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X60008B-25, X60008C-25, X60008D-25
®
Data Sheet
May 24, 2006
FN8140.1
Precision 2.5V FGA™ Voltage Reference
FEATURES
• Output Voltage: 2.500V
• Absolute Initial Accuracy Options:
±0.5mV & ±1.0mV
• Ultra Low Power Supply Current: 500nA
• Low Temperature Coefficient Options:
3, 5 & 10ppm/°C
• 10mA Source & Sink Current Capability
• 10ppm/1000hrs Long Term Stability
• Supply Voltage Range: 4.5V to 6.5V
• 5kV ESD (Human Body Model)
• Standard Package: 8 Ld SOIC
• Temp Range: -40°C to +85°C
• Pb-Free Plus Anneal Available (RoHS Compliant)
DESCRIPTION
The X60008-25 FGA™ voltage references are very
high precision analog voltage references fabricated in
Intersil’s proprietary Floating Gate Analog technology,
which achieves superior levels of performance when
compared to conventional band gap, buried zener, or
XFET™ technologies.
FGA™ voltage references feature very high initial
accuracy, very low temperature coefficient, excellent
long term stability, low noise and excellent line and
load regulation, at the lowest power consumption
currently available. These voltage references enable
advanced applications for precision industrial &
portable systems operating at significantly higher
accuracy and lower power levels than can be achieved
with conventional technologies.
APPLICATIONS
• High Resolution A/Ds & D/As
• Digital Meters
www.DataSheet4U.com
• Calibration Systems
• V-F Converters
• Precision Current Sources
• Precision Regulators
• Precision Oscillators
• Battery Management Systems
• Smart sensors
• Strain Gage Bridges
• Threshold Detectors
• Servo Systems
TYPICAL APPLICATION
VIN = +5.0V
VIN VOUT
X60008-25
GND
0.1µF
Serial
Bus
10µF
0.001µF(*)
REF IN
Enable
SCK
SDAT
16 to 24-bit
A/D Converter
(*)Also see Figure 3 in Applications Information
1 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2005, 2006. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.

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PACKAGE DIAGRAM
X60008B-25
GND
VIN
DNC
GND
X60008-XX
SOIC
18
27
36
45
DNC
DNC
VOUT
DNC
PIN CONFIGURATIONS
Pin Name
GND
VIN
VOUT
DNC
Description
Ground Connection
Power Supply Input Connection
Voltage Reference Output Connection
Do Not Connect; Internal Connection – Must Be Left Floating
Ordering Information
PART NUMBER
X60008BIS8-25*
X60008BIS8Z-25*
(Note)
X60008CIS8-25
X60008CIS8Z-25*
(Note)
X60008DIS8-25*
X60008DIS8Z-25*
(Note)
PART
MARKING
X60008B I25
X60008B ZI25
X60008C I25
X60008C ZI25
X60008D I25
X60008D ZI25
VOUT (V)
2.5
2.5
2.5
2.5
2.5
2.5
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
TEMPERATURE
RANGE (°C)
PACKAGE
-40 to +85
8 Ld SOIC (150 mil)
-40 to +85
8 Ld SOIC (150 mil)
(Pb-free)
-40 to +85
8 Ld SOIC (150 mil)
-40 to +85
8 Ld SOIC (150 mil)
(Pb-free)
-40 to +85
8 Ld SOIC (150 mil)
-40 to +85
8 Ld SOIC (150 mil)
(Pb-free)
PKG. DWG. #
MDP0027
MDP0027
MDP0027
MDP0027
MDP0027
MDP0027
*Add "T1" 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.
2 FN8140.1
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X60008B-25
ABSOLUTE MAXIMUM RATINGS
Storage Temperature Range..................-65°C to +125°C
Max
Max
Voltage
Voltage
Applied
Applied
VIN to
VOUT
Gnd ...............
to Gnd(*) ........
-0.5V
-0.5V
to
to
+6.5V
+3.5V
Voltage on “DNC” pins......... No connections permitted to
these pins.
Lead Temperature, soldering(*) ...........................+ 225°C
(*) note: maximum duration = 10 seconds
RECOMMENDED OPERATING CONDITIONS
Temperature
Industrial
Min.
-40°C
Max.
+85°C
COMMENT
Absolute Maximum Ratings are limits which may result
in impaired reliability and/or permanent damage to the
device. These are stress ratings provided for informa-
tion only and functional operation of the device at
these or any other conditions beyond those indicated
in the operational sections of this specification are not
implied.
