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ISL21007
Data Sheet
December 13, 2007
FN6326.7
Precision, Low Noise FGA™Voltage
References
The ISL21007 FGA™ voltage references are extremely low
power, high precision, and low noise voltage references
fabricated on Intersil’s proprietary Floating Gate Analog
technology. The ISL21007 features very low noise (4.5µV
P-P
for 0.1Hz to 10Hz) and very low operating current (150µA,
Max). In addition, the ISL21007 family features guaranteed
initial accuracy as low as ±0.5mV.
This combination of high initial accuracy, low drift, and low
output noise performance of the ISL21007 enables versatile
high performance control and data acquisition applications
with low power consumption.
Features
• Reference Output Voltage . . . . . .1.250V, 2.048V, 2.500V,
3.000V
• Initial Accuracy . . . . . . . . . . . . . . . . . . . . ±0.5mV (B grade)
• Input Voltage Range
ISL21007-12, 20, 25. . . . . . . . . . . . . . . . . . . . .2.7V to 5.5V
ISL21007-30. . . . . . . . . . . . . . . . . . . . . . . . . . 3.2V to 5.5V
• Low Output Voltage Noise . . . . .4.5µV
P-P
(0.1Hz to 10Hz)
• Supply Current . . . . . . . . . . . . . . . . . . . . . . . .150µA (Max)
• Temperature Coefficient . . . . . . . . . . . . 3ppm/°C (B grade)
• Operating Temperature Range. . . . . . . . . -40°C to +125°C
• Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Ld SOIC
• Pb-Free (RoHS Compliant)
Available Options
V
OUT
OPTION
(V)
1.250
1.250
1.250
2.048
2.048
2.048
2.500
2.500
2.500
3.000
3.000
3.000
INITIAL
ACCURACY
(mV)
±0.5
±1.0
±2.0
±0.5
±1.0
±2.0
±0.5
±1.0
±2.0
±0.5
±1.0
±2.0
TEMPCO.
(ppm/°C)
3
5
10
3
5
10
3
5
10
3
5
10
Applications
• High Resolution A/Ds and D/As
• Digital Meters
• Bar Code Scanners
• Basestations
• Battery Management/Monitoring
• Industrial/Instrumentation Equipment
PART NUMBER
ISL21007BFB812Z
ISL21007CFB812Z
ISL21007DFB812Z
ISL21007BFB820Z
ISL21007CFB820Z
ISL21007DFB820Z
ISL21007BFB825Z
ISL21007CFB825Z
ISL21007DFB825Z
ISL21007BFB830Z
ISL21007CFB830Z
ISL21007DFB830Z
Pinout
ISL21007
(8 LD SOIC)
TOP VIEW
GND or NC 1
VIN 2
DNC 3
GND 4
8 DNC
7 DNC
6 VOUT
5 TRIM
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.
FGA is a trademark of Intersil Corporation. Copyright Intersil Americas Inc. 2007. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
ISL21007
Ordering Information
PART NUMBER
(Notes 1, 2)
ISL21007BFB812Z
ISL21007CFB812Z
ISL21007DFB812Z
ISL21007BFB820Z
ISL21007CFB820Z
ISL21007DFB820Z
ISL21007BFB825Z
ISL21007CFB825Z
ISL21007DFB825Z
ISL21007BFB830Z
ISL21007CFB830Z
ISL21007DFB830Z
NOTES:
1. These Intersil Pb-free plastic packaged products employ special Pb-free material sets; molding compounds/die attach materials and 100% matte
tin plate PLUS ANNEAL - e3 termination finish, which is 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. Add “-TK” suffix for tape and reel. Please refer to TB347 for details on reel specifications.
PART MARKING
21007BF Z12
21007CF Z12
21007DF Z12
21007BF Z20
21007CF Z20
21007DF Z20
21007BF Z25
21007CF Z25
21007DF Z25
21007BF Z30
21007CF Z30
21007DF Z30
V
OUT
OPTION
(V)
1.250
1.250
1.250
2.048
2.048
2.048
2.500
2.500
2.500
3.000
3.000
3.000
GRADE
±0.5mV, 3ppm/°C
±1.0mV, 5ppm/°C
±2.0mV, 10ppm/°C
±0.5mV, 3ppm/°C
±1.0mV, 5ppm/°C
±2.0mV, 10ppm/°C
±0.5mV, 3ppm/°C
±1.0mV, 5ppm/°C
±2.0mV, 10ppm/°C
±0.5mV, 3ppm/°C
±1.0mV, 5ppm/°C
±2.0mV, 10ppm/°C
TEMP. RANGE
(°C)
-40 to +125
-40 to +125
-40 to +125
-40 to +125
-40 to +125
-40 to +125
-40 to +125
-40 to +125
-40 to +125
-40 to +125
-40 to +125
-40 to +125
PACKAGE
(Pb-Free)
8 Ld SOIC
8 Ld SOIC
8 Ld SOIC
8 Ld SOIC
8 Ld SOIC
8 Ld SOIC
8 Ld SOIC
8 Ld SOIC
8 Ld SOIC
8 Ld SOIC
8 Ld SOIC
8 Ld SOIC
PKG. DWG. #
M8.15
