3

Specifications CA1524, CA2524, CA3524

Absolute Maximum Ratings

Thermal Information

Output Current Each Output:

(Terminal 11, 12 or 13, 14) . . . . . . . . . . . . . . . . . . . . . . . . . 100mA

Output Current (Reference Regulator) . . . . . . . . . . . . . . . . . . . 50mA

Oscillator Charging Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5mA

Thermal Resistance

θ

JA

Plastic DIP Package . . . . . . . . . . . . . . . . . . . . . . . .

Device Dissipation

Lead Temperature (During Soldering)

At distance 1/16

± in. (1.59mm ±0.79mm)

CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation

of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied.

Electrical Specifications

f = 20kHz, Unless Otherwise Stated.

PARAMETER

TEST CONDITIONS

CA1524, CA2524

CA3524

UNITS

MIN

TYP

MAX

MIN

TYP

MAX

REFERENCE SECTION

Output Voltage

4.8

5

5.2

4.6

5

5.4

V

Line Regulation

V+ = 8 to 40V

-

10

20

-

10

30

mV

Load Regulation

-

20

50

-

20

50

mV

Ripple Rejection

-

66

-

-

66

-

db

Short Circuit Current Limit

-

100

-

-

100

-

mA

Temperature Stability

Over Operating Temperature

Range

-

0.3

1

-

0.3

1

%

Long Term Stability

-

20

-

-

20

-

mV/khr

OSCILLATOR SECTION

Maximum Frequency

-

300

-

-

300

-

kHz

Initial Accuracy

-

5

-

-

5

-

%

Voltage Stability

-

1

-

-

1

%

Temperature Stability

Over Operating Temperature

Range

--

2

-

-

2

%

Output Amplitude

-

3.5

-

-

3.5

-

V

Output Pulse Width (Pin 3)

-

0.5

-

-

0.5

-

µs

Ramp Voltage Low (Note 1)

Pin 7

-

0.6

-

-

0.6

-

V

Ramp Voltage High (Note 1)

Pin 7

-

3.5

-

-

3.5

-

V

Capacitor Charging Current Range

0.03

-

2

0.03

-

2

mA

Timing Resistance Range

Pin 6

1.8

-

120

1.8

-

120

k

Ω

Charging Capacitor Range

Pin 7

0.001

-

0.1

0.001

-

0.1

µF

Dead Time Expansion Capacitor on

Pin 3 (when a small osc. cap is used)

Pin 3

100

-

1000

100

-

1000

pF

ERROR AMPLIFIER SECTION

Input Offset Voltage

-

0.5

5

-

2

10

mV

Input Bias Current

-

1

10

-

1

10

µA

Open Loop Voltage Gain

72

80

-

60

80

-

dB

Common Mode Voltage

1.8

-

3.4

1.8

-

3.4

V

Common Mode Rejection Ratio

-

70

-

-

70

-

dB

Small Signal Bandwidth

-

3

-

-

3

-

MHz