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ICL8069
August 1997
Low Voltage Reference
Description
The ICL8069 is a 1.2V temperature-compensated voltage reference. It uses the band-gap principle to achieve excellent stability and low noise at reverse currents down to 50A. Applications include analog-to-digital converters, digital-toanalog converters, threshold detectors, and voltage regulators. Its low power consumption makes it especially suitable for battery operated equipment.
Features
* Low Bias Current (Min) . . . . . . . . . . . . . . . . . . . . . .50A * Low Dynamic Impedance * Low Reverse Voltage * Low Cost
Ordering Information
PART NUMBER ICL8069CCZR ICL8069CCSQ ICL8069DCZR ICL8069DCSQ ICL8069CCBA ICL8069DCBA ICL8069CMSQ ICL8069DMSQ MAXIMUM TEMPCO 0.005%/oC 0.005%/ oC 0.01%/oC 0.01%/oC 0.005%/ oC 0.01%/ oC 0.005%/ oC 0.01%/ oC TEMP. RANGE (oC) 0 to 70 0 to 70 0 to 70 0 to 70 0 to 70 0 to 70 -55 to 125 -55 to 125 PACKAGE SIP Package (TO-92) Metal Can Package (TO-52) SIP Package (TO-92) Metal Can Package (TO-52) 8 Ld SOlC 8 Ld SOlC Metal Can Package (TO-52) Metal Can Package (TO-52) PKG. NO. Z3.05 T2.A Z3.05 T2.A M8.15 M8.15 T2.A T2.A
Pinouts
ICL8069 (SOIC) TOP VIEW ICL8069 (METAL CAN TO-52) TOP VIEW
COMP NC NC NC V1 2 3 4 8 7 6 5 V+ V+ NC NC NC 2 V1 NC 1 V+ 2 V3
ICL8069 (SIP TO-92) TOP VIEW
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. http://www.intersil.com or 407-727-9207 | Copyright (c) Intersil Corporation 1999
File Number
3172.1
12-4
ICL8069 Functional Block Diagrams
SIMPLE REFERENCE (1.2V OR LESS)
+5V
6.8k
ICL8069 4.7F (NOTE 1)
1 2
10k VOUT
BUFFERED 10V REFERENCE USING A SINGLE SUPPLY
+15V ICL8069 2 1
15k
2
-
7 6 8 1k +10VOUT
LM108
3+ 4
5 0.01F
1k 8.2k
DOUBLE REGULATED 100mV REFERENCE FOR ICL7107 ONE-CHIP DPM CIRCUIT
+5V 2.2k +V 1 ICL8069 2 1k REF HI COMMON REF LO 10k ICL7107
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ICL8069
Absolute Maximum Ratings
Reverse Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . See Note 3 Forward Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10mA Reverse Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10mA
Thermal Information
Thermal Resistance (Typical, Note 1) JA (oC/W) JC (oC/W) SOIC Package . . . . . . . . . . . . . . . . . . . 170 N/A SIP (TO-92) Package. . . . . . . . . . . . . . 200 N/A Metal Can Package . . . . . . . . . . . . . . . 200 120 Power Dissipation Limited by MAX Forward/Reverse Current Maximum Junction Temperature (Metal Can Package) . . . . . . . 175oC Maximum Junction Temperature (SOIC Package) . . . . . . . . . 150oC Maximum Storage Temperature Range . . . . . . . . . .-65oC to 150oC Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . . 300oC (SOIC - Lead Tips Only)
Operating Conditions
Temperature Ranges ICL8069C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0oC to 70oC ICL8069M . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55oC to 125oC
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.
NOTE: 1. JA is measured with the component mounted on an evaluation PC board in free air.
Electrical Specifications
PARAMETER Reverse Breakdown Voltage
TA = 25oC Unless Otherwise Specified TEST CONDITIONS IR = 500A 50A lR 5mA lR = 50A lR = 500A MIN 1.20 TYP 1.23 15 1 1 0.7 5 1 MAX 1.25 20 2 2 1 UNITS V mV V V ppm/kHR
Reverse Breakdown Voltage Change Reverse Dynamic Impedance
Forward Voltage Drop RMS Noise Voltage Long Term Stability Breakdown Voltage Temperature Coefficient ICL8069C ICL8069D Reverse Current Range NOTES:
lF = 500A 10Hz F 10kHz, lR = 500A lR = 4.75mA, TA = 25oC IR = 500A, TA = Operating Temperature Range (Note 3)
-
-
0.005 0.01 5
%/ oC %/ oC mA
1.18V to 1.27V
0.050
1. If circuit strays in excess of 200pF are anticipated, a 4.7F shunt capacitor will ensure stability under all operating conditions. 2. In normal use, the reverse voltage cannot exceed the reference voltage. However when plugging units into a powered-up test fixture, an instantaneous voltage equal to the compliance of the test circuit will be seen. This should not exceed 20V. 3. For the military part, measurements are made at 25oC, -55oC, and 125oC. The unit is then classified as a function of the worst case TC from 25oC to -55oC, or 25oC to 125oC.
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ICL8069 Typical Performance Curves
14 OUTPUT VOLTAGE CHANGE (mV) 12 REVERSE CURRENT (A) 10 8 -55oC 6 4 2 0 -2 10 1 100 1mA 10mA 0.2 0.4 0.6 0.8 1.0 1.2 1.4 REVERSE CURRENT (A) REVERSE VOLTAGE (V) 25oC, 125oC 1mA 100mA
100
10 125oC 25oC -55oC
FIGURE 1. VOLTAGE CHANGE AS A FUNCTION OF REVERSE CURRENT
FIGURE 2. REVERSE VOLTAGE AS A FUNCTION OF CURRENT
1.245 IR = 500A 1.240 OUTPUT VOLTAGE (V)
1.235
1.230
1.225
1.220
1.215 -50 -25 0 25 50 75 100 125 TEMPERATURE (oC)
FIGURE 3. REVERSE VOLTAGE AS A FUNCTION OF TEMPERATURE
All Intersil semiconductor products are manufactured, assembled and tested under ISO9000 quality systems certification.
Intersil products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design and/or specifications at any time without notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries.
For information regarding Intersil Corporation and its products, see web site http://www.intersil.com
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