CTCSS Encoder
8
MX315A
5. Performance Specification
5.1
5.1.1
Electrical Performance
Absolute Maximum Ratings
Exceeding these maximum ratings can result in damage to the device.
General
Supply Voltage
J / P /DW Packages
Total Allowable Device Dissipation at T
AMB
= 25°C
Derating above 25°C
Operating Temperature
Storage Temperature
5.1.2
Operating Limits
-30
-55
800
10
+85
+125
mW
mW/°C above 25°C
°C
°C
Min.
-0.3
Max.
7.0
Units
V
Correct operation of the device outside these limits is not implied.
Notes
V
DD
Operating Temperature
Clock
Operating Limits Note:
1. “X1” is a parallel resonant crystal. A reference frequency of 1 MHz ±0.19% is required to maintain a
tone accuracy within 0.5%.
5.1.3
Operating Characteristics
For the following conditions unless otherwise specified:
V
DD
= 5.0V , T
AMB
= 25°C, Xtal Frequency = 1MHz
Notes
Supply Current (operating)
Input Impedance
Input Impedance
Logic Input “1”
Logic Input “0”
TX Output EMF
TX Risetime
TX Tone Output Load Current
TX Distortion
Variation in Output Level Between Tones
Operating Characteristics Notes:
1. Refers to D0, D1, D2, D3, D4, D5, TX Enable and
TX Enable
inputs
2. Refers to Xtal/Clock input
3. Any program tone and R
L
= 600, C
L
= 15pF. THD measurements are taken in the 0-6 kHz
bandwidth.
3
3
2
0.1
3
550
775
1
5
5
1
2
3.5
1.5
Min.
Typ.
1.5
500
10
Max
4.5
Units
mA
k
M
V
V
mV
RMS
ms
mA
%
dB
Note 1
Min.
4.5
-30
1
Typ.
5.0
Max.
5.5
85
Units
V
°C
MHz
1998 MXCOM, INC.
www.mxcom.com
tel: 800 638 5577 336 744 5050 fax: 336 744 5054
Doc. # 20480054.006
4800 Bethania Station Road, Winston-Salem, NC 27105-1201 USA
All Trademarks and service marks are held by there respective companies.
CMLMICRO [ CML MICROCIRCUITS ]
