AD725–SPECIFICATIONS

REV. 0

–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, 4FSC, CE, STND)

TTL Logic Levels

Logic Low Input Voltage

1V

Logic High Input Voltage

2V

Logic Low Input Current (DC)

1

µA

Logic High Input Current (DC)

1

µA

VIDEO OUTPUTS

3

Luminance (LUMA)

Bandwidth, –3 dB

NTSC

4.4

MHz

PAL

5.2

MHz

Gain Error

–7

–2

+7

%

Nonlinearity

max p-p

0.3

%

Sync Level

NTSC

252

279

310

mV

PAL

264

291

325

mV

DC Black Level

1.3

V

Luminance Trap (YTRAP)

Output Resistance

1.0

k

Ω

DC Black Level

1.0

V

Chrominance (CRMA)

Bandwidth, –3 dB

NTSC

1.2

MHz

PAL

1.5

MHz

Color Burst Amplitude

NTSC

206

255

305

mV p-p

PAL

221

291

362

mV p-p

Color Burst Width

NTSC

2.51

µs

PAL

2.28

µs

Chroma Level Error

4

–4

%

±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

–1

+3

%

Differential Gain

With Respect to Chroma

0.5

%

Differential Phase

With Respect to Chroma

1.5

Degrees

DC Black Level

1.4

V

Chroma/Luma Time Alignment

S-Video

20

ns

POWER SUPPLIES

Recommended Supply Range

Single Supply

+4.75

+5.25 V

Quiescent Current—Encode Mode

30

36

mA

Quiescent Current—Power Down

<1

µA

NOTES

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

Specifications are subject to change without notice.