TDA6509ATT datasheet(13/42 Pages) PHILIPS

13 / 42 page

2005 Mar 25

Philips Semiconductors

Product speciﬁcation

3-band mixer/oscillator and PLL for

terrestrial tuners

TDA6508; TDA6508A;

TDA6509; TDA6509A

11 THERMAL CHARACTERISTICS

Note

1. JEDEC conditions apply to single layer PCB.

12 CHARACTERISTICS

VCC =5V, Tamb =25 °C; TDA6508 and TDA6509 values measured with RL = 1.25 kΩ and TDA6508A and TDA6509A

values measured with RL =75 Ω; Weak signal booster off; measured using the PAL application circuit shown in

Figure 27; unless otherwise speciﬁed.

SYMBOL

PARAMETER

CONDITIONS

TYP.

UNIT

Rth(j-a)

thermal resistance from junction to ambient

in free air - SOT487-5(1)

115

K/W

in free air - SOT487-4(1)

125

K/W

in free air - SOT617-1

K/W

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

Supply

VCC

supply voltage

4.5

5.0

5.5

ICC

supply current

at VCC = 5 V; all ports off

FUNCTIONAL RANGE

VPOR

power-on reset supply

voltage

power-on reset activates below this

voltage

−

3.2

−

divider ratio

15-bit frequency word

−

32767

−

fxtal

crystal oscillator frequency

Rxtal =25 Ω to 300 Ω

3.58

4.0

4.43

MHz

Zxtal

input impedance

(absolute value)

fxtal = 4 MHz

1000

1200

−Ω

PMOS PORTS: PINS P0, P1, P2, P3, P4

IL(Pn)

leakage current

VCC = 5.5 V; VPn = 0 V or 5.5 V

−10

−+120

µA

VPn(sat)

output saturation voltage

VPn(sat) =VCC − VPn

one buffer output is on and

sourcing 5 mA

−

0.25

0.4

one buffer output is on and

sourcing 20 mA

−

0.25

0.4

ADC INPUT: PIN ADC (IN I2C BUS MODE)

VADC

ADC input voltage

see Table 8

−

VCC

IADC(H)

HIGH level input current

VADC =VCC

−−

100

µA

IADC(L)

LOW level input current

VADC =0V

−10

−−µA

ADDRESS SELECTION INPUT

: PIN AS

IAS(H)

HIGH level input current

VAS =5V

−−

µA

IAS(L)

LOW level input current

VAS =0V

−10

−−µA

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