ISL21009 Intersil Corporation, ISL21009 Datasheet - Page 4
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ISL21009
Manufacturer Part Number
ISL21009
Description
Low Noise Voltage References
Manufacturer
Intersil Corporation
Datasheet
1.ISL21009.pdf
(13 pages)
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Electrical Specifications (ISL21009-50, V
NOTES:
Typical Performance Curves (ISL21009-25)
V
V
I
ΔV
ΔV
ΔV
1. Over the specified temperature range. Temperature coefficient is measured by the box method whereby the change in V
2. Thermal Hysteresis is the change of V
3. Guaranteed by device characterization and/or correlation to other device tests.
4. FGA voltage reference long term drift is a logarithmic characteristic. Changes that occur after the first few hundred hours of operation are
IN
PARAMETER
OUT
IN
OUT
OUT
OUT
temperature range; in this case, -40°C to +125°C = +165°C.
at T
between the initial V
from +25°C to +125°C to -40°C to +25°C.
significantly smaller with time, asymptotically approaching zero beyond 1,000 hours. Because of this decreasing characteristics, long term drift
is specified in ppm/√1kHrs.
2.50010
2.50005
2.50000
2.49995
2.49990
2.49985
2.49980
140
120
100
/ΔI
/ΔT
80
60
40
20
/ΔV
A
0
3.5
= +25°C for the device under test. The device is temperature cycled and a second V
OUT
A
3.5
IN
115µA
FIGURE 4. LINE REGULATION
5.5
FIGURE 2. I
Output Voltage
Input Voltage Range
Supply Current
Line Regulation
Load Regulation
Thermal Hysteresis (Note 2)
5.5
115µA
OUT
7.5
7.5
DESCRIPTION
reading and the second V
81µA
105µA
IN
81µA
vs V
4
9.5
V
IN
9.5
V
IN
IN
(V)
(V)
3 UNITS
OUT
11.5
11.5
measured @ T
105µA
13.5
13.5
OUT
OUT
5.5V < V
Sourcing: 0mA ≤ I
Sinking: -7mA ≤ I
ΔT
A
reading is then expressed in ppm. For Δ T
15.5
= 5.0V)
= +125°C
A
15.5
= +25°C after temperature cycling over a specified range, ΔT
IN
ISL21009
< 16.5V
CONDITIONS
(R
EXT
OUT
OUT
V
= 100kΩ)
IN
≤ 0mA
= 10.0V, T
≤ 7mA
FIGURE 5. LINE REGULATION OVER TEMPERATURE
120
110
100
-100
90
80
-20
-40
-60
-80
60
40
20
3.5
0
A
3.5
= -40°C to +125°C, unless otherwise specified.
OUT
5.5
5.5
+25°C
measurement is taken at +25°C. The difference
FIGURE 3. I
+25°C
MIN
5.5
A
= +165°C, the device under test is cycled
+125°C
7.5
7.5
5.000
TYP
95
20
10
20
50
-40°C
IN
9.5
+125°C
vs V
V
9.5
IN
V
IN
MAX
16.5
(V)
180
100
90
60
IN
(V)
, 3 TEMPERATURES
-40°C
11.5
11.5
A
OUT
. V
OUT
is divided by the
13.5
13.5
µV/mA
µV/mA
is read initially
February 14, 2007
UNIT
µV/V
ppm
µA
V
V
15.5
FN6327.1
15.5