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ICL8038
Electrical Specifications
V SUPPLY = ± 10V or +20V, T A = 25 o C, R L = 10k Ω , Test Circuit Unless Otherwise Specified (Continued)
TEST
ICL8038CC
ICL8038BC
ICL8038AC
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP MAX MIN
TYP MAX MIN
TYP MAX
UNITS
Sine Wave
Amplitude
THD
THD Adjusted
V SINE
THD
THD
R SINE = 100k Ω
R S = 1M Ω
(Note 4)
Use Figure 4
0.2
-
-
0.22
2.0
1.5
-
5
-
0.2
-
-
0.22
1.5
1.0
-
3
-
0.2
-
-
0.22
1.0
0.8
-
1.5
-
xV SUPPLY
%
%
NOTES:
2. R A and R B currents not included.
3. V SUPPLY = 20V; R A and R B = 10k Ω , f ? 10kHz nominal; can be extended 1000 to 1. See Figures 5A and 5B.
4. 82k Ω connected between pins 11 and 12, Triangle Duty Cycle set at 50%. (Use R A and R B .)
5. Figure 1, pins 7 and 8 connected, V SUPPLY = ± 10V. See Typical Curves for T.C. vs V SUPPLY .
6. Not tested, typical value for design purposes only.
Test Conditions
PARAMETER
Supply Current
Sweep FM Range (Note 7)
Frequency Drift with Temperature
Frequency Drift with Supply Voltage (Note 8)
R A
10k Ω
10k Ω
10k Ω
10k Ω
R B
10k Ω
10k Ω
10k Ω
10k Ω
R L
10k Ω
10k Ω
10k Ω
10k Ω
C
3.3nF
3.3nF
3.3nF
3.3nF
SW 1
Closed
Open
Closed
Closed
MEASURE
Current Into Pin 6
Frequency at Pin 9
Frequency at Pin 3
Frequency at Pin 9
Output Amplitude (Note 10)
Sine
Triangle
Leakage Current (Off) (Note 9)
Saturation Voltage (On) (Note 9)
Rise and Fall Times (Note 11)
10k Ω
10k Ω
10k Ω
10k Ω
10k Ω
10k Ω
10k Ω
10k Ω
10k Ω
10k Ω
10k Ω
10k Ω
4.7k Ω
3.3nF
3.3nF
3.3nF
3.3nF
3.3nF
Closed
Closed
Closed
Closed
Closed
Pk-Pk Output at Pin 2
Pk-Pk Output at Pin 3
Current into Pin 9
Output (Low) at Pin 9
Waveform at Pin 9
Duty Cycle Adjust (Note 11)
Max
Min
Triangle Waveform Linearity
Total Harmonic Distortion
50k Ω
~25k Ω
10k Ω
10k Ω
~1.6k Ω
50k Ω
10k Ω
10k Ω
10k Ω
10k Ω
10k Ω
10k Ω
3.3nF
3.3nF
3.3nF
3.3nF
Closed
Closed
Closed
Closed
Waveform at Pin 9
Waveform at Pin 9
Waveform at Pin 3
Waveform at Pin 2
NOTES:
7. The hi and lo frequencies can be obtained by connecting pin 8 to pin 7 (f HI ) and then connecting pin 8 to pin 6 (f LO ). Otherwise apply Sweep
Voltage at pin 8 ( 2 / 3 V SUPPLY +2V) ≤ V SWEEP ≤ V SUPPLY where V SUPPLY is the total supply voltage. In Figure 5B, pin 8 should vary between
5.3V and 10V with respect to ground.
8. 10V ≤ V+ ≤ 30V, or ± 5V ≤ V SUPPLY ≤ ± 15V.
9. Oscillation can be halted by forcing pin 10 to +5V or -5V.
10. Output Amplitude is tested under static conditions by forcing pin 10 to 5V then to -5V.
11. Not tested; for design purposes only.
3
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