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ICL7612DCBA-T

P1-P3P4-P6P7-P9P10-P12P13-P13
7
FN2919.9
April 26, 2007
V
OUT
1μF
ICL7611
+
-
+
λ
NOTE: Low leakage currents allow integration times up to several
hours.
FIGURE 3. PHOTOCURRENT INTEGRATOR
ICL7611
+
-
1M
ICL7611
+
-
1M
DUTY CYCLE
V- V+
680kΩ
1M
WAVEFORM GENERATOR
NOTE: Since the output range swings exactly from rail to rail, frequency
and duty cycle are virtually independent of power supply variations.
FIGURE 4. PRECISE TRIANGLE/SQUARE WAVE
GENERATOR
FIGURE 5. AVERAGING AC TO DC CONVERTER FOR A/D
CONVERTERS SUCH AS ICL7106, ICL7107,
ICL7109, ICL7116, ICL7117
FIGURE 6. BURN-IN AND LIFE TEST CIRCUIT
FIGURE 7. V
OS
NULL CIRCUIT
ICL7611
+
-
10μF
ICL7611
+
-
20k
V
IN
20k
V
OH
V
OL
1M
2.2M
COMMON
10k0.5μF
1.8k = 5%
SCALE
ADJUST
TO
SUCCEED-
ING
INPUT
STAGE
+
-
V-
OUT
V+
I
Q
V+
-8V
+8V
T
A
= +125°C
V
OUT
25k
V+
-
+
BAL
V
IN
BAL
ICL7611, ICL7612
8
FN2919.9
April 26, 2007
FIGURE 8. FIFTH ORDER CHEBYCHEV MULTIPLE FEEDBACK LOW PASS FILTER
ICL7611
+
-
ICL7611
+
-
INPUT
30k 160k
0.2μF
0.2μF
0.2μF
0.2μF0.1μF0.1μF
51k100k680k
360k
360k
1M
1M
OUTPUT
(NOTE 5)
(NOTE 5)
NOTES:
5. Note that small capacitors (25pF to 50pF) may be needed for stability in some cases.
6. The low bias currents permit high resistance and low capacitance values to be used to achieve low frequency cutoff. f
C
= 10Hz, A
VCL
= 4,
Passband ripple = 0.1dB.
Typical Performance Curves
FIGURE 9. SUPPLY CURRENT PER AMPLIFIER vs SUPPLY
VOLTAGE
FIGURE 10. SUPPLY CURRENT PER AMPLIFIER vs FREE-AIR
TEMPERATURE
FIGURE 11. INPUT BIAS CURRENT vs TEMPERATURE
FIGURE 12. LARGE SIGNAL DIFFERENTIAL VOLTAGE GAIN
vs FREE-AIR TEMPERATURE
10k
1k
100
10
1
SUPPLY CURRENT (μA)
0 2 4 6 810121416
SUPPLY VOLTAGE (V)
T
A
= +25°C
NO LOAD
NO SIGNAL
I
Q
= 1mA
I
Q
= 100μA
I
Q
= 1mAI
Q
= 10μA
10
4
10
3
10
2
10
1
SUPPLY CURRENT (μA)
-50 -25 0 25 50 75 100 125
FREE-AIR TEMPERATURE (°C)
V+ - V- = 10V
NO LOAD
NO SIGNAL
I
Q
= 1mA
I
Q
= 100μA
I
Q
= 10μA
-50 -25 0 25 50 75 100 125
FREE-AIR TEMPERATURE (°C)
1000
100
10
1.0
0.1
INPUT BIAS CURRENT (pA)
V
S
= ±5V
-50 -25 0 25 50 75 100 125
FREE-AIR TEMPERATURE (°C)
-75
1000
100
10
1
DIFFERENTIAL VOLTAGE GAIN (kV/V)
V
SUPP
= 10V
V
OUT
= 8V
R
L
= 100kΩ
I
Q
= 100μA
R
L
= 10kΩ
I
Q
= 1mA
R
L
= 1MΩ
I
Q
= 10μA
ICL7611, ICL7612
9
FN2919.9
April 26, 2007
FIGURE 13. LARGE SIGNAL FREQUENCY RESPONSE FIGURE 14. COMMON MODE REJECTION RATIO vs FREE-AIR
TEMPERATURE
FIGURE 15. POWER SUPPLY REJECTION RATIO vs FREE-AIR
TEMPERATURE
FIGURE 16. EQUIVALENT INPUT NOISE VOLTAGE vs
FREQUENCY
FIGURE 17. OUTPUT VOLTAGE vs FREQUENCY FIGURE 18. OUTPUT VOLTAGE vs FREQUENCY
Typical Performance Curves (Continued)
10
7
10
6
10
4
10
3
10
2
10
1
10
5
DIFFERENTIAL VOLTAGE GAIN (V/V)
0.1 1.0 10 100 1k 10k 100k 1M
FREQUENCY (Hz)
T
A
= +25°C
V
SUPP
= 15V
0
45
90
135
180
PHASE SHIFT (°)
I
Q
= 1mA
I
Q
= 100μA
PHASE SHIFT
(I
Q
= 1mA)
I
Q
= 10μA
-50 -25 0 25 50 75 100 125
FREE-AIR TEMPERATURE (°C)
-75
105
100
95
90
85
80
75
70
COMMON MODE REJECTION RATIO (dB)
V
SUPP
= 10V
I
Q
= 10μA
I
Q
= 100μA
I
Q
= 1mA
100
95
90
85
80
75
70
65
SUPPLY VOLTAGE REJECTION RATIO (dB)
-50 -25 0 25 50 75 100 125-75
FREE-AIR TEMPERATURE (°C)
I
Q
= 1mA
I
Q
= 100μA
I
Q
= 10μA
V
SUPP
= 10V
600
500
400
300
200
100
0
EQUIVALENT INPUT NOISE VOLTAGE (nV/√Hz)
10 100 1k 10k 100k
FREQUENCY (Hz)
T
A
= +25°C
3V ≤ V
SUPP
≤ 16V
16
14
12
10
8
6
4
2
0
MAXIMUM OUTPUT VOLTAGE (V
P-P
)
100 1k 10k 100k 1M 10M
FREQUENCY (Hz)
V
SUPP
= ±8V
V
SUPP
= ±5V
V
SUPP
= ±2V
I
Q
= 1mA
I
Q
= 10μA
I
Q
= 100μA
T
A
= +25°C
V
SUPP
= 10V
I
Q
= 1mA
16
14
12
10
8
6
4
2
0
MAXIMUM OUTPUT VOLTAGE (V
P-P
)
10k 100k 1M 10M
FREQUENCY (Hz)
T
A
= -55°C
T
A
= +25°C
T
A
= +125°C
ICL7611, ICL7612
P1-P3P4-P6P7-P9P10-P12P13-P13

ICL7612DCBA-T

Mfr. #:
Buy ICL7612DCBA-T
Manufacturer:
Renesas / Intersil
Description:
IC OPAMP GP 1.4MHZ 8SOIC
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
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