TDA9885TSSLASHV3 datasheet(34/56 Pages) PHILIPS

34 / 56 page

2003 Oct 02

Philips Semiconductors

Product speciﬁcation

I2C-bus controlled single and multistandard

alignment-free IF-PLL demodulators

TDA9885; TDA9886

Notes

1. Values of video and sound parameters can be decreased at VP = 4.5 V.

2. Level headroom for input level jumps during gain control setting.

3. This parameter is not tested during the production and is only given as application information for designing the

receiver circuit.

4. Loop bandwidth BL = 70 kHz (damping factor d = 1.9; calculated with sync level within gain control range).

Calculation of the VIF-PLL filter can be done by use of the following formula:

, valid for d

≥ 1.2

where:

KO is the VCO steepness

; KD is the phase detector steepness

;

R is the loop resistor; C is the loop capacitor; BL−3dB is the loop bandwidth for −3 dB; d is the damping factor.

5. Vi(VIF) = 10 mV (RMS); ∆f = 1 MHz (VCO frequency offset related to picture carrier frequency); white picture video

modulation.

6. Condition: luminance range (5 steps) from 0 % to 100 %.

7. S/N is the ratio of black-to-white amplitude to the black level noise voltage (RMS value on pin CVBS). B = 5 MHz

(B/G, I and D/K standard). Noise analyzer setting: 200 kHz high-pass and SC-trap switched on.

8. The intermodulation figures are defined for:

a) f = 1.1 MHz (referenced to black and white signal) as

b) f = 3.3 MHz (referenced to colour carrier) as

I2C-bus transceiver (pins SDA and SCL); notes 30 and 31

fSCL

SCL clock frequency

−

400

kHz

VIH

HIGH-level input voltage

−

VCC

VIL

LOW-level input voltage

−0.3

−

+1.5

IIH

HIGH-level input current

−10

−

+10

µA

IIL

LOW-level input current

−10

−

+10

µA

VOL

LOW-level output voltage

IOL =3mA

−−

0.4

Io(sink)

output sink current

VP =0V

−−

µA

Io(source)

output source current

VP =0V

−−

µA

Output ports (pins OP1 and OP2); note 32

VOL

LOW-level output voltage

IOL = 2 mA (sink

current)

−−

0.4

VOH

HIGH-level output voltage

−−

Io(sink)

output sink current

−−

2mA

Io(sink/source)(max)

maximum output sink or source

current

pin OP2 functions as

VIF-AGC output

−−

µA

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

3dB

–

------- KOKDR

--- RKOKDC

rad

--------





-------





µA

rad

--------





0 at 4.4 MHz

0 at 1.1 MHz

-------------------------------------



 3.6 dB

log

0 at 4.4 MHz

0 at 3.3 MHz

-------------------------------------





log

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