73k322l ETC-unknow, 73k322l Datasheet - Page 20

• Manufacturer Part Number: 73k322l
• Description: Ccitt V.23, V.22, V.21 Single-chip Modem
• Manufacturer: ETC-unknow

CCITT V.23, V.22, V.21
Single-Chip Modem
DYNAMIC CHARACTERISTICS AND TIMING
PARAMETER
Special Tone Detectors
Output Smoothing Filter
Clock Noise
Carrier VCO
Recovered Clock
Hold Time
Hysteresis
Detect Freq. Range
Output load
Out of Band Energy
Output Impedance
Capture Range
Capture Time
Capture Range
Data Delay Time
980 or 1650 Hz
V.21 marks
2100 Hz answer tone
1300 Hz calling tone
390 Hz
V.23 back channel mark
980 or 1650 Hz
V.21 marks
(continued)
CONDITION
Any Special Tone
TXA pin; FSK Single
Tone out for THD = -50 dB
in 0.3 to 3.4 kHz
Frequency >12 kHz in all modes
TXA pin, TXA enabled
TXA pin; 76.8 kHz or
122.88 kHz in V.23 main channel
Originate or Answer
-10 Hz to +10 Hz Carrier
Freq. Change Assumed
% of frequency
center frequency
(center at 1200 Hz)
Analog data in at RXA pin to
receive data valid at RXD pin
(continued)
20
-625
MIN
-10
10
10
10
50
-3
4
3
5
2
NOM
0.1
20
40
30
+625
MAX
+10
100
-60
0.4
25
15
10
25
15
+3
50
50
mVrms
dBm0
UNIT
ppm
ms
ms
ms
ms
ms
ms
ms
dB
kΩ
Hz
pF
%
Ω