FX828D2 CMLMICRO [CML Microcircuits], FX828D2 Datasheet - Page 28

• Manufacturer Part Number: FX828D2
• Description: CTCSS/DCS/SELCALL Processor
• Manufacturer: CMLMICRO [CML Microcircuits]

CTCSS/DCS/SELCALL Processor
Operating Characteristics
For the following conditions unless otherwise specified:
© 2009 CML Microsystems Plc
DC Parameters
AC Parameters
"C-BUS" Interface
At V
I
I
I
I
I
At V
I
I
I
I
I
Input Logic "1"
Input Logic "0"
Input Leakage Current (Logic "1" or "0")
Input Capacitance
Output Logic "1" (I
Output Logic "0" (I
"Off" State Leakage Current (Vout = V
TONE Decoder
Sensitivity
CTCSS
Response Time
De-response Time
Frequency Range
SELCALL
Response Time
De-response Time
Frequency Range
DCS Decoder
Bit-Rate Sync Time
Sensitivity
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
CTCSS or Selcall)
AUDIO)
CTCSS or Selcall)
AUDIO)
(all powersaved)
(FAST DETECT Enabled)
(Rx Operating - DCS, FAST DETECT and
(Tx Operating - DCS or Selcall or SUB
(Tx Operating - DCS and Selcall)
(all powersaved)
(FAST DETECT Enabled)
(Rx Operating - DCS, FAST DETECT and
(Tx Operating - DCS or Selcall or SUB
(Tx Operating - DCS and Selcall)
DD
DD
Xtal Frequency = 4.032MHz
Audio Level 0dB ref = 308mVrms at 1kHz
V
Composite Signal = 308mVrms at 1kHz + 75mVrms Noise + 31mVrms Sub-Audio Signal
Noise Bandwidth = 5kHz Band Limited Gaussian
DD
= 3.3V
= 5V
= 3.3V to 5.0V, Tamb = -40°C to +85°C.
OH
OL
= 360µA)
= 120µA)
(Pure Tone)
(Composite Signal)
(Composite Signal)
(Good Signal)
(Good Signal)
DD
)
28
Notes
2
2
2
2
2
2
2
2
2
2
6
1
5
Min.
70%
90%
-1.0
625
60
58
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-26.0
Typ.
140
145
0.5
0.7
1.0
0.7
0.8
1.0
1.1
1.7
1.2
1.3
22
14
2
-
-
-
-
-
-
-
-
-
-
Max.
3000
30%
10%
253
116
1.0
2.5
4.5
3.0
4.0
1.5
4.5
7.5
6.0
6.5
1.0
7.5
10
-
-
-
-
-
-
-
-
mVp-p
edges
Units
V
V
V
V
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
ms
ms
ms
ms
µA
µA
dB
Hz
Hz
pF
DD
DD
DD
DD
D/828/4
FX828