from case for 10s Max . . . . . . . . . . . . . . . . . . . . . . . . . . . . +265
o
C
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
T
A
= -55
0
C to +125
o
C for CA1524, 0
o
C to +70
o
C for the CA2524 and CA3524; V+ = 20V and
f = 20kHz, Unless Otherwise Stated.
CA1524, CA2524
CA3524
MIN
TYP
MAX
UNITS
PARAMETER
REFERENCE SECTION
Output Voltage
Line Regulation
Load Regulation
Ripple Rejection
Short Circuit Current Limit
Temperature Stability
Long Term Stability
OSCILLATOR SECTION
Maximum Frequency
Initial Accuracy
Voltage Stability
Temperature Stability
Output Amplitude
Output Pulse Width (Pin 3)
Ramp Voltage Low (Note 1)
Ramp Voltage High (Note 1)
Capacitor Charging Current Range
Timing Resistance Range
Charging Capacitor Range
Dead Time Expansion Capacitor on
Pin 3 (when a small osc. cap is used)
ERROR AMPLIFIER SECTION
Input Offset Voltage
Input Bias Current
Open Loop Voltage Gain
Common Mode Voltage
Common Mode Rejection Ratio
Small Signal Bandwidth
TEST CONDITIONS
MIN
TYP
MAX
4.8
V+ = 8 to 40V
I
L
= 0 to 20mA
f = 120Hz, T
A
= 25
o
C
V
REF
= 0, T
A
= 25
o
C
Over Operating Temperature
Range
T
A
= 25
o
C
-
-
-
-
-
-
5
10
20
66
100
0.3
20
5.2
20
50
-
-
1
-
4.6
-
-
-
-
-
-
5
10
20
66
100
0.3
20
5.4
30
50
-
-
1
-
V
mV
mV
db
mA
%
mV/khr
C
T
= 0.001µF, R
T
= 2KΩ
R
T
and C
T
Constant
V+ = 8 to 40V, T
A
= 25
o
C
Over Operating Temperature
Range
Terminal 3, T
A
= 25
o
C
C
T
= 0.01µF, T
A
= 25
o
C
Pin 7
Pin 7
Pin 7 (5-2 V
BE
)/R
T
Pin 6
Pin 7
Pin 3
-
-
-
-
-
-
-
-
0.03
1.8
0.001
100
300
5
-
-
3.5
0.5
0.6
3.5
-
-
-
-
-
-
1
2
-
-
-
-
2
120
0.1
1000
-
-
-
-
-
-
-
-
0.03
1.8
0.001
100
300
5
-
-
3.5
0.5
0.6
3.5
-
-
-
-
-
-
1
2
-
-
-
-
2
120
0.1
1000
kHz
%
%
%
V
µs
V
V
mA
kΩ
µF
pF
V
CM
= 2.5V
V
CM
= 2.5V
-
-
72
0.5
1
80
-
70
3
5
10
-
3.4
-
-
-
-
60
1.8
-
-
2
1
80
-
70
3
10
10
-
3.4
-
-
mV
µA
dB
V
dB
MHz
T
A
= 25
o
C
T
A
= 25
o
C
A
V
= 0dB, T
A
= 25
o
C
1.8
-
-
3
Specifications CA1524, CA2524, CA3524
Electrical Specifications
T
A
= -55
0
C to +125
o
C for CA1524, 0
o
C to +70
o
C for the CA2524 and CA3524; V+ = 20V and
f = 20kHz, Unless Otherwise Stated. (Continued)
CA1524, CA2524
PARAMETER
Output Voltage
Amplifier Pole
Pin 9 Shutdown Current
COMPARATOR SECTION
Duty Cycle
Input Threshold
Input Threshold
Input Bias Current
CURRENT LIMITING SECTION
Sense Voltage for 25% Output Duty
Cycle
Sense Voltage T.C.
Common Mode Voltage
Rolloff Pole of R51 C3 + Q64
OUTPUT SECTION (EACH OUTUT)
Collector-Emitter Voltage
Collector Leakage Current
Saturation Voltage
Emitter Output Voltage
Rise Time
Fall Time
Total Standby Current: (Note 2) I
S
NOTES:
1. Ramp voltage at Pin 7
High
Low
where
V
CE
= 40V
V+ = 40V, I
C
= 50mA
V+ = 20V
R
C
= 2KΩ, T
A
= 25
o
C
R
C
= 2KΩ, T
A
= 25
o
C
V+ = 40V
40
-
-
17
-
-
-
-
0.1
0.8
18
0.2
0.1
4
-
50
2
-
-
-
10
40
-
-
17
-
-
-
-
0.1
0.8
18
0.2
0.1
4
-
50
2
-
-
-
10
V
µA
V
V
µs
µs
mA
Terminal 9 = 2V with Error
Amplifier Set for Max Out,
T
A
= 25
o
C
190
200
210
180
200
220
mV
% Each Output On
Zero Duty Cycle
Max. Duty Cycle
0
-
-
-
-
1
3.5
1
45
-
-
-
0
-
-
-
-
1
3.5
1
45
-
-
-
%
V
V
µA
External Sink
TEST CONDITIONS
T
A
= 25
o
C
MIN
0.5
-
-
TYP
-
250
200
MAX
3.8
-
-
MIN
0.5
-
-
CA3524
TYP
-
250
200
MAX
3.8
-
-
UNITS
V
Hz
µA
-
-1
-
0.2
-
300
-
+1
-
-
-1
-
0.2
-
300
-
+1
-
mV/
o
C
V
Hz
t = OSC period in microseconds
t
≅
R
T
C
T
with C
T
in microfarads and R
T
in ohms.
t
Output frequency at each output transistor is half OSC frequency when each output is used separately and is equal to the OSC frequency
when each output is connected in parallel.
2. Excluding oscillator charging current, error and current limit dividers, and with outputs open.
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