AD724–SPECIFICATIONS

REV. B

–2–

150

5% at the IC pins. Outputs are measured at the 75

reverse terminated load.)

Parameter

Conditions

Min

Typ

Max

Units

SIGNAL INPUTS (RIN, GIN, BIN)

Input Amplitude

Full Scale

714

mV p-p

Black Level

1

0.8

V

Input Resistance

2

RIN, GIN, BIN

1

M

Ω

Input Capacitance

5pF

LOGIC INPUTS (HSYNC, VSYNC, FIN, ENCD, STND, SELECT)

CMOS Logic Levels

Logic LO Input Voltage

1V

Logic HI Input Voltage

2V

Logic LO Input Current (DC)

<1

µA

Logic HI Input Current (DC)

<1

µA

VIDEO OUTPUTS

3

Luminance (LUMA)

Roll-Off @ 5 MHz

NTSC

–7

dB

PAL

–6

dB

Gain Error

–15

–3

+15

%

Nonlinearity

±0.3

%

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

249

330

mV p-p

PAL

288

mV

±5%

Color Burst Width

NTSC

2.51

µs

PAL

2.28

µs

±3

Degrees

DC Black Level

2.0

V

Chroma Feedthrough

R, G, B = 0

15

40

mV p-p

Composite (COMP)

Absolute Gain Error

With Respect to Luma

–5

±15

%

Differential Gain

With Respect to Chroma

0.5

%

Differential Phase

With Respect to Chroma

2.0

Degrees

DC Black Level

1.5

V

Chroma/Luma Time Alignment

0ns

POWER SUPPLIES

Recommended Supply Range

Single Supply

+4.75

+5.25

V

Quiescent Current—Encode Mode

6

33

42

mA

Quiescent Current—Power Down

1

mA

NOTES

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

µA per input.

Specifications are subject to change without notice.