MT8840 ISO2-CMOS
A.C. Characteristics (Continued)
Characteristics
Sym Min Typ Max Unit
Test Conditions
44 D Inband Noise Rejection (S/N)
12
45 E Attenuation to Voice Signals
M
46 O Detect Filter Q
40
Q
3.8
47 D Detector Center Frequency
32
dB Input Sig. (RxI) = 400mVpp
dB fin = 0 - 5KHz
kHz
Notes: 1.
2.
All A.C. parameters are based on a typical data rate of 2 kbit/s.
Measured with no external resistor to DET input. Detection level internally set to 2.36V typical.
5-10