TDA8745 Datasheet, PDF (23/40 Pages) NXP Semiconductors – Satellite sound receiver with I2C-bus control

Philips Semiconductors
Satellite sound receiver with I²C-bus control
Preliminary specification
TDA8745
SYMBOL
PARAMETER
Overall performance
V_{i 3(rms)}
baseband input sensitivity main
sound carrier (RMS value)
V_{o 23,22}
output voltage
UBS
THD
unbalance output voltage
total harmonic distortion
S/N(A)
signal-to-noise ratio
MUTE_att
α_{ct S/S}
SVRR_P3
mute attenuation
crosstalk attenuation between
secondary channels
supply voltage ripple rejection
1996 Mar 11
CONDITIONS
MIN. TYP. MAX. UNIT
S/N(A) = 40 dB;
−
∆f_S = 27 kHz; NR = on;
DEEM = 75 µs
S/N(A) = 40 dB;
−
∆f_M = 46 kHz; NR = off;
DEEM = 50 µs
secondary channels;
−8
∆f_S = 27 kHz; NR = on;
DEEM = 75 µs
main channel;
−8
∆f_S = 46 kHz; NR = off;
DEEM = 50 µs
secondary channels;
−1
NR = on; DEEM = 75 µs
main channel; NR = off; −1
DEEM = 50 µs
secondary channels;
−
NR = on; DEEM = 75 µs;
note 12
main channel; NR = off; −
DEEM = 50 µs; note 12
A-weighted; secondary 69
channels (synthesizer
included); NR = on;
DEEM = 75 µs; note 12
A-weighted; secondary 72
channels (synthesizer
excluded); NR = on;
DEEM = 75 µs; note 12
A-weighted; main channel 54
(synthesizer included);
NR = off; DEEM = 50 µs;
note 12
A-weighted; main channel 62
(synthesizer excluded);
NR = off; DEEM = 50 µs;
note 12
output select left and right 74
muted
−
V_RR = 100 mV; f_i = 70 Hz; −
NR = on; DEEM = 75 µs
V_RR = 100 mV; f_i = 1 kHz; −
NR = on; DEEM = 75 µs
0.5 1.5 mV
1.5 3
mV
−6 −4 dBV
−6 −4 dBV
−
+1 dBV
−
+1 dBV
0.1 0.5 %
0.1 0.5 %
77 −
dB
80 −
dB
62 −
dB
70 −
dB
90 −
dB
74 −
dB
14.3 −
dB
15.6 −
dB
23