For guaranteed specifications and test conditions, see
Electrical Characteristics.
The guaranteed specifications apply only for the test
conditions listed. Some performance characteristics
may degrade when the device is not operated under
the listed test conditions.
ELECTRICAL CHARACTERISTICS
(Operating Conditions: VIN = 5.0V, IOUT = 0mA, COUT = 0.001µF, TA = -40 to +85°C unless otherwise specified.)
Symbol
Parameter
Conditions
Min Typ Max Units
VOUT
VOA
Output Voltage
VOUT Accuracy
X60008B-25
X60008C-25
X60008D-25
TA = 25°C
2.500
-0.50
-0.50
-1.00
+0.50
+0.50
+1.00
V
mV
IIN
VIN
TC VOUT
ΔVOUT/ΔVIN
ΔVOUT/ΔIOUT
ΔVOUT/Δt
ΔVOUT/ΔTA
ISC
VN
Supply Current
Input Voltage Range
OTeumtppuet rVaotultraegCeoefficient(1)
Line Regulation
Load Regulation
Long Term Stability
Thermal Hysteresis(2)
Short Circuit Current(3)
Output Voltage Noise
X60008B-25
X60008C-25
X60008D-25
+4.5V VIN +6.5V
0mA ISOURCE 10mA
-10mA ISINK 0mA
TA = 25°C
ΔT = -40°C to +85°C
TA = 25°C
0.1Hz to 10Hz
500 800
nA
4.5 6.5 V
3 ppm/°C
5
10
100 µV/V
10 40 µV/mA
20 80
10 ppm/
1000Hrs
50 ppm
50 80 mA
30 µVpp
Note:
1. Over the specified temperature range. Temperature coefficient is measured by the box method whereby the change in VOUT is divided
by the temperature range; in this case, -40°C to +85°C = 125°C.
2. Thermal Hysteresis is the change in VOUT created by package stress @ TA = 25°C after temperature cycling. VOUT is read initially at
TA = 25°C; the X60008 is then cycled between Hot (85°C) and Cold (-40°C) before a second VOUT measurement is taken at 25°C. The
deviation between the initial VOUT reading and the second VOUT reading is then expressed in ppm.
3. Guaranteed by device characterization and/or correlation to other device tests.
3 FN8140.1
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X60008B-25
TYPICAL PERFORMANCE CHARACTERISTIC CURVES
(VIN = 5.0V, IOUT = 0mA, TA = 25°C unless otherwise specified)
80
60
40
20
0
-20
-40
-60
-80
-100
4.5
LINE REGULATION
-40°C
+25°C
+85°C
5 5.5 6
VIN (V)
6.5
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
-0.1
-0.2
-0.3
-20
LOAD REGULATION
+25°C -40°C
+85°C
-15 -10
-5
0
5
SINKING
IOUT (mA)
10 15
SOURCING
20
2.50008
2.50006
2.50004
2.50002
2.5
2.49998
2.49996
2.49994
4.5
LINE REGULATION
310nA
520nA
690nA
5 5.5 6
VIN (V)
6.5
0.1Hz to 10Hz VOUT NOISE
Band Pass Filter with 1 zero at .1Hz and 2 poles at 10 Hz
1 Sec/div
2.502
VOUT vs TEMPERATURE
Normalized to 25°C
2.501
2.5
2.499
520nA
690nA
320nA
2.498
-40
-15 10
35
TEMPERATURE (°C)
60
85
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
1
PSRR vs CAP Load
No Load
1nF Load
10nF
Load
100nF Load
10 100 1000 10000 100000 1000000
FREQUENCY (Hz)
4 FN8140.1
May 24, 2006

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X60008B-25
TYPICAL PERFORMANCE CHARACTERISTIC CURVES
(VIN = 5.0V, IOUT = 0mA, TA = 25°C unless otherwise specified)
10mA LOAD TRANSIENT RESPONSE
CL = .001μF
50μA LOAD TRANSIENT RESPONSE
CL = .001μF
ΔIIN = -10mA
ΔIIN = +10mA
ΔIIN = -50μA
ΔIIN = +50μA
1mS/DIV
LINE TRANSIENT RESPONSE
CL = 0
500μSEC/DIV
LINE TRANSIENT RESPONSE
CL = .001μF
ΔVIN = -500mV
ΔVIN = +500mV
500μSEC/DIV
ΔVIN = -500mV
ΔVIN = +500mV
500μSEC/DIV
5 FN8140.1
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