2.0 x 1.6 mm size MHz range crystal unit: FA-128
Features
• Package size:
2.0 x 1.6 mm, t = 0.5 mm Max.
• Frequency range:
16 MHz to 54 MHz
• Frequency tolerance (standard): ±10 x 10
-6
/ ±30 x 10
-6
(@+25 °C)
• Frequency vs. temperature characteristics (standard):
±10 x 10
-6
(-20 °C to +75 °C)
±30 x 10
-6
(-20 °C to +75 °C)
200 Ω Max. (16 MHz < f_nom < 18 MHz)
150 Ω Max. (18 MHz < f_nom < 20 MHz)
100 Ω Max. (20 MHz < f_nom < 24 MHz)
80 Ω Max. (24 MHz < f_nom < 26 MHz)
60 Ω Max. (26 MHz < f_nom < 54 MHz)
FA-128
( 2.0 x 1.6 mm, t = 0.5 mm Max. )
• ESR:
Applications
• Small communication module for consumer and industrial applications
• Wearable devices
• Clock for MCU
Description
The FA-128 has been commercialized as a reference clock for communication modules, which
requires high accuracy, and as a clock for wireless communication and microcomputers for applications
that require miniaturization (TWS (True Wireless Stereo), Smart Watch, etc.).
The products created using the element processing technology cultivated over many years contribute
to improving the performance of the customer's system.
Outline Drawing and Terminal Assignment
2.0±0.1
#4
#3
1.6±0.1
2600M
E66RA
#1
#2
0.5 Max.
0.65
#1
0.6
#2
Internal connection
(TOP VIEW)
Pin
#1
#2
#3
#4
Connection
X'tal
GND
X'tal
GND
0.45 0.5
#4
#1
#3
#2
C 0.2 Min.
#4
#3
#2 and #4 are connected to the cover.
(Please connect to ground)
Page 1 / 10
文書No
FA-128_J_Ver0.1
[ 1 ] Product Number / Product Name
(1-1) Product Number
Q22FA1280xxxx18 (Please
contact Epson for details)
(1-2) Product Name (Standard Form)
FA-128
24.000000MHz 12.0 +10.0-10.0
① ②
③ ④
①Model ②Frequency ③Load
capacitance (pF)
④Frequency
tolerance (x10
-6
, +25 °C)
In
addition to the mentioned above specification items (① to
④),
pleases
specify the frequency vs. temperature characteristics.
[ 2 ] Absolute Maximum Ratings
Rating value
Item
Storage temperature range
Symbol
Min.
T_stg
-40
Typ.
-
Max.
+125
°C
Satisfy environmental
characteristics specifications
Unit
Note
[ 3 ] Operating Conditions
Rating value
Item
Symbol
Min.
Operating temperature range
Level of drive
T_use
DL
-40
-40
1
Typ.
-
-
Max.
+85
+105
200
μW
°C
Please contact Epson
Recommended:
1 μW to 100 μW
Unit
Note
[ 4 ] Static Characteristics
Item
Nominal frequency range
Symbol
f_nom
Specifications
16.000 to 54.000
Unit
MHz
T_use = +25 °C ± 3 °C
DL = 100 μW
Does not include
frequency aging
Please contact Epson for
requirements not listed in the
specifications
Reference at
T_use = +25 °C ± 3 °C
-20 °C to +75 °C
Please contact Epson for
requirements not listed in the
specifications
Please specify
π circuit IEC 60444-2
T_use = Operating
temperature range
DL = 100 μW
Condition / Remarks
Frequency tolerance
(Standard)
f_tol
±10
±30
x10
-6
Frequency vs.
temperature characteristics
(Standard)
Load capacitance
Motional resistance (ESR)
Shunt capacitance
Frequency aging
Table 1.
Frequency
16 MHz < f_nom < 18 MHz
18 MHz < f_nom < 20 MHz
20 MHz < f_nom < 26 MHz
24 MHz < f_nom < 26 MHz
26 MHz < f_nom < 54 MHz
f_tem
±10
±30
x10
-6
CL
R1
C0
f_age
6 to ꝏ
Table 1.
3.0 Max.
±1 Max.
(16 MHz < f_nom < 40 MHz)
±2 Max.
(40 MHz < f_nom < 54 MHz)
pF
Ω
pF
x10
-6
T_use = +25 °C ± 3 °C
First year
R1
200 Ω Max.
150 Ω Max.
100 Ω Max.
80 Ω Max.
60 Ω Max.
Page 2 / 10
文書No
FA-128_J_Ver0.1
[ 5 ] Example of Frequency Temperature Characteristics
16 MHz n = 30
19.2 MHz n = 30
20 MHz n = 30
24 MHz n = 30
24.576 MHz n = 30
25 MHz n = 30
Page 3 / 10
文書No
FA-128_J_Ver0.1
26 MHz n = 30
27.12 MHz n = 30
Temperature [°C]
32 MHz n = 30
37.4 MHz n = 30
38.4 MHz n = 30
40 MHz n = 30
Page 4 / 10
文書No
FA-128_J_Ver0.1
48 MHz n = 30
52 MHz n = 30
Page 5 / 10
文書No
FA-128_J_Ver0.1
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