Temperature Compensated
Crystal Oscillators
KT16 Series
FEATURES
• Miniature SMD type
(7.0x5.2.0x1.8mm)
• Frequency adjustment free
after reflow soldering process
• AFC function available
• 2.7V, 3.0V, 3.3V
drive available
• Frequency Stability =
±2ppm at 30 to +80°C
APPLICATIONS
DIMENSIONS
7.0 (0.276)
±0.3
(0.012)
millimeters (inches)
• PDC, GSM, CDMA, TDMA
HOW TO ORDER
KT16 - D C V 30 L - 19.680M
T
T = Tape and reel 4,000 pcs/reel
Marking Area
5.2 (0.205)
±0.3
(0.012)
#1 pin mark
Packaging
Frequency (MHz)
12.800
13.000
14.400
14.850
16.800
19.200
19.440
19.680
19.800
1.8 (0.071) max
5.08 (0.200)
1.0 (0.039)
1
3.2 (0.126)
4
1.0 (0.039)
3
2
Pin Configuration
AFC Function
L = Yes
➀
➁
➂
➃
V
CON
GND/CASE GND
OUTPUT
+Vcc
Supply Voltage
28 = 2.8V,
30 = 3.0V
Upper Operating Temp.
V = 80°C, T = 70°C, R = 60°C
Lower Operating Temp.
C = -30°C, G = -10°C, E = -20°C
1.2 (0.047)
0.4 (0.016)
Frequency Stability
K = ±5ppm, E = ±2.5ppm,
D = ±2.0ppm
TEST CIRCUIT
Test Circuit 1 (Amplitude)
A
Synchronized
Scope Counter
POWER
SUPPLY
Vcc
Series
Test Circuit 2 (Harmonics and Frequency)
A
Spectrum
Analyzer
POWER
SUPPLY
Vcc
V
4 3
OSCILLATOR
1 2
Vcon or N.C.
10kΩ
±5%
100kΩ
C1
V
4 3
OSCILLATOR
1 2
Vcon or N.C.
10kΩ
±5%
100kΩ
10pF
±5%
SPECIFICATIONS
Items
Supply Voltage
Code
V
CC
26.000
19.680
13.000
-30 to +80
-40 to +85
±2.0 max.
±2.5 max.
±0.2 max.
±0.3 max.
±1.0 max.
0.8 min.
1.5 max.
—
±8.0 to ±15
-3.0 max.
Specifications
Cellular
2.7
3.0
3.3
19.440
14.400
12.800
Unit
V
MHz
°C
°C
ppm
ppm
ppm
ppm/year
Vp-p
mA
ppm
ppm
dBc
Remarks
—
—
—
—
vs temperature (after reflow)
vs load
vs voltage
25°C±2°C
load 10kΩ/10pF
—
—
—
—
Output Frequency
Operating Temperature
Storage Temperature
Frequency Stability
Aging Rate
Output Voltage
Supply Current
Trimmer Control Range
Voltage Control Range
Harmonics
fo
Topr
Tstg
f/fo
Aging
Vout
Icc
f/C
f/V
—
43
Embedded System
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