73K222AL-IHR 查看數據表（PDF） - Teridian Semiconductor Corporation
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73K222AL-IHR Datasheet PDF : 27 Pages
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DYNAMIC CHARACTERISTICS AND TIMING (continued)
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 load
Spurious Frequency Comp.
TXA pin Output Impedance
Clock Noise
Carrier VCO
Capture Range
Capture Time
Recovered Clock
Capture Range
Data Delay Time
CONDITION
DPSK or FSK
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
TXA pin; FSK Single
Tone out for THD = -50 db
in 0.3 to 3.4 kHz
Frequency = 76.8 kHz
Frequency = 153.6 kHz
TXA pin; 76.8 kHz
Originate or Answer
-10 Hz to +10 Hz Carrier
Frequency Change Assumed.
% of frequency
center frequency
(center at 1200 Hz)
Analog data in at RXA pin to
receive data valid at RXD pin
73K222AL
V.22, V.21, Bell 212A, 103
Single-Chip Modem
DATA SHEET
MIN NOM MAX UNIT
-49
-42
dBm0
15
45
ms
2
3.0
dB
10
24
ms
-49.5
20
10
-2.5
-42
dBm0
45
ms
30
ms
+2.5
%
10
kΩ
50
pF
-39
dBm0
-45
dBm0
200
300
Ω
1.0 mVrms
-10
+10
Hz
40
100
ms
-625
+625
ppm
30
50
ms
Page: 18 of 27
© 2007 TERIDIAN Semiconductor Corporation
Rev 6.1
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