TDA6508 Datasheet, PDF (13/42 Pages) NXP Semiconductors – 3-band mixer/oscillator and PLL for terrestrial tuners

Philips Semiconductors
3-band mixer/oscillator and PLL for
terrestrial tuners
Product specification
TDA6508; TDA6508A;
TDA6509; TDA6509A
11 THERMAL CHARACTERISTICS
SYMBOL
R_th(j-a)
PARAMETER
thermal resistance from junction to ambient
CONDITIONS
in free air - SOT487-5⁽¹⁾
in free air - SOT487-4⁽¹⁾
in free air - SOT617-1
Note
1. JEDEC conditions apply to single layer PCB.
TYP.
115
125
31
UNIT
K/W
K/W
K/W
12 CHARACTERISTICS
V_CC = 5 V, T_amb = 25 °C; TDA6508 and TDA6509 values measured with R_L = 1.25 kΩ and TDA6508A and TDA6509A
values measured with R_L = 75 Ω; Weak signal booster off; measured using the PAL application circuit shown in
Figure 27; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN. TYP. MAX. UNIT
Supply
V_CC
supply voltage
I_CC
supply current
FUNCTIONAL RANGE
V_POR
power-on reset supply
voltage
N
divider ratio
f_xtal
Z_xtal
crystal oscillator frequency
input impedance
(absolute value)
4.5
at V_CC = 5 V; all ports off
43
power-on reset activates below this
voltage
15-bit frequency word
R_xtal = 25 Ω to 300 Ω
f_xtal = 4 MHz
−
64
3.58
1000
5.0
58
3.2
−
4.0
1 200
5.5
V
74
mA
−
V
32 767
4.43
−
−
MHz
Ω
PMOS PORTS: PINS P0, P1, P2, P3, P4
I_L(Pn)
V_Pn(sat)
leakage current
output saturation voltage
ADC INPUT: PIN ADC (IN I²C BUS MODE)
V_ADC
I_ADC(H)
I_ADC(L)
ADC input voltage
HIGH level input current
LOW level input current
ADDRESS SELECTION INPUT: PIN AS
I_AS(H)
I_AS(L)
HIGH level input current
LOW level input current
V_CC = 5.5 V; V_Pn = 0 V or 5.5 V
V_Pn(sat) = V_CC − V_Pn
one buffer output is on and
sourcing 5 mA
one buffer output is on and
sourcing 20 mA
see Table 8
V_ADC = V_CC
V_ADC = 0 V
V_AS = 5 V
V_AS = 0 V
−10 −
+120 µA
−
0.25 0.4
V
−
0.25 0.4
V
0
−
−
−
−10 −
−
−
−10 −
V_CC
V
100 µA
−
µA
10
µA
−
µA
2005 Mar 25
13