TEA0675T PHILIPS [NXP Semiconductors], TEA0675T Datasheet - Page 6

• Manufacturer Part Number: TEA0675T
• Description: Dual Dolby* B-type noise reduction circuit for playback applications
• Manufacturer: PHILIPS [NXP Semiconductors]

Philips Semiconductors
CHARACTERISTICS
V
pin OUTA or OUTB; see Fig.1; NR on/AMS off; EQ switch in the 70 s position; unless otherwise specified.
1996 Jun 07
V
I
THD
H
PSRR
f
R
G
V
I
R
R
A
S
------------- -
CC
o
i(bias)
CC
SYMBOL
m
cs
cc
CC
I(offset)(DC)
v
R
L
EQ
i
Dual Dolby* B-type noise reduction circuit
for playback applications
v
N
+
= 10 V; f = 20 Hz to 20 kHz; T
N
supply voltage
supply current
channel matching
total harmonic distortion
(2nd and 3rd harmonic)
headroom at output
signal plus noise-to-noise
ratio
power supply ripple
rejection
frequency response;
referenced to TP
channel separation
crosstalk between active
and inactive input
load resistance at output
voltage gain of
pre-amplifier
DC input offset voltage
input bias current
equalization resistor
input resistance head
inputs
open-loop amplification
PARAMETER
amb
= 25 C; all levels are referenced to 387.5 mV (RMS) (0 dB) at test point (TP)
f = 1 kHz; V
f = 1 kHz; V
f = 10 kHz; V
V
f = 1 kHz
internal gain 40 dB, linear;
CCIR/ARM weighted;
decode mode; see Fig.25
V
see Fig.22
encode mode; see Fig.25
V
see Fig.23
f = 1 kHz; V
NR off; see Fig.23
AC-coupled; f = 1 kHz;
V
from pin INA1 or INA2 to
pin EQFA and from
pin INB1 or
INB2 to pin EQFB;
f = 1 kHz
pin INA1 or
INA2 to pin EQA and
pin INB1 or INB2 to
pin EQB
CC
i(rms)
o
o
V
V
V
V
V
f = 10 kHz
f = 400 Hz
= 10 dB; f = 1 kHz;
= 12 dB; THD = 1%
o
o
o
o
o
= 7.6 V; THD = 1%;
= 25 dB; f = 0.2 kHz
= 0 dB; f = 1 kHz
= 25 dB; f = 1 kHz
= 25 dB; f = 5 kHz
= 35 dB; f = 10 kHz
= 0.25 V; f = 1 kHz;
CONDITIONS
o
o
o
o
= 0 dB; NR off
= 0 dB
= 10 dB;
= 10 dB
6
7.6
12
78
52
57
70
10
29
4.7
60
80
104
0.5
22.9
1.5
17.8
18.1
24.4
MIN.
10
26
0.15
84
57
0
63
30
2
0.1
5.8
100
110
0.08
77
86
24.4
19.3
19.6
25.9
TYP.
Preliminary specification
12
31
+0.5
0.15
0.3
+1.5
31
0.4
6.9
25.9
20.8
21.1
27.4
TEA0675
MAX.
UNIT
V
mA
dB
%
%
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
k
dB
mV
k
k
dB
dB
A