參數(shù)資料
型號: TDA9850T
廠商: NXP SEMICONDUCTORS
元件分類: 消費家電
英文描述: I2C-bus controlled BTSC stereo/SAP decoder
中文描述: SPECIALTY CONSUMER CIRCUIT, PDSO32
封裝: PLASTIC, SO-32
文件頁數(shù): 11/32頁
文件大?。?/td> 203K
代理商: TDA9850T
1995 Jun 19
11
Philips Semiconductors
Preliminary specification
I
2
C-bus controlled BTSC stereo/SAP decoder
TDA9850
CHARACTERISTICS
All voltages are measured relative to GND; V
CC
= 9 V; R
s
= 600
; R
L
= 10 k
; AC-coupled; C
L
= 2.5 nF; f
i
= 1 kHz;
T
amb
= +25
°
C; see Fig.1; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Supply
V
CC
V
ripple(p-p)
supply voltage
allowed supply voltage
ripple (peak-to-peak
value)
supply current
internal reference voltage
at pin V
ref
crosstalk between bus
inputs and signal outputs
8.5
9
9.5
100
V
mV
f
i
= 50 Hz to 100 kHz
I
CC
V
ref
58
3.7
75
mA
V
α
ct
notes 1 and 2
110
dB
Input level adjustment control
G
LA
input level adjustment
control
step resolution
maximum input voltage
level (RMS value)
input impedance
3.5
+4.0
dB
G
step
V
i(rms)
2
0.5
dB
V
Z
i
29.5
35
40.5
k
Stereo decoder
MPX
L+R
input voltage level for
100% modulation L + R;
25 kHz deviation
(RMS value)
input voltage level for
100% modulation L
R;
50 kHz deviation
(peak value)
maximum headroom for
L + R, L, R
nominal stereo pilot
voltage level (RMS value)
pilot threshold voltage
stereo on (RMS value)
input level adjusted via
I
2
C-bus (L + R;
f
i
= 300 Hz); monitoring
OUTL or OUTR
250
mV
MPX
L
R
707
mV
MPX
(max)
f
mod
< 15 kHz;
THD < 15%
9
dB
MPX
pilot
50
mV
ST
on(rms)
data STS = 1
data STS = 0
data STS = 1
data STS = 0
15
10
480
2.5
500
35
30
520
mV
mV
mV
mV
dB
mV
ST
off(rms)
pilot threshold voltage
stereo off (RMS value)
Hys
OUT
L+R
hysteresis
output voltage level for
100% modulation L + R at
OUTL, OUTR
input level adjusted via
I
2
C-bus (L + R;
f
i
= 300 Hz); monitoring
OUTL or OUTR
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