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PDF X60008B-41 Data sheet ( Hoja de datos )

Número de pieza X60008B-41
Descripción (X60008x-41) Precison 4.096V FGA Voltage Reference
Fabricantes Intersil Corporation 
Logotipo Intersil Corporation Logotipo



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X60008B-41, X60008C-41, X60008D-41
®
Data Sheet
March 14, 2005
FN8142.0
Precision 4.096V FGA™ Voltage
Reference
DESCRIPTION
The X60008-41 FGA™ voltage references are very
FEATURES
high precision analog voltage references fabricated in
Intersil’s proprietary Floating Gate Analog technology,
• Output Voltage: 4.096V
• Absolute Initial Accuracy Options:
±0.5mV & ±1.0mV
which achieves superior levels of performance when
compared to conventional band gap, buried zener, or
XFET™ technologies.
• Ultra Low Power Supply Current: 500nA
• Low Temperature Coefficient options:
m3, 5 & 10ppm/°C
• 10 mA Source & Sink Current Capability
o• 10 ppm/1000hrs Long Term Stability
.c• Very Low Dropout Voltage: 100 mV @ no load
• Supply Voltage Range: 4.5V to 9.0V
U• 5kV ESD (Human Body Model)
• Standard Package: SOIC-8
t4• Temp Range: -40°C to +85°C
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.
eAPPLICATIONS
e• High Resolution A/Ds & D/As
h• Digital Meters
• Calibration Systems
S• V-F Converters
• Precision Current Sources
• Precision Regulators
• Precision Oscillators
• Battery Management Systems
• Smart sensors
• Strain Gage Bridges
• Threshold Detectors
• Servo Systems
taTYPICAL APPLICATION
www.Da eet4U.comVIN=+5.0V
VIN VOUT
X60008-41
GND
0.1µF
Serial
Bus
10µF
0.001µF(*)
REF IN
Enable
SCK
SDAT
16 to 24-bit
A/D Converter
ataSh(*)Also see Figure 3 in Applications Information
www.D1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-352-6832 | Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2005. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.

1 page




X60008B-41 pdf
X60008B-41, X60008C-41, X60008D-41
TYPICAL PERFORMANCE CHARACTERISTIC CURVES
(VIN = 5.0V, IOUT = 0mA, TA = 25°C unless otherwise specified)
LOAD REGULATION
0.6
0.5
0.4
+85°C
0.3
+25°C
0.2
-40°C
0.1
0.0
-0.1
-20
-15
SINKING
-10
-5 0 5
OUTPUT CURRENT (mA)
10 15 20
SOURCING
0.1Hz to 10Hz VOUT NOISE
Band Pass Filter with 1 zero at .1Hz and 2 poles at 10 Hz
1 Sec/div
5
FN8142.0
March 14, 2005

5 Page





X60008B-41 arduino
X60008B-41, X60008C-41, X60008D-41
load capacitances above .001µF the noise reduction
network shown in Fig. 3 is recommended. This
network reduces noise sig-nificantly over the full
bandwidth. As shown in Fig. 2, noise is reduced to less
than 40µVp-p from 1Hz to 1MHz using this network
with a .01µF capacitor and a 2kresistor in series with
a 10µF capacitor.
Figure 2.
400
350
300
250
200
150
100
50
0
1
X60008-41 NOISE REDUCTION
CL = 0
CL = .001µF
CL = .1µF
CL = .01µF & 10µF + 2k
10 100 1000 10000 100000
Figure 3.
VIN = 5.0V
.1µF
10µF
VIN
VO
X60008-41
GND
.01µF
2k
10µF
Turn-On Time
The X60008 devices have ultra-low supply current and
thus the time to bias up internal circuitry to final values
will be longer than with higher power references. Nor-
mal turn-on time is typically 7ms. This is shown in the
graph, Figure 4. Since devices can vary in supply cur-
rent down to 300nA, turn-on time can last up to about
12ms. Care should be taken in system design to
include this delay before measurements or conver-
sions are started.
Figure 4.
6
X60008 TURN-ON TIME (25°C)
(3 Representative Units)
5 VIN
IIN = 700nA
4
3
IIN = 520nA
2 IIN = 360nA
1
0
-1 1 3 5 7 9 11
TIME (mSec)
Temperature Coefficient
The limits stated for temperature coefficient (tempco)
are governed by the method of measurement. The
overwhelming standard for specifying the temperature
drift of a reference is to measure the reference voltage
at two temperatures, take the total variation, (VHIGH -
VLOW), and divide by the temperature extremes of
measurement (THIGH - TLOW). The result is divided by
the nominal reference voltage (at T = 25°C) and multi-
plied by 106 to yield ppm/°C. This is the “Box” method
for determining temperature coefficient.
11 FN8142.0
March 14, 2005

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