Q-Tech HIGH TEMPERATURE - Manual (Page 5)

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Q-TECH Corporation - 10150 W. Jefferson Boulevard, Culver City 90232 - Tel: 310-836-7900 - Fax: 310-836-2157 - www.q-tech.com
HIGH-TEMPERATURE UP TO 225ºC
CRYSTAL CLOCK OSCILLATORS
3.3 to 15Vdc - 1Hz to 110MHz
High-Temperature (Revision E, October 2010 ) (ECO# 10001)
Q-TECH
CORPORATION
Frequency vs. Temperature Curve
Output Waveform (Typical)
QT50-20MHz Hi-Temp Low Current Design
S/N temp I at 3.3v I at 3.63v I at 5.0v I at 5.5v
1146 +25ºC 1.08 1.17 1.66 1.81
1141 +25ºC 1.07 1.19 1.66 1.82
1146 +200ºC 1.35 1.48 2.005 2.18
1141 +200ºC 1.38 1.5 2.02 2.21
FREQUENCY STABILITY VS. TEMPERATURE 32.768kHz OUTPUT
-30
-25
-20
-15
-10
-5
0
5
10
15
20
25
30
25 35 45 55 65 75 85 95 105 115 125 135 145 155 165 175
Temperature in °C
Frequency error in PPM
FREQUENCY STABILITY VS. TEMPERATURE QT50HC8-16MHz
-200
-175
-150
-125
-100
-75
-50
-25
25
50
0 20 40 60 80 100 120 140 160 180 200
Temperature in °C
Frequency error in PPM
0
Vdd
GND
0.1xVdd
0.9xVdd
VOH
VOL
Tr Tf
TH
T
0.5xVdd
SYMMETRY = x 100%
TH
T
FREQUENCY STABILITY QT75L8-20.000MHz
-250
-220
-190
-160
-130
-100
-70
-40
-10
20
50
80
110
140
170
200
230
0 20 40 60 80 100 120 140 160 180 200
Temperature in °C
Frequency error in PPM
-
-
Output
Ground
Vdd
DUT
Out
GND
0.1µF
15pF
E/D
Tristate Function
Power
Supply
10k
mA
Vdc
+
+
+
(*)
or
0.01µF
(*) CL includes probe and jig capacitance
Typical test circuit for CMOS logic
Test Circuit
Units are in mA
-50
0
50
100
150
200
250
300
350
400
450
Fr
eq
ue
nc
y
er
ro
r i
n
PP
M
FREQUENCY STABILITY VS. TEMPERATURE QT81-7.5MHz 0 to 225°C
-250
-200
-150
-100
50
0 25 50 75 100 125 150 175 200 225
F
Temperature in °C