DB315A Datasheet, PDF (8/11 Pages) CML Microcircuits – Low Distortion Sinewave Output

CTCSS Encoder
8
5. Performance Specification
5.1 Electrical Performance
5.1.1 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
Min.
-0.3
-30
-55
Max.
7.0
800
10
+85
+125
MX315A
Units
V
mW
mW/°C above 25°C
°C
°C
5.1.2 Operating Limits
Correct operation of the device outside these limits is not implied.
V_DD
Operating Temperature
Clock
Notes
Note 1
Min.
4.5
-30
Typ.
5.0
1
Max.
5.5
85
Units
V
°C
MHz
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
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
Notes
1
2
3
3
3
Min.
3.5
550
Typ.
1.5
500
10
775
1
2
0.1
Max
Units
4.5
mA
k
M
V
1.5
V
mV_RMS
ms
5
mA
5
%
dB
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.

1998 MXCOM, INC.
www.mxcom.com tel: [phone] 744 5050 fax: [phone]
Doc. # 20480054.006
4800 Bethania Station Road, Winston-Salem, NC 27105-1201 USA All Trademarks and service marks are held by there respective companies.