AD722–SPECIFICATIONS

REV. 0

–2–

°C, using FSC synchronous clock. All loads are

150

Ω ± 5% at the IC pins. Outputs are measured at the 75 Ω reverse terminated load.)

Parameter

Conditions

Min

Typ

Max

Units

SIGNAL INPUTS (RDIN, GRIN, BLIN)

Input Amplitude

NTSC

714

mV p-p

PAL

700

mV p-p

Black Level

03

V

Input Resistance

1

Red, Green, Blue

1

M

Ω

Input Capacitance

5pF

LOGIC INPUTS (SYNC, FSC, ENCD, NTSC)

CMOS Logic Levels

Logic LO Input Voltage

1V

Logic HI Input Voltage

4

V

Logic LO Input Current (DC)

<1

µA

Logic HI Input Current (DC)

<1

µA

VIDEO OUTPUTS

2

Luminance (LUMA)

Roll-off @ 5 MHz

NTSC

–10

dB

PAL

–7

dB

Gain Error

–15

–5

+15

%

Linearity

±0.6

%

Sync Level

NTSC

243

286

329

mV

PAL

300

mV

DC Black Level

1.3

V

Chrominance (CRMA)

Bandwidth

NTSC

3.6

MHz

PAL

4.4

MHz

Color Burst Amplitude

NTSC

170

240

330

mV p-p

PAL

252

mV

Color Signal to Burst Ratio Error

–15

±315

%

Color Burst Width

NTSC

2.51

µs

PAL

2.28

µs

Phase Error

3

±3

Degrees

DC Black Level

2.1

V

Chroma Feedthrough

R, G, B = 0

10

40

mV p-p

Chroma/Luma Time Alignment

–140

ns

Composite (COMP)

Absolute Gain Error

–5

±15

%

Differential Gain

With Respect to Chroma

0.5

%

Differential Phase

With Respect to Chroma

2.0

%

DC Black Level

1.6

V

POWER SUPPLIES

Recommended Supply Range

Single Supply

+4.75

+5.25

V

Quiescent Current—Encode Mode

30

40

mA

Quiescent Current—Power Down

1

mA

NOTES

Ω reverse-terminated load; voltages at the IC output pins are twice those specified here.

Specifications are subject to change without notice.