73K212AL TDK [TDK Electronics], 73K212AL Datasheet - Page 18

• Manufacturer Part Number: 73K212AL
• Description: V.22, V.21, Bell 212A, Bell 103 Single-Chip Modem with Integrated Hybrid
• Manufacturer: TDK [TDK Electronics]

DYNAMIC CHARACTERISTICS AND TIMING
V.22, V.21, Bell 212A, Bell 103
Single-Chip Modem with Integrated Hybrid
PARAMETER
CARRIER DETECT
Threshold
Delay Time
Hysteresis
Hold Time
ANSWER TONE DETECTOR
Detect Level
Delay Time
Hold Time
Detect Frequency Range
OUTPUT SMOOTHING FILTER
Output
Spurious Frequency Components
Clock Noise
CARRIER VCO
Capture Range
Capture Time
RECOVERED CLOCK
Capture Range
Data Delay Time
DPSK or FSK
CONDITION
Receive data
-70 dBm0 to -30 dBm0 STEP
Single tone detected
-30 dBm0 to -70 dBm0 STEP
Not in V.21 mode
-70 dBm0 to -30 dBm0 STEP
-30 dBm0 to -70 dBm0 STEP
TXA1 to TXA2, loaded as shown
in Figure 1 (2% THD)
Frequency = 76.8 kHz
Frequency = 153.6 kHz
TXA pin; 76.8 kHz
Originate or Answer
-10 Hz to +10 Hz Carrier
Frequency Change Assumption
% of frequency
center frequency
(center at 1200 Hz)
Analog data in at RXA pin to
receive data valid at RXD pin
(continued)
18
-625
±2.5
MIN
-2.5
-48
-48
-10
15
10
20
10
2
NOM
3.0
40
30
MAX
+625
+2.5
+10
100
-43
-42
-39
-45
1.0
45
24
45
30
50
mVrms
dBm0
dBm0
dBm0
dBm0
UNIT
ppm
ms
ms
ms
ms
ms
ms
dB
Hz
%
V