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

CHROMINANCE BANDPASS

fC

Center Frequency

QBP

Bandpass Quality Factor

ACC CAPACITOR (Pin 5)

-0.2

fosc

+0.4 MHz

3.0

3.8

4.7

-

IC5

Charging Current

IL 5

Leakage Current

During burst gate window

250

µA

0.2

1

µA

ACC OVERLOAD CAPACITOR (Pin 17)

IC17

Charging Current

IL17

Leakage Current

Vth-17 Chroma Regulation Level

CHROMA PLL (Pins 2-3)

referred to nom. chroma level

12.5

µA

0.2

1

µA

+3

dB

CR2-3 Catching Range

Q = 4.43MHz (Pin 3)

Q = 3.58MHz (Pin 2)

±600

Hz

±500

Hz

PLL LOOP FILTER (Pin 4)

IC4

Control Current

IL 4

Leakage Current

HUE CONTROL (in NTSC mode only)

During burst gate window

400

µA

5

µA

CRHUE HUE Control Range

COLOR DIFFERENCE OUTPUT SIGNALS (Pins 40-41)

±25 ±45 ±65 Deg

PAL /NTSC DEMODULATORS

VP40

R-Y Output signal Amplitude

(Pin 40)

VP41

B-Y Output Signal Amplitude

(Pin 41)

GPAL

Gain Ratio

of both Demodulators (B-Y)/(R-Y)

VN40

R-Y Output signal Amplitude

(Pin 40)

VN41

B-Y Output Signal Amplitude

(Pin 41)

GNTSC90 Gain Ratio

of both Demodulators (B-Y)/(R-Y)

GNTSC104 Gain Ratio

of both Demodulators (B-Y)/(R-Y)

VPNDC Output Voltage when colour killed

PAL/NTSC (90o) MATRIX

G/R

(G-Y)/(R-Y)

G/B

(G-Y)/(B-Y)

NTSC (104o) MATRIX

NG/R (G-Y)/(R-Y)

NG/B (G-Y)/(B-Y)

|RED-BLUE| axes = 90o

0.40

100/75 colour bar, PAL mode

|RED-BLUE| axes = 90o

0.50

100/75 colour bar, PAL mode

|RED-BLUE| axes = 90o

1.0

100/75 colour bar, PAL mode

|RED-BLUE| axes = 90o

0.35

100/75 colour bar, NTSC mode

|RED-BLUE| axes = 90o

0.42

100/75 colour bar, NTSC mode

|RED-BLUE| axes = 90o

1.0

100/75 colour bar, NTSC mode

|RED-BLUE| axes = 104o

1.0

100/75 colour bar, NTSC mode

5.1

-0.62

-0.30

0.53

0.62

1.15

0.45

0.55

1.25

1.15

5.6

-0.51

-0.19

-0.29

-0.22

0.65 VPP

0.75 VPP

1.30 -

0.55 VPP

0.65 VPP

1.45 -

1.30 -

6.1

V

-0.4

-

-0.15 -

-

-

AUTOMATIC FLESH CONTROL (see Figure 8)

FleshNom.

FleshDv1

FleshDev2A

FleshDev2B

FleshMax.A

FleshMax.B

FleshRangeA

FleshRangeB

Nominal Flesh Tint Phase

Phase Shift when Auto Flesh on

Maximum Phase Correction

Chroma Input Phase at Max.

Correction

Auto Flesh Control Range

At FleshNom.

Register 10Hex D5 = 0

Register 10Hex D5 = 1

ref. to FleshNom. R10D5 = 0

ref. to FleshNom. R10D5 = 1

ref. to FleshNom. R10D5 = 0

ref. to FleshNom. R10D5 = 1

118

Deg

0

Deg

± 12

Deg

± 20

Deg

± 30

Deg

± 45

Deg

± 60

Deg

± 90

Deg

12/26

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