TDA6508ATT Ver la hoja de datos (PDF) - NXP Semiconductors.
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fabricante
TDA6508ATT Datasheet PDF : 42 Pages
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Philips Semiconductors
3-band mixer/oscillator and PLL for
terrestrial tuners
Product specification
TDA6508; TDA6508A;
TDA6509; TDA6509A
SYMBOL
PARAMETER
CONDITIONS
MIN.
CLOCK AND DATA INPUTS: PINS SCL AND SDA
VSCL(L),
LOW level input voltage
0
VSDA(L)
VSCL(H),
HIGH level input voltage
2.3
VSDA(H)
ISCL(H),
HIGH level input current
Vbus = 5.5 V; VCC = 0 V
−
ISDA(H)
Vbus = 5.5 V; VCC = 5.5 V
−
ISCL(L),
LOW level input current
Vbus = 1.5 V; VCC = 0 V
−
ISDA(L)
Vbus = 0 V; VCC = 5.5 V
−10
DATA OUTPUT: PIN SDA
IL(SDA)
leakage current
VSDA = 5.5 V
−
VSDA(H)
HIGH level output voltage ISDA = 3 mA (sink current)
−
CLOCK FREQUENCY (I2C-BUS MODE)
fclk
clock frequency
−
CHARGE-PUMP OUTPUT: PIN CP
|ICP(H)|
HIGH level input current
CP = 1
−
(absolute value)
|ICP(L)|
LOW level input current
CP = 0
15
(absolute value)
IL(CP)
off-state leakage current
T2 = 0; T1 = 1; T0 = 0
−15
TUNING VOLTAGE OUTPUT: PIN VT
Itune(off)
leakage current when
switched-off
T2 = 1; T1 = 1; T0 = 0; tuning
−
supply is 33 V
Vo(tune)
output voltage when loop is T2 = 0; T1 = 0; T0 = 1; RL = 33 kΩ; 0.3
closed
tuning supply is 33 V
LOW MIXER (INCLUDING IF PREAMPLIFIER)
fRF(o)
fRF
Gv
RF operational frequency
RF frequency
voltage gain
NF
noise figure
fpc; note 1
TDA6508; TDA6509; IF output
loaded with 1.25 kΩ
fRF = 46 MHz; see Fig.10
fRF = 164 MHz; see Fig.10
TDA6508A; TDA6509A; IF output
loaded with 75 Ω
fRF = 46 MHz; see Fig.11
fRF = 164 MHz; see Fig.11
fRF = 50 MHz; see Figs 12 and 13
fRF = 150 MHz; see Fig.13
40
43.25
22
22
18
18
−
−
TYP.
−
−
−
−
−
−
−
−
−
100
20
0
−
−
−
−
25
25
21
21
8
8
MAX. UNIT
1.5
V
5.5
V
10
µA
10
µA
10
µA
−
µA
10
µA
0.4
V
400 kHz
115 µA
−
µA
+15 nA
10
µA
32.7 V
800 MHz
161.25 MHz
28
dB
28
dB
24
dB
24
dB
10
dB
10
dB
2005 Mar 25
14
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