CMX673D4 CML Microcircuits, CMX673D4 Datasheet - Page 10

• Manufacturer Part Number: CMX673D4
• Description: DTMF Receiver, 3.58MHz, 5V, CMOS, 16-SOIC
• Manufacturer: CML Microcircuits

Operating Characteristics
For the following conditions unless otherwise specified:
Notes:
DC Parameters
AC Parameters
Xtal/Clock Input
Level Detector
Call Progress Band
Logic Interface
2001 Consumer Microcircuits Limited
Must Detect Signal Level
Must Not Detect Signal Level
Must Detect Range
Must Not Detect Range
I
I
SIGIN pin
Input Impedance
Minimum Input Signal Level
Input Signal Dynamic Range
Signal to Noise Ratio
‘High’ Pulse Width
‘Low’ Pulse Width
Gain (I/P = 1mVrms at 100Hz)
Input Logic “1” Level
Input logic "0" level
Input leakage current (Vin = 0 to V
Input Capacitance
Output logic "1" level (l
Output logic "0" level (l
DD
DD
(ENABLE = ‘1’)
(ENABLE = ‘1’)
Xtal Frequency = 3.579545MHz, S/N = 16dB, Noise Bandwidth = 5kHz,
V
DD
1. Not including any current drawn from the detector pins by external circuitry.
2. Small signal impedance over the frequency range 100Hz to 2000Hz and at V
3. Timing for an external input to the XTAL/CLOCK pin.
4. Input signal level at V
5. ENABLE pin.
6. DETECT pin.
7. Nominal values which are subject to dynamic tolerances within the signal analysis process,
= 3.0V to 5.0V, Tamb = -40°C to +85°C. 0dB = 775mVrms.
as a result of using stochastic signal processing techniques.
OH
OL
= 360µA)
= 120µA)
(V
(V
DD
DD
DD
DD
= 5.0V)
= 3.0V)
= 5.0V, scale signal for different V
)
10
Notes
1
1
2
3
3
4
4
7
5
5
5
5
6
6
-38.0
Min.
40.0
16.0
20.0
100
100
-5.0
315
750
80%
90%
DD
-38.0
Typ.
10.0
1.0
0.5
0.1
.
-50.0
Max.
20%
+5.0
10%
650
250
1.5
1.0
DD
= 5.0V.
D/673/5
Units
V
V
V
V
mA
mA
M
Hz
Hz
µA
dB
dB
dB
dB
dB
pF
ns
ns
DD
DD
DD
DD