M8.15
M8.15
M8.15
M8.15
M8.15
M8.15
M8.15
M8.15
M8.15
M8.15
M8.15
2
FN6326.7
December 13, 2007
ISL21007
Pin Descriptions
PIN NUMBER
1
2
4
5
6
3, 7, 8
PIN NAME
GND or NC
VIN
GND
TRIM
VOUT
DNC
Ground or No Connection
Power Supply Input Connection
Ground
Allows user trim VOUT ±2.5%
Voltage Reference Output Connection
Do Not Connect; Internal Connection - Must Be Left Floating
DESCRIPTION
Typical Application Circuit
1 GND
+3V
C1
10µF
2 VIN
3 NC
4 GND
NC 8
NC 7
VOUT 6
TRIM 5
ISL21007-12, 20, 25, 30
SPI BUS
X79000
1 SCK
2 A0
3 A1
4 A2
5 SI
6 SO
7 RDY
8 UP
9 DOWN
10 OE
CS 20
CLR 19
VCC 18
VH 17
VL 16
VREF 15
VSS 14
VOUT 13
VBUF 12
VFB 11
LOW NOISE DAC OUTPUT
C1
0.001µF
FIGURE 1. TYPICAL APPLICATION PRECISION 12-BIT SUBRANGING DAC
3
FN6326.7
December 13, 2007
ISL21007
Absolute Voltage Ratings
Storage Temperature Range . . . . . . . . . . . . . . . . . .-65°C to +150°C
Max Voltage V
IN
to GND . . . . . . . . . . . . . . . . . . . . . . -0.5V to +6.5V
Max Voltage V
OUT
to GND (10s) . . . . . . . . . . . . . . -0.5V to V
OUT
+ 1
Voltage on “DNC” pins . . . . No connections permitted to these pins.
ESD Rating
Human Body Model (HBM) . . . . . . . . . . . . . . . . . . . . . . . . . . .6kV
Machine Model (MM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .600V
Charged Device Model (CDM) . . . . . . . . . . . . . . . . . . . . . . . . .2kV
Thermal Information
Thermal Resistance (Typical, Note 3)
θ
JA
(°C/W)
8 Ld SOIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
113.12
Continuous Power Dissipation (Note 3) . . . . . . . . . . . . . T
A
= +70°C
8 Ld SOIC derate 5.88mW/°C above +70°C . . . . . . . . . . . . 471mW
Pb-free reflow profile. . . . . . . . . . . . . . . . . . . . . . . . . . see link below
http://www.intersil.com/pbfree/Pb-FreeReflow.asp
Recommended Operating Conditions
Temperature Range (Industrial) . . . . . . . . . . . . . . . .-40°C to +125°C
CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact product reliability and
result in failures not covered by warranty.
IMPORTANT NOTE: All parameters having Min/Max specifications are guaranteed. Typ values are for information purposes only. Unless otherwise noted, all tests are at
the specified temperature and are pulsed tests, therefore: T
J
= T
C
= T
A
NOTE:
3.
θ
JA
is measured with the component mounted on a high effective thermal conductivity test board in free air. See Tech Brief TB379 for details.
Common Electrical Specifications (ISL21007-12, -20, -25, -30)
T
A
= -40°C to +125°C, unless otherwise specified.
PARAMETER
V
OA
DESCRIPTION
V
OUT
Accuracy @ T
A
= +25°C
ISL21007B
ISL21007C
ISL21007D
TC V
OUT
Output Voltage Temperature
Coefficient (Note 4)
ISL21007B
ISL21007C
ISL21007D
I
IN
Supply Current
Trim Range
t
R
Turn-on Settling Time
Ripple Rejection
e
N
V
N
Output Voltage Noise
Broadband Voltage Noise
Noise Density
V
OUT
= ±0.1%
f = 10kHz
0.1Hz
≤
f
≤
10Hz
10Hz
≤
f
≤
1kHz
f = 1kHz
±2.0
75
±2.5
120
60
4.5
2.2
60
CONDITIONS
MIN
-0.5
-1.0
-2.0
TYP
MAX
+0.5
+1.0
+2.0
3
5
10
150
UNIT
mV
mV
mV
ppm/°C
ppm/°C
ppm/°C
µA
%
µs
dB
µV
P-P
µV
RMS
nV/√Hz
Electrical Specifications (ISL21007-12, V
OUT
= 1.250V)
V
IN
= 3.0V, T
A
= -40°C to +125°C, unless otherwise specified.
PARAMETER
V
IN
V
OUT
ΔV
OUT
/ΔV
IN
ΔV
OUT
/ΔI
OUT
DESCRIPTION
Input Voltage Range
Output Voltage
Line Regulation
Load Regulation
2.7V < V
IN
< 5.5V
Sourcing: 0mA
≤
I
OUT
≤
7mA
Sinking: -7mA
≤
I
OUT
≤
0mA
I
SC
ΔV
OUT
/ΔT
A
ΔV
OUT
/Δt
Short Circuit Current
Thermal Hysteresis (Note 5)
Long Term Stability (Note 6)
T
A
= +25°C, V
OUT
tied to GND
ΔT
A
= +165°C
T
A
= +25°C
CONDITIONS
MIN
2.7
1.250
100
10
20
40
50
100
700
100
150
TYP
MAX
5.5
UNIT
V
V
µV/V
µV/mA
µV/mA
mA
ppm
ppm
4
FN6326.7
December 13, 2007
