intersil ISL21009 DATA SHEET

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ISL21009

Data Sheet September 12, 2007

High Voltage Input Precision, Low Noise
FGA™ Voltage References

The ISL21009 FGA™ voltage references are extremely low
power, high precision, and low noise voltage references
fabricated on Intersil’s proprietary Floating Gate Analog
technology. The ISL21009 features very low noise (4.5µV

P-P

for 0.1Hz to 10Hz), low operating current (180µA, Max), and
3ppm/°C of temperature drift. In addition, the ISL21009
family features guaranteed initial accuracy as low as
±0.5mV.

This combination of high initial accuracy, low power and low
output noise performance of the ISL21009 enables versatile
high performance control and data acquisition applications
with low power consumption.

Available Options

V

OUT

OPTION

PART NUMBER

ISL21009BFB812Z 1.250 ±0.5 3
ISL21009CFB812Z 1.250 ±1.0 5
ISL21009DFB812Z 1.250 ±2.0 10
ISL21009BFB825Z 2.500 ±0.5 3
ISL21009CFB825Z 2.500 ±1.0 5
ISL21009DFB825Z 2.500 ±2.0 10
ISL21009BFB841Z 4.096 ±0.5 3
ISL21009CFB841Z 4.096 ±1.0 5
ISL21009DFB841Z 4.096 ±2.0 10
ISL21009BFB850Z 5.000 ±0.5 3
ISL21009CFB850Z 5.000 ±1.0 5
ISL21009DFB850Z 5.000 ±2.0 10

(V)

ACCURACY

INITIAL

(mV)

TEMPCO.

(ppm/°C)

FN6327.6

Features

• Output Voltages . . . . . . . .1.250V, 2.500V, 4.096V, 5.000V

• Initial Accuracy. . . . . . . . . . . . . .±0.5mV, ±1.0mV, ±2.0mV

• Input Voltage Range. . . . . . . . . . . . . . . . . . .3.5V to 16.5V

• Output Voltage Noise. . . . . . . . .4.5µV

(0.1Hz to 10Hz)

P-P

• Supply Current. . . . . . . . . . . . . . . . . . . . . . . .180µA (Max)

• Temperature Coefficient. . .3ppm/°C, 5ppm/°C, 10ppm/°C

• Output Current Capability. . . . . . . . . . . . . . .Up to ±7.0mA

• Operating Temperature Range. . . . . . . . .-40°C to +125°C

• Package. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Ld SOIC

• Pb-free available (RoHS compliant)

Applications

• High Resolution A/Ds and D/As

• Digital Meters

• Bar Code Scanners

• Basestations

• Battery Management/Monitoring

• Industrial/Instrumentation Equipment

Pinout

ISL21009

(8 LD SOIC)

TOP VIEW

GND or NC

VIN
DNC
GND

1
2
3
4

8

DNC

7

DNC

6

VOUT

5

TRIM or NC

1

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

1-888-INTERSIL or 1-888-468-3774

FGA is a trademark of Intersil Corporation. Copyright Intersil Americas Inc. 2007. All Rights Reserved

| Intersil (and design) is a registered trademark of Intersil Americas Inc.

All other trademarks mentioned are the property of their respective owners.

Pin Descriptions

PIN NUMBER PIN NAME DESCRIPTION

1 GND or NC Can be either Ground or No Connect
2 VIN Power Supply Input Connection
4 GND Ground Connection
5 TRIM Allows user trim typically ±2.5%. Leave Unconnected when unused.
6 VOUT Voltage Reference Output Connection

3, 7, 8 DNC Do Not Connect; Internal Connection – Must Be Left Floating

Ordering Information

ISL21009

PART NUMBER

(Notes 1, 2)

ISL21009BFB812Z 21009BF Z12 1.250 ±0.5mV, 3ppm/°C -40 to +125 8 Ld SOIC M8.15
ISL21009CFB812Z 21009CF Z12 1.250 ±1.0mV, 5ppm/°C -40 to +125 8 Ld SOIC M8.15
ISL21009DFB812Z 21009DF Z12 1.250 ±2.0mV, 10ppm/°C -40 to +125 8 Ld SOIC M8.15
ISL21009BFB825Z 21009BF Z25 2.500 ±0.5mV, 3ppm/°C -40 to +125 8 Ld SOIC M8.15
ISL21009CFB825Z 21009CF Z25 2.500 ±1.0mV, 5ppm/°C -40 to +125 8 Ld SOIC M8.15
ISL21009DFB825Z 21009DF Z25 2.500 ±2.0mV, 10ppm/°C -40 to +125 8 Ld SOIC M8.15
ISL21009BFB841Z 21009BF Z41 4.096 ±0.5mV, 3ppm/°C -40 to +125 8 Ld SOIC M8.15
ISL21009CFB841Z 21009CF Z41 4.096 ±1.0mV, 5ppm/°C -40 to +125 8 Ld SOIC M8.15
ISL21009DFB841Z 21009DF Z41 4.096 ±2.0mV, 10ppm/°C -40 to +125 8 Ld SOIC M8.15
ISL21009BFB850Z 21009BF Z50 5.000 ±0.5mV, 3ppm/°C -40 to +125 8 Ld SOIC M8.15
ISL21009CFB850Z 21009CF Z50 5.000 ±1.0mV, 5ppm/°C -40 to +125 8 Ld SOIC M8.15
ISL21009DFB850Z 21009DF Z50 5.000 ±2.0mV, 10ppm/°C -40 to +125 8 Ld SOIC M8.15

