TEA0675T 데이터 시트보기 (PDF) - Philips Electronics
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TEA0675T Datasheet PDF : 32 Pages
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Philips Semiconductors
Dual Dolby* B-type noise reduction circuit
for playback applications
Preliminary specification
TEA0675
SYMBOL
PARAMETER
CONDITIONS
Vref − VOUT DC output offset voltage
at pins OUTA and OUTB
IO
DC output current
Zo
Vno(rms)
output impedance
equivalent input noise
voltage (RMS value)
VTD
EMC
AMS timing (DC level)
DC offset voltage at
pins OUTA and OUTB
NR off; pins INA1, INA2,
INB1 and INB2 connected
to Vref
pin OUTA to ground
pin OUTB to VCC
NR off; unweighted;
f = 20 Hz to 20 kHz;
Rsource = 0 Ω
resistor Rt connected to
pin TD
f = 900 MHz; Vi(rms)= 6 V;
see Figs 26, 27 and 28
Switching thresholds
VNROFF
INROFF
INRON
VHPB(max)
voltage at HPB (pin 21)
output current
input current
maximum voltage
HPA (PIN 4)
NR off
NR off
NR on
VAMSlON
IAMSlON
pin voltage
output current
VAMSsON
IAMSsON
IAMSOFF
pin voltage
input current
pin current
VHPA(max) maximum voltage
AMSEQ (PIN 19)
AMS-latch on
AMS-scan on
AMS off
AMS output (AMS mode)
VOH
IOH1
IOH2
td
VOL
IOL
tr
AM/P
HIGH level output voltage
HIGH level output current note 1
HIGH level output current note 1
minimum pulse width;
delay time range
see Table 1
LOW level output voltage
LOW level output current
minimum pulse width rise AMS-scan mode
time
AMS-latch mode
signal level at output for
AMS switching
music to pause
AMS mode; f = 10 kHz;
note 2; see Fig.24
MIN.
−0.15
−2
0.3
−
−
VCC − 3
−
0.19VCC
−
−
−
0.19VCC
−
0.75VCC
−
−
−
4
+10
+0.01
−
−
−0.02
2
130
−25
TYP.
−
MAX.
+0.15
UNIT
V
−
−
mA
−
−
mA
80
100
Ω
0.7
1.4
µV
−
VCC
V
40
−
mV
0.23VCC 0.25VCC
V
−0.7
−1
mA
open
200
nA
−
0.75VCC
V
0.23VCC 0.25VCC
V
−0.7
−1
mA
0.77VCC 0.81VCC
V
0.8
1
mA
open
200
nA
−
0.75VCC
V
4.6
5
V
−
−150
µA
−
−1
mA
23 to 160 −
ms
0.1
0.7
V
−
+1
mA
6
10
ms
150
170
ms
−22
−19
dB
1996 Jun 07
7
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