STV2216 データシートの表示（PDF） - STMicroelectronics

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STV2216

BUS CONTROLLED NTSC/PAL TV PROCESSOR

STMicroelectronics 

STV2216

ELECTRICAL CHARACTERISTICS (VCC = 9V, Tamb = 25oC, unless otherwise specified) (continued)

Symbol

Parameter

Test Conditions

Min. Typ. Max. Unit

RGB OUTPUTS (Pins 27-28-29) (continued)

∆VCTR

∆VSAT

∆VREL

∆VTemp

Variation of Black Level with Contrast

Variation of Black Level with Saturation

Relative Variation in Black Level

between the three Channels

- during Variation of Contrast(10dB)

- during Variation of Brightness (± 0.5V)

- during Variation of VCC (± 10%)

Black Level Thermal Drift

Drive Max.

100 mV

50 mV

10

mV

10

mV

5

mV

1

mV/oC

Track

Tracking between Luminance and

Chrominance Signals

From Max. contrast (0dB)

to -10dB contrast

2

dB

Bwidth

Bandwith of Output Signals at -3dB

- CVBS Input (no SVHS)

- CVBS Input (no SVHS)

- Y Input SVHS Mode

- RGB Inputs

fOSC = 3.58MHz, Sharp Typ.

fOSC = 4.43MHz, Sharp Typ.

No trap Filter, Sharp Typ.

2.5 3.1

2.7 3.7

6

8

8

MHz

MHz

MHz

MHz

S/N

Signal to Noise Ratio of

Output (VPP/VRMS)

Signal on Y/CVBS Input

No signal on R-Y, B-Y inputs

50

dB

Contrast Max., Drive Max.,

Saturation Typ., Sharp Typ.,

Bandwidth 5MHz, SVHS mode

Res

Residual Frequency

at 2 fOSC and Higher Harmonics

PAL/NTSC

10

50 mVPP

FILTERS TUNING VOLTAGE

VTUN1 Tuning Voltage Range (Pin 8)

3.2 to

V

4.8

EXTERNAL CRYSTAL SELECTION (Pin 9)

VLOW9

IL OW9

VHIGH9

IHIGH9

Low Level Voltage

Low Level Current (input current)

High Level Voltage

High Level Current (output current)

No load

Low level voltage on Pin 9

No load

High level voltage on Pin 9

0.02 0.1 V

70 100

µA

3.0 3.5 4.0 V

70 100

µA

Y DELAY LINE

td 1p

Delay Time PAL 4.43MHz

td 2p

td 1n

Delay Time NTSC 3.58MHz

td 2n

SHARPNESS CIRCUIT

SVHS mode

CVBS mode

SVHS mode

CVBS mode

330 370 410 ns

380 420 460 ns

370 410 450 ns

435 475 515 ns

fSharp

GSharp

Overshoot

Pre-shoot

After-shoot

Coring

Center Frequency

Gain Variation from Min. to Max. Sharp

Amplitude Variation compared to B/W

Amplitude Variation compared to B/W

Amplitude Variation compared to B/W

Coring Range compared to B/W

SVHS mode

at fSharp

2T pulse, Sharp Max., CVBS

2T pulse, Sharp Max., CVBS

2T pulse, Sharp Max., CVBS

2.5

MHz

6

dB

150

%

-25

%

-60

%

10

%

Y TRAP FILTER

fTrap

QTrap

CRejPN

Trap Frequency

Trap Quality Factor

(Q=1/(fo/f-3dB - f-3dB/fo))

Color Subcarrier Rejection

PAL/NTSC

Sharpness Min.

-0.2 fOSC +0.2 MHz

2.5

-

PAL mode, Sharpness Min.

18

dB

NTSC mode, Sharpness Min. 18

dB

11/26

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