®
ISL60007
Data Sheet
April 21, 2006
FN8087.3
Precision 2.50V, 1.08µ-Watt, High
Precision FGA™ Voltage References
The ISL60007 FGA™ voltage references are extremely low
power, very high precision analog voltage references
fabricated in Intersil's proprietary Floating Gate Analog
technology. The ISL60007 features low supply voltage
operation at ultra-low 400nA operating current resulting in
typical 1.08µW power consumption.
In addition, the ISL60007 family features guaranteed initial
accuracy as low as ±0.5mV, temperature coefficients as tight
as 3ppm/°C and long-term stability of 10ppm/√1kHrs.
The initial accuracy and thermal stability performance of the
ISL60007 family plus the low power consumption eliminates
the need to compromise accuracy and thermal stability for
reduced power consumption making it an ideal high
resolution, low power data conversion system.
Features
• Reference Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . 2.50V
• Absolute Initial Accuracy Options. . . . . ±0.5mV, & ±1.0mV
• 1.08µW typical Power Consumption
• Supply Voltage Range . . . . . . . . . . . . . . . . . . 2.7V to 5.5V
• Ultra-Low Supply Current. . . . . . . . . . . . . . . . . . . . .400nA
• Low Temperature Coefficient Options . . . . . . . . . 3ppm/°C
5ppm/°C, & 10ppm/°C
• Long Term Stability. . . . . . . . . . . . . . . . . . . 10ppm/√1kHrs
• 7mA Source & Sink Current
• ESD Protection. . . . . . . . . . . . . 5kV (Human Body Model)
• Standard 8 Ld SOIC Packaging
• Temperature Range . . . . . . . . . . . . . . . . . . -40°C to +85°C
• Pb-Free Plus Anneal Available (RoHS Compliant)
Pinout
ISL60007 (8 LD SOIC)
TOP VIEW
GND 1
V
IN
2
DNC 3
GND 4
8
7
6
5
DNC
DNC
V
OUT
DNC
Applications
• High Resolution A/Ds & D/As
• Digital Meters
• Bar Code Scanners
• Mobile Communications
• PDA’s and Notebooks
Pin Descriptions
PIN NAME
GND
V
IN
V
OUT
DNC
Ground Connection
Power Supply Input Connection
Voltage Reference Output Connection
Do Not Connect; Internal Connection - Must Be Left Floating
DESCRIPTION
• Battery Management Systems
• Medical Systems
Ordering Information
PART NUMBER
ISL60007BIB825
ISL60007BIB825Z (Note)
ISL60007CIB825
ISL60007CIB825Z (Note)
ISL60007DIB825
ISL60007DIB825Z (Note)
PART MARKING
60007BI 25
60007BI Z25
60007CI 25
60007CI Z25
60007DI 25
60007DI Z25
V
OUT
OPTION
2.500V
2.500V
2.500V
2.500V
2.500V
2.500V
GRADE
±0.5mV, 3ppm/°C
±0.5mV, 3ppm/°C
±0.5mV, 5ppm/°C
±0.5mV, 5ppm/°C
±1.0mV, 10ppm/°C
±1.0mV, 10ppm/°C
TEMP.
RANGE (°C)
-40 to +85
-40 to +85
-40 to +85
-40 to +85
-40 to +85
-40 to +85
PACKAGE
8 Ld SOIC
PKG. DWG. #
MDP0027
8 Ld SOIC (Pb-free) MDP0027
8 Ld SOIC
MDP0027
8 Ld SOIC (Pb-free) MDP0027
8 Ld SOIC
MDP0027
8 Ld SOIC (Pb-free) MDP0027
*Add "-TK" suffix for tape and reel.
NOTE: Intersil Pb-free plus anneal products employ special Pb-free material sets; molding compounds/die attach materials and 100% matte tin plate
termination finish, which are RoHS compliant and compatible with both SnPb and Pb-free soldering operations. Intersil Pb-free products are MSL
classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020.
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or1-888-468-3774
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Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2004-2006. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
ISL60007
Typical Application
V
IN
= +3.0V
0.1µF
V
IN
10µF
V
OUT
0.001µF*
ISL60007
GND
REF IN
SERIAL
BUS
ENABLE
SCK
SDAT
16 TO 24-BIT
A/D CONVERTER
*Also see Figure 17 in Applications Information.
2
FN8087.3
April 21, 2006
ISL60007
Absolute Maximum Ratings
Storage Temperature Range . . . . . . . . . . . . . . . . . .-65°C to +125°C
Max Voltage V
IN
to Gnd. . . . . . . . . . . . . . . . . . . . . . . -0.5V to +6.5V
Max Voltage V
OUT
to Gnd (10s) . . . . . . . . . . . . . . . -0.5V to +3.50V
Voltage on “DNC” Pins. . . . No connections permitted to these pins.
Lead Temperature, Soldering (10s) . . . . . . . . . . . . . . . . . . . . +225°C
Recommended Operating Conditions
Temperature Range (Industrial) . . . . . . . . . . . . . . . . . . -40°C to 85°C
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.
Electrical Specifications
SYMBOL
Operating Conditions: V
IN
= 3.0V, I
OUT
= 0mA, C
OUT
= 0.001µF, T
A
= -40 to +85°C, Unless Otherwise
Specified.
