ECL Loads.
60/40%
SYMMETRY*
* Optional symmetry selections are 45/55 or 47.5/52.5 Custom symmetry is also available upon request.
** Parts are available with supply range of 2.5 to 6 Volts.
*** Low voltage logic avaliable, Vcc = 3.3 V ± 10%, Current = 12 mA @ 40 MHz, Drive capability = 15 pf
Analog electronics
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