參數資料
型號: TDA7462D
廠商: STMICROELECTRONICS
元件分類: 消費家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PDSO28
封裝: SOP-28
文件頁數: 23/25頁
文件大?。?/td> 385K
代理商: TDA7462D
ELECTRICAL CHARACTERISTICS (continued)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
GENERAL
eNO
Output Noise
BW = 20 Hz to 20 KHz
output muted
315
V
BW = 20 Hz to 20 KHz
all gain = 0dB single ended
inputs
10
20
V
S/N
Signal to Noise Ratio
all gains = 0dB flat; VO = 2VRMS
106
dB
bass treble at 12dB;
a-weighted; VO = 2.6VRMS
100
dB
d
Distortion
VIN = 1VRMS; all stages 0dB
0.005
0.1
%
VIN = 1VRMS; Bass & Treble = 12dB
0.05
0.1
%
SC
Channel separation Left/Right
80
100
dB
ET
Total Tracking Error
AV = 0 to -20dB
-1
0
1
dB
AV = -20 to -60dB
-2
0
2
dB
MAIN FEATURES SUMMARY
Input Multiplexer
One fully differential CD stereo input with
switchable attenuation
One quasi-differential stereo input
Three single-ended stereo inputs
One1 differential mono input
In-Gain 0..15dB, 1dB step
Internal Offsetcancellation (AutoZero)
Separate source selector for rear channel
Beep
Internal beep with 2 frequencies
Mixing stage
4 step-mixing stage with phone or rear-selector
as mix-signals
Loudness
Second order frequency response
Programmable center frequency and quality
factor
15 x 1dB attenuation steps
Selectable flat-mode (constant attenuation)
Volume
0.5dB attenuion step
80dB control range
Soft-step control with programmable times
Compander
Dynamic range compression for use with CD
source
2:1 compression rate
Max. gain 15dB
Bass
2nd order frequency response
Center frequency programmable in 4 steps
DC gain programmable
15 x 1dB steps
Treble
2nd order frequency response
Center frequency programmable in 4 steps
7 x 2dB steps
Voice Bandpass
2nd order Butterworth highpass filter with pro-
grammable cut-off frequency
2nd order butterworth lowpass filter with pro-
grammable cut-off frequency
Speaker
Four independent speaker controls in 1dB
steps
Control range 50dB
Separate Mute drive
Subwoofer
Differential mono output
Control range 50dB
2nd order lowpass filter
Mute Functions
Direct mute
TDA7462
7/25
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