CONDITIONS
MIN
TYP
MAX
UNITS
PARAMETER
2.500V OUTPUT VOLTAGE
V
OUT
V
OA
Output Voltage
V
OUT
Accuracy @
T
A
= 25°C
ISL60007B25
ISL60007C25
ISL60007D25
TC V
OUT
Output Voltage Temperature
Coefficient (Note 1)
ISL60007B25
ISL60007C25
ISL60007D25
V
IN
I
IN
ΔV
OUT
/ΔV
IN
Input Voltage Range
Supply Current
Line Regulation
+2.7V
≤
V
IN
≤
+5.5V
Sourcing: 0mA
≤
I
OUT
≤
7mA
Sinking: -7mA
≤
I
OUT
≤
0mA
ΔV
OUT
/Δt
ΔV
OUT
/ΔT
A
I
SC
V
N
NOTES:
1. Over the specified temperature range. Temperature coefficient is measured by the box method whereby the change in V
OUT
is divided by the
temperature range; in this case, -40°C to +85°C = 125°C.
2. Thermal Hysteresis is the change in V
OUT
measured @ T
A
= 25°C after temperature cycling over a specified range,
Δ
T
A
. V
OUT
is read initially
at T
A
= 25°C for the device under test. The device is temperature cycled and a second V
OUT
measurement is taken at 25°C. The difference
between the initial V
OUT
reading and the second V
OUT
reading is then expressed in ppm. For
Δ
T
A
= 125°C, the device under test is cycled
from +25°C to +85°C to -40°C to +25°C.
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
significantly smaller with time, asymptotically approaching zero beyond 1000 hours. Because of this decreasing characteristic, long term drift is
specified in ppm/√1kHrs.
Long Term Stability (Note 4)
Thermal Hysteresis (Note 2)
Short Circuit Current (Note 3)
Output Voltage Noise
T
A
= 25°C
ΔT
A
= 125°C
T
A
= 25°C, V
OUT
tied to Gnd
0.1Hz
≤
f
≤
10Hz
2.7
400
30
15
50
10
50
40
30
80
-0.5
-0.5
-1.0
2.500
+0.5
+0.5
+1.0
3
5
10
5.5
800
200
50
150
V
mV
mV
mV
ppm/°C
ppm/°C
ppm/°C
V
nA
µV/V
µV/mA
µV/mA
ppm/√1kHrs
ppm
mA
µV
p-p
ΔV
OUT
/ΔI
OUT
Load Regulation
3
FN8087.3
April 21, 2006
ISL60007
Typical Performance Curves, 2.5V Reference
800
700
600
I
IN
(nA)
500
400nA
400
300
200
100
2.7
300
2.7
570nA
I
IN
(nA)
450
+85°C
400
+25°C
-40°C
250nA
350
V
IN
= 3.0V, I
OUT
= 0mA, T
A
= 25°C
Unless Otherwise Specified
500
3.4
4.1
V
IN
(V)
4.8
5.5
3.4
4.1
V
IN
(V)
4.8
5.5
FIGURE 1. I
IN
vs V
IN
- 3 UNITS
FIGURE 2. I
IN
vs V
IN
- 3 TEMPS
2.5008
NORMALIZED TO +25°C
2.5006
UNIT 2
2.5004
UNIT 1
2.5002
V
OUT
(V)
2.5
2.4998
2.4996
UNIT 3
V
OUT
(V)
2.50030
NORMALIZED TO 2.50V AT V
IN
= 3V
2.50020
UNIT 2
2.50010
UNIT 3
UNIT 1
2.50000
2.49990
2.4994
2.4992
-40
2.49980
2.7
-15
10
35
TEMPERATURE (°C)
60
85
3.4
4.1
V
IN
(V)
4.8
5.5
FIGURE 3. V
OUT
vs TEMP - 3 UNITS
FIGURE 4. LINE REGULATION - 3 UNITS
200
NORMALIZED TO V
IN
= 3V
150
DELTA V
OUT
(V) (µV)
100
+85°C
50
0
-50
-100
2.7
3.4
4.1
V
IN
4.8
5.5
1ms/DIV
100mV/DIV
-40°C
+25°C
ΔV
IN
= +0.3V
ΔV
IN
= -0.3V
FIGURE 5. LINE REGULATION - 3 TEMPS
FIGURE 6. LINE TRANSIENT RESPONSE, C
L
= 0nF
4
FN8087.3
April 21, 2006
ISL60007
Typical Performance Curves, 2.5V Reference
V
IN
= 3.0V, I
OUT
= 0mA, T
A
= 25°C
Unless Otherwise Specified
(Continued)
0
-10
-20
-30
PSRR (dB)
100mV/DIV
-40
100nF LOAD
-50
10nF LOAD
-60
-70
-80
-90
-100
1
1ms/DIV
10
100
1k
10k
100k
1M
FREQUENCY (Hz)
1nF LOAD
ΔV
IN
= +0.3V
NO LOAD
ΔV
IN
= -0.3V
FIGURE 7. LINE TRANSIENT RESPONSE, C
L
= 1nF
FIGURE 8. PSRR vs f vs C
L
0.30
0.20
DELTA V
OUT
(mV)
0.10
0.00
-0.10
-0.20
I
L
= -50µA
-0.30
-7
-6 -5 -4
SINKING
-3
-2
-1
0
1
2
3
4 5 6 7
SOURCING
OUTPUT CURRENT
100µs/DIV
I
L
= +50µA
+85°C
+25°C
-40°C
50mV/DIV
FIGURE 9. LOAD REGULATION vs TEMP
FIGURE 10. LOAD TRANSIENT RESPONSE @ I
L
=50µA, C
L
=1nF
3.5
I
L
= +7mA
V
IN
& V
OUT
(V)
3
2.5
200mV/DIV
V
OUT
2
1.5
1
0.5
I
L
= -7mA
500µs/DIV
0
0
2
4
6
TIME (ms)
8
10
12
V
IN
FIGURE 11. LOAD TRANSIENT RESPONSE @ I
L
=7mA,
C
L
=1nF
FIGURE 12. TURN-ON TIME @ T
A
= 25°C
5
FN8087.3
April 21, 2006
