High-Frequency Waveform Generator

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3

ELECTRICAL CHARACTERISTICS (continued)

Note 1: Guaranteed by duty-cycle test on square wave.

PARAMETER

DADJ Nonlinearity

SYMBOL

MIN

TYP

MAX

2

4

UNITS

%

Duty Cycle

50

%

Fall Time

10

ns

Rise Time

10

ns

Change in Output Frequency

with DADJ

DADJ Input Current

190

250

320

µA

DADJ Voltage Range

±2.3

V

±2.5

±8

%

Duty-Cycle Adjustment Range

dc

15

85

%

Maximum DADJ Modulating

Frequency

2

MHz

Output Low Voltage

FADJ Input Current

190

250

320

µA

FADJ Voltage Range

±2.4

V

Frequency Sweep Range

0.3

0.4

V

±70

%

FM Nonlinearity with FADJ

Output High Voltage

±0.2

%

2.8

3.5

V

Change in Duty Cycle with FADJ

±2

%

Output Voltage

2.48

2.50

2.52

V

CONDITIONS

-2V

-2V

-2.3V

-2.4V

-2V

-2V

Temperature Coefficient

20

ppm/°C

0mA

1

2

Load Regulation

-100µA

1

4

mV/mA

Line Regulation

4.75V

≤ V+ ≤ 5.25V (Note 2)

1

2

mV/V

Input Low Voltage

0.8

V

Input High Voltage

2.4

V

Input Current (A0, A1)

±5

µA

Input Current (PDI)

±25

µA

Positive Supply Voltage

V+

4.75

5.25

V

SYNC Supply Voltage

DV+

4.75

5.25

V

Negative Supply Voltage

V-

-4.75

-5.25

V

Positive Supply Current

I+

35

45

mA

SYNC Supply Current

1

2

mA

Negative Supply Current

I-

45

55

mA

Maximum FADJ Modulating

Frequency

2

MHz

SYNC OUTPUT

DUTY-CYCLE ADJUSTMENT (DADJ)

FREQUENCY ADJUSTMENT (FADJ)

VOLTAGE REFERENCE

LOGIC INPUTS (A0, A1, PDI)

POWER SUPPLY