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

V

OPTION

OUT

(V) GRADE

TEMP.

RANGE (°C)

PACKAGE

(Pb-Free) PKG. DWG. #

2

FN6327.6

September 12, 2007

ISL21009

SPI BUS

1

+5V

C1
10µF

X79000

1

SCK

2

A0

3

A1

4

A2

5

SI

6

SO

7

RDY

8

UP

9

DOWN

10

OE

VOUT
VBUF

CS
CLR
VCC

VH

VL

VREF

VSS

VFB

20
19
18
17
16
15
14
13
12
11

LOW NOISE DAC OUTPUT

GND

2

VIN

3

NC

4

GND

ISL21009-25

VOUT

FIGURE 1. TYPICAL APPLICATION PRECISION 12-BIT SUB-RANGING DAC

NC
NC

NC

8
7

6
5

C1

0.001µF

3

FN6327.6

September 12, 2007

ISL21009

Absolute Voltage Ratings Recommended Operating Conditions

Storage Temperature Range . . . . . . . . . . . . . . . . . .-65°C to +150°C

Max Voltage V
Max Voltage V

to GND . . . . . . . . . . . . . . . . . . . . . . .-0.5V to +18V

IN

to GND (10s) . . . . . . . . . . . . . -0.5V to V

OUT

OUT

+1V

Voltage on “DNC” pins. . . . No connections permitted to these pins.

ESD Ratings

Human Body Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6kV

Charged Device Model. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2kV

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.

IMPORT ANT NOTE: A ll p arameters having Min/Max specificati ons are gua ranteed. Typ values are for information purposes only. Unless otherwise note d, all test s ar e at
the specified temperature and are pulsed tests, theref ore: T

= TC = T

J

A

NOTE:

is measured with the component mounted on a high effective thermal conductivity test board in free air. See Tech Brief TB379 for details.

3. θ

JA

Temperature Range (Industrial) . . . . . . . . . . . . . . . -40°C to +125°C

Thermal Information

Continuous Power Dissipation (Note 3) . . . . . . . . . . . . . TA = +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

Common Electrical Specifications (ISL21009-12, -25, -41, -50) T

= -40°C to +125°C, I

A

= 0, unless otherwise specified.

OUT

PARAMETER DESCRIPTION CONDITIONS MIN TYP MAX UNIT

V

OA

V

Accuracy @ TA = +25°C ISL21009B -0.5 +0.5 mV

OUT

ISL21009C -1.0 +1.0 mV
ISL21009D -2.0 +2.0 mV

TC V

OUT

Output Voltage Temperature
Coefficient (Note 4)

ISL21009B 3 ppm/°C
ISL21009C 5 ppm/°C
ISL21009D 10 ppm/°C

I

IN

ΔV
I

SC

t

R

OUT

/ V

Supply Current 95 180 µA
Trim Range ±2.0 ±2.5 %

OUT

Short Circuit Current TA = +25°C, V
Turn-on Settling Time V

= ±0.1% 100 µs

OUT

tied to GND 10 mA

OUT

Ripple Rejection f = 10kHz 60 dB
e

N

V

N

Electrical Specifications (ISL21009-12, V

Output Voltage Noise 0.1Hz ≤ f ≤ 10Hz 4.5 µV
Broadband Voltage Noise 10Hz ≤ f ≤ 1kHz 2.2 µV

= 1.250V) V

OUT

= 5.0V, TA = -40°C to +125°C, I

IN

= 0, unless otherwise specified.

OUT

PARAMETER DESCRIPTION CONDITIONS MIN TYP MAX UNIT

V

OUT

V

IN

ΔV

/ΔV

OUT

ΔV

/ΔI

OUT

/ΔT

ΔV

OUT

ΔV

/Δt Long Term Stability (Note 6) TA = +25°C 50 ppm

OUT

Output Voltage 1.250 V
Input Voltage Range 3.5 16.5 V
Line Regulation 3.5V < VIN < 5.5V 50 150 µV/V

IN

VIN < 16.5V 10 50 µV/V

5.5V <

Load Regulation Sourcing: 0mA ≤ I

OUT

Sinking: -7mA ≤ I

Thermal Hysteresis (Note 5) ΔTA = +165°C 50 ppm

A

≤ 7mA 10 50 µV/mA

OUT

≤ 0mA 20 100 µV/mA

OUT

P-P

RMS

4

FN6327.6

September 12, 2007

ISL21009

Electrical Specifications (ISL21009-25, V

= 2.50V) V

OUT

= 5.0V, TA = -40°C to +125°C, I

IN

= 0, unless otherwise specified.

