BT856 datasheet(49/54 Pages) ETC

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PARAMETRIC INFORMATION

AC Characteristics

Bt856/7

AC Characteristics

Table 14. AC Characteristics

(1 of 2)

Parameter

EIA/TIA

250C Ref

Symbol

Min

Typ

Max

Units

Hue Accuracy (Note 1, Note 3)

Color Saturation Accuracy (Note 1, Note 3)

Chroma AM/PM Noise (Note 3)

1 MHz

Red Field

1.5

–62

2.5

2.0

± °

± %

dB rms

Differential Gain (Note 2)

Differential Phase (Note 2)

SNR (unweighted 100 IRE Y Ramp Tilt

Correct) (Note 2)

RMS

Peak Periodic

100 IRE Multiburst (Note 3)

Chroma/Luma Gain Ineq (Note 3)

Chroma/Luma Delay Ineq (Note 3)

Short Time Distortion 100IRE/PIXEL (Note 3)

Luminance Nonlinearity (Note 2)

Chroma/Luma Intermod (Note 2)

Chroma Nonlinear Gain (Note 2)

Chroma Nonlinear Phase (Note 2)

6.2.2.1

6.2.2.2

6.3.1

6.3.2

6.1.1

6.1.2.2

6.1.2

6.1.6

6.2.1

6.2.3

6.2.4.1

6.2.4.2

–6

–1.0

1.5

1.0

–2.2

–5

0.1

1.0

% p–p

° p–p

dB rms

dB p-p

± IRE

± °

Pixel/Control Setup Time (Note 4)

Pixel/Control Hold Time (Note 4)

YCMODE/GAMMA* Setup Time (Note 5)

YCMODE/GAMMA* Hold Time (Note 5)

Control Output Delay Time (Note 4)

Control Output Hold Time (Note 4)

CLOCK Frequency (I/T)

CLKX1 Setup Time

CLKX1 Hold Time

CLKX2 Frequency

CLKX2 Pulse Width Low Time

CLKX2 Pulse Width High Time

Fin

12.27

24.54

14.75

29.50

MHz

“Recommended Operating Conditions,” NTSC CCIR 601 operation, and CLKX1 frequency = 13.5 MHz. Analog output

load

≤ 75 pF. HSYNC*, VSYNC*, BLANK*, and FIELD output load ≤ 75 pF. As the above parameters are guaranteed

over the full temperature range, temperature coefﬁcients are not speciﬁed or required. Typical values are based on nom-

inal temperature, i.e., room temperature, and nominal voltage, i.e., 5 V. Video input and output timing is shown in

Figures 18 and 19.

Notes: 1. 75/7.5/75/7.5 Color bars normalized to burst.

2. Guaranteed by characterization.

3. Without post ﬁlter. Guaranteed by design.

4. Control pins are deﬁned as: R0–R7, G0–G7, B0–B7, BLANK*, HSYNC*, VSYNC*, FIELD, YCMODE,

GAMMA*.

5. For YCMODE and GAMMA* inputs in 8-bit YC mode ONLY

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