參數(shù)資料
型號： TDA9887TS/V3
廠商： NXP SEMICONDUCTORS
元件分類： 接收器
英文描述： AM/FM, AUDIO/VIDEO DEMODULATOR, PDSO24
封裝： 5.30 MM, PLASTIC, MO-150, SOT-340-1, SSOP-24
文件頁數(shù)： 20/56頁
文件大?。?/td> 230K
代理商： TDA9887TS/V3
2002 Mar 05
27
Philips Semiconductors
Product specication
I2C-bus controlled multistandard alignment-free
IF-PLL demodulator with FM radio
TDA9887TS
Vi(SIF)(start2)(rms)
SIF input signal voltage for
maximum starting point of tuner
takeover at pins SIF1 and SIF2
(RMS value)
ITAGC = 120 A;
RTOP =0 or no RTOP
and +15 dB via I2C-bus
(see Table 13)
22.5
45
mV
QVTOP
tuner takeover point accuracy
ITAGC = 120 A;
RTOP =10k or
no RTOP and 0 dB via
I2C-bus (see Table 13)
7
1743mV
QVTOP/T
takeover point variation with
temperature
ITAGC = 120 A
0.03
0.07
dB/K
Vo
permissible output voltage
from external source
8.8
V
Vsat
saturation voltage
ITAGC = 450 A
0.5
V
Isink
sink current
no tuner gain reduction;
VTAGC = 8.8 V
0.75
A
maximum tuner gain
reduction; VTAGC =1V
450
600
750
A
G
IF
IF slip by automatic gain control
tuner gain current from
20% to 80%
358dB
AFC circuit and AGC monitor options (pin AFC); see Figs 9 and 10; notes 14 and 15
Vsat(ul)
upper limit saturation voltage
VP 0.6 VP 0.3
V
Vsat(ll)
lower limit saturation voltage
0.3
0.6
V
Io(source)
output source current
160
200
240
A
Io(sink)
output sink current
160
200
240
A
TV MODE
AFCstps
AFC control steepness
denition:
IAFC/fVIF
0.85
1.05
1.25
A/kHz
QfVIF(a)
analog accuracy of AFC circuit
IAFC = 0; fREF = 4 MHz
20
+20
kHz
QfVIF(d)
digital accuracy of AFC circuit
via I2C-bus
IAFC = 0; fREF = 4 MHz;
1 digit = 25 kHz
20
1 digit
+20
+ 1 digit
kHz
RADIO MODE
AFCstps
AFC control steepness
denition:
IAFC/fRIF
0.85
1.05
1.25
A/kHz
QfRIF(a)
analog accuracy of AFC circuit
IAFC = 0; fREF = 4 MHz
10
+10
kHz
QfRIF(d)
digital accuracy of AFC circuit
via I2C-bus
IAFC = 0; fREF = 4 MHz;
1 digit = 25 kHz
10
1 digit
+10
+ 1 digit
kHz
Io(source)
SIF or FM-AGC monitor source
current
see Table 16
600
mA
Io(sink)
SIF or FM-AGC monitor sink
current
see Table 16
270
mA
SIF amplier (pins SIF1 and SIF2)
Vi(SIF)(rms)
SIF input voltage sensitivity
(RMS value)
FM mode;
3 dB at
intercarrier output
pin SIOMAD
30
70
V
AM mode;
3 dB at
AF output pin AUD
70
100
V
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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