575 Datasheet, PDF (3/4 Pages) CTS Corporation – Temperature Compensated Crystal Oscillator

TEST CIRCUIT, R_L//C_L LOAD
+
-
mA
+
POWER
SUPPLY
-
+
VM
-
0.01uF
4
3
D.U.T.
1
2
Control Voltage
10K Ω
10pF
Including probe
capacitance.
Model 575
7x5mm Ceramic Package
Clipped Sinewave VCTCXO
D.U.T. PIN ASSIGNMENTS
PIN SYMBOL
DESCRIPTION
1
V_C
Control Voltage (Note 1)
2
GND Circuit & Package Ground
3
Output Clipped Sine Wave Output
4
V_CC
Supply Voltage
Note:
1. Connect to ground for TCXO (no AFC) option.
MECHANICAL SPECIFICATIONS
PACKAGE DRAWING
(7.0 ±0.2)
0.276 ±0.008
(1.4 ±0.1)
0.055 ±0.004
{Pads 1 - 4}
3
4
(5.0 ±0.2)
CXXX YM
0.197 ±0.008
(1.9 ±0.1)
0.075 ±0.004
2
1
(0.8 ±0.1)
0.031 ±0.004
{Pads 1 - 4}
(0.3 ±0.1)
0.012 ±0.004
(2.0) _MAX
0.079
(2.7 ±0.1)
0.106 ±0.004
Key: ^(mm)
Inch
NOTES
1. DO NOT make connections to non-labeled pins.
Castellation pins may have internal connections used in the
manufacturing process.
2. Termination pads (e4), barrier-plating is nickel (Ni) with
gold (Au) flash plate.
3. Reflow conditions per JEDEC J-STD-020.
MARKING INFORMATION
1. C – CTS and Pin 1 identifier.
2. XXX – Frequency. See Table I for codes.
3. YM – Date code, Y – year, M – month, see
Table II for codes.
TABLE I - FREQUENCY CODING
Frequency
10.0 MHz
12.8 MHz
13.0 MHz
14.4 MHz
15.36 MHz
16.8 MHz
Marking Code
100
128
130
144
153
168
Frequency
19.2 MHz
19.44 MHz
19.68 MHz
19.8 MHz
20.0 MHz
26.0 MHz
Marking Code
192
194
196
198
200
260
TABLE II – DATE CODE
Year
4 = 2004
5 = 2005
6 = 2006
7 = 2007
8 = 2008
9 = 2009
Month
1 = January
2 = February
3 = March
7 = July
8 = August
9 = September
4 = April
10 = October
5 = May
11 = November
6 = June
12 = December
SUGGESTED SOLDER PAD GEOMETRY
C BYPASS
.225 [5.71]
4
3
.165 [4.20]
1
.047 [1.20]
2
.071 [1.80]
C_BYPASS should be ≥ 0.01 uF.
[mm]
Key: _Inch
SUGGESTED REFLOW PROFILE
300
200
Temp.
(°C)
100
Maximum 260°C, 10 seconds
Typical 245°C
130°C
0
0 30 60 90 120 150 180 210 240 270 300
Time (Seconds)
Document No. 008-0307-0
Page 3 - 4
Ù  Ù  Ù  CTS Electronic Components, Inc. Ù  171 Covington Drive Ù  Bloomingdale, IL 60108 Ù  Ù  Ù 
Rev. A