MAXIM ICL8069 User Manual
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General Description
The ICL8069 is a 1.2V temperature-compensated voltage reference. It uses the bandgap principle to achieve
excellent stability and low noise at reverse currents down
to 50µA. Maxim’s ICL8069 also features excellent stability, freedom from oscillation.
Applications
Analog-to-Digital Converters
Digital-to-Analog Converters
Threshold Detectors
Voltage Regulators
Portable Instruments
Features
♦ Temperature Coefficient Guaranteed to 10ppm/°C
max
♦ Low Bias Current: 50µA min
♦ Low Dynamic Impedance
♦ Low Reverse Voltage
♦ Low Cost
ICL8069
Low-Voltage Reference
________________________________________________________________ Maxim Integrated Products 1
Typical Operating Circuit
19-0944; Rev 1; 3/99
PART
ICL8069BCSA 0°C to +70°C
TEMP.
RANGE
PIN-
PACKAGE
8 SO
Pin Configurations
Ordering Information
ICL8069DCSA 0°C to +70°C 8 SO
ICL8069CCSA 0°C to +70°C 8 SO
ICL8069DESA -40°C to +85°C 8 SO
Ordering Information continued at end of data sheet.
MAX
TEMPCO
(ppm/°C)
25
100
50
100
BOTTOM VIEW
TO-52
TO-92
PLASTIC
2
1
2
1
ANODE
CATHODE
50
100
ICL8069CCZQ2 0°C to +70°C TO-92
ICL8069DCZQ2 0°C to +70°C TO-92
查询ICL8069BCSA供应商
+5V
6.8kΩ
4.7µF
ICL8069
*See Note 3
10kΩ
V
OUT
TOP VIEW
(a) Simple Reference (1.2V or Less)
N.C.
1
ICL8069
+5V
2.2kΩ
+
V
ICL8069
(b) Double-Regulated 100mV Reference for ICL7107
One-Chip DPM Circuit
10kΩ
1kΩ
ICL7107
REF HI
COMMON
REF LO
CATHODE
2
3
4
SO
87N.C.
N.C.N.C.
ANODE
6
N.C.N.C.
5
ICL8069
Low-Voltage Reference
2 _______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(TA= +25°C, unless otherwise noted.) (Note 2)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
Note 2: If circuit strays in excess of 200pF are anticipated, a 4.7µF shunt capacitor will ensure stability under all operating condi-
tions.
Note 3: For military devices, measurements are made at +25°C, -55°C, and +125°C, while for commercial devices measurements
are made at +25°C, 0°C, and +70°C. The units are then classified as a function of the worst-case TC. Sample tested to 0.1%
AQL.
Reverse Voltage ..............................................................(Note 1)
Forward Current ..................................................................10mA
Reverse Current ..................................................................10mA
Power Dissipation.......Limited by Max Forward/Reverse Current
Storage Temperature Range .............................-65°C to +150°C
Operating Temperature Ranges
ICL8069C.............................................................0°C to +70°C
ICL8069E ..........................................................-40°C to +85°C
ICL8069M .......................................................-55°C to +125°C
Lead Temperature (soldering, 10sec) .............................+300°C
IR= 50µA,
IR= 500µA
IR= 500µA,
TA= operating
temperature range
(Note 3)
IR= 500µA
IF= 500µA
10Hz ≤ f ≤ 10kHz,
IR= 500µA
CONDITIONS
Ω
12
Reverse Dynamic Impedance
ppm/°C
10
V1.20 1.23 1.25Output Voltage
Output Voltage
Temperature Coefficient
V0.7 1Forward Voltage Drop
µV5RMS Noise Voltage
mA0.050 5Reverse Current Range
UNITSMIN TYP MAXPARAMETER
0.6 2
50µA ≤ IR≤ 5mA mV15 20Output Voltage Change
50
25
100
ICL8069A
ICL8069D
ICL8069C
ICL8069B
Note 1: 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.
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