ADV7120KSTZ50 datasheet(2/12 Pages) AD

Part #	ADV7120KSTZ50

Description	CMOS 80 MHz, Triple 8-Bit Video DAC

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REV. B

–2–

ADV7120–SPECIFICATIONS

Parameter

All Versions

Units

Test Conditions/Comments

STATIC PERFORMANCE

Resolution (Each DAC)

8

Bits

Accuracy (Each DAC)

Integral Nonlinearity, INL

± 1

LSB max

Differential Nonlinearity, DNL

±0.5

LSB max

Guaranteed Monotonic

Gray Scale Error

± 5

% Gray Scale max

Max Gray Scale Current: IOG = (VREF* 12,082/RSET) mA

IOR, IOB = (VREF* 8,627/RSET) mA

Coding

Binary

DIGITAL INPUTS

Input High Voltage, VINH

2

V min

Input Low Voltage, VINL

0.8

V max

Input Current, IIN

± 1

µA max

VIN = 0.4 V or 2.4 V

Input Capacitance, CIN

2

10

pF max

ANALOG OUTPUTS

Gray Scale Current Range

15

mA min

22

mA max

Output Current

White Level Relative to Blank

17.69

mA min

Typically 19.05 mA

20.40

mA max

White Level Relative to Black

16.74

mA min

Typically 17.62 mA

18.50

mA max

Black Level Relative to Blank

0.95

mA min

Typically 1.44 mA

1.90

mA max

Blank Level on IOR, IOB

0

µA min

Typically 5

µA

50

µA max

Blank Level on IOG

6.29

mA min

Typically 7.62 mA

9.5

mA max

Sync Level on IOG

0

µA min

Typically 5

µA

50

µA max

LSB Size

69.1

µA typ

DAC to DAC Matching

5

% max

Typically 2%

Output Compliance, VOC

–1

V min

+1.4

V max

Output Impedance, ROUT

2

100

k

Ω typ

Output Capacitance, COUT

2

30

pF max

IOUT = 0 mA

VOLTAGE REFERENCE

Voltage Reference Range, VREF

1.14/1.26

V min/V max

VREF = 1.235 V for Specified Performance

Input Current, IVREF

–5

mA typ

POWER REQUIREMENTS

VAA

5

V nom

IAA

125

mA max

Typically 80 mA: 80 MHz Parts

100

mA max

Typically 70 mA: 50 MHz & 35 MHz Parts

Power Supply Rejection Ratio

0.5

%/% max

Typically 0.12%/%: f = 1 kHz, COMP = 0.1

µF

Power Dissipation

625

mW max

Typically 400 mW: 80 MHz Parts

500

mW max

Typically 350 mW: 50 MHz & 30 MHz Parts

DYNAMIC PERFORMANCE

Glitch Impulse

2, 3

50

pV secs typ

DAC Noise

2, 3, 4

200

pV secs typ

Analog Output Skew

2

ns max

Typically 1 ns

NOTES

1Temperature range (T

MIN to TMIN); 0°C to +70°C.

2Sample tested at +25

°C to ensure compliance.

3TTL input values are 0 to 3 volts, with input rise/fall times

≤3 ns, measured between the 10% and 90% points. Timing reference points at 50% for inputs and

outputs. See timing notes in Figure 1.

4This includes effects due to clock and data feedthrough as well as RGB analog crosstalk.

Specifications subject to change without notice.

(VAA = +5 V

5%; VREF = +1.235 V; RL = 37.5

, CL = 10 pF; RSET = 560

.

ISYNC connected to I0G. All Specifications TMIN to TMAX

1 unless otherwise noted.)

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