TDK 73M2901/5V, Руководство пользователя

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73M2901/5V
Advanced Single
Chip Modem
5
ELECTRICAL SPECIFICATIONS
ABSOLUTE MAXIMUM RATINGS
Operation above maximum rating may permanently damage the device .
PARAMETER RATING
Supply Voltage -0.5V to +7.0V
Pin Input Voltage -0.5V to VPD + 0.5V
Storage Temperature -55ºC to 150°C
RECOMMENDED OPERATING CONDITIONS
PARAMETER RATING
Supply Voltage +5.0V (+/-10%)
Oscillator Frequency 11.0/- 50ppm
Operating Temperature -40C to +85°C
TRANSMITTER
PARAMETER CONDITIONS MIN NOM MAX UNIT
ITU Guard Tone Power 550Hz (relative to carrier)
1800Hz (relative to carrier)
-5
-8
-3.5
-6.5
-2
-5
dB
dB
Calling Tone 1300Hz -11 -9.0 dBm0
1
Answer Tone Power 2225/2100Hz -11 -9.0 dBm0
1
DTMF Transmit Power High band tones
Low band tones
-8.0
-10
-6.0
-8.0
dBm0
1
1
dBm0 refers to the TDK recommended DAA ( 8dB loss from Transmit pins to the line and 5dB loss from the line to the Receive pin). Results
may vary depending on selected DAA. 0dBm = 0.775V
r m s
. dBm = 10log {Vrms
2
/[(1mW)(600O)]}