OUT

PARAMETER DESCRIPTION CONDITIONS MIN TYP MAX UNIT

V

OUT

V

IN

ΔV

/ΔV

OUT

ΔV

/ΔI

OUT

ΔV

/ΔT

OUT

ΔV

/Δt Long Term Stability (Note 6) TA = +25°C 50 ppm

OUT

Electrical Specifications (ISL21009-41, V

Output Voltage 2.500 V
Input Voltage Range 3.5 16.5 V
Line Regulation 3.5V < VIN < 5.5V 50 150 µV/V

IN

VIN < 16.5V 10 50 µV/V

5.5V <

Load Regulation Sourcing: 0mA ≤ I

OUT

Sinking: -7mA ≤ I

Thermal Hysteresis (Note 5) ΔTA = +165°C 50 ppm

A

= 4.096V) V

OUT

≤ 7mA 10 50 µV/mA

OUT

≤ 0mA 20 100 µV/mA

OUT

= 5.0V, TA = -40°C to +125°C, I

IN

specified.

= 0 unless otherwise

OUT

PARAMETER DESCRIPTION CONDITIONS MIN TYP MAX UNIT

V

OUT

V

IN

ΔV

/ΔV

OUT

ΔV

/ΔI

OUT

ΔV

/ΔT

OUT

ΔV

/Δt Long Term Stability (Note 6) TA = +25°C 50 ppm

OUT

Output Voltage 4.096 V
Input Voltage Range 4.5 16.5 V
Line Regulation 4.5V < VIN < 16.5V 50 200 µV/V

IN

Load Regulation Sourcing: 0mA ≤ I

OUT

Sinking: -5mA ≤ I

Thermal Hysteresis (Note 5) ΔTA = +165°C 50 ppm

A

≤ 5mA 20 100 µV/mA

OUT

≤ 0mA 20 150 µV/mA

OUT

Electrical Specifications (ISL21009-50, V

= 5.0V) V

OUT

= 10.0V, TA = -40°C to +125°C, I

IN

= 0 unless otherwise specified.

OUT

PARAMETER DESCRIPTION CONDITIONS MIN TYP MAX UNIT

V

OUT

V

IN

ΔV

/ΔV

OUT

ΔV

/ΔI

OUT

/ΔT

ΔV

OUT

ΔV

/Δt Long Term Stability (Note 6) TA = +25°C 50 ppm

OUT

Output Voltage 5.000 V
Input Voltage Range 5.5 16.5 V
Line Regulation 5.5V < VIN < 16.5V 20 90 µV/V

IN

Load Regulation Sourcing: 0mA ≤ I

OUT

Sinking: -7mA ≤ I

Thermal Hysteresis (Note 5) ΔTA = +165°C 50 ppm

A

≤ 7mA 10 100 µV/mA

OUT

≤ 0mA 20 150 µV/mA

OUT

NOTES:

4. Over the specified temperature range. Temperature coefficient is measured by the box method whereby the change in V
temperature range; in this case, -40°C to +125°C = +165°C.

5. Thermal Hysteresis is the change of V
at T

= +25°C for the device under test. The device is temperature cycled and a second V

A

between the initial V

reading and the second V

OUT

measured @ TA = +25°C after temperature cycling over a specified range, ΔTA. V

OUT

reading is then expressed in ppm. For Δ TA = +165°C, the device under test is cycled

OUT

measurement is taken at +25°C. The difference

OUT

is divided by the

OUT

is read initially

OUT

from +25°C to +125°C to -40°C to +25°C.

6. Long term drift is logarithmic in nature and diminishes over time. Drift after the first 1000 hours will be approximately 10ppm/sqrt(1kHrs).

5

FN6327.6

September 12, 2007

ISL21009

Typical Performance Curves (ISL21009-12) (R

110

105

100

95

(µA)

IN

I

90

85

80

57911131517

UNIT 2

FIGURE 2. IIN vs VIN, 3 UNITS FIGURE 3. IIN vs VIN, 3 TEMPERATURES

60

40

= 5V

IN

20

(µV)

0

OUT

ΔV

-20

-40

NORMALIZED TO V

-60

3.5 5.5 7.5 9.5 11.5 13.5 15.5

UNIT 1

UNIT 3

VIN (V)

UNIT 3

V

(V)

IN

UNIT 1

UNIT 2

= 100kΩ)

EXT

(µV)

OUT

ΔV

100

95

90

(µA)

IN

I

85

80

57911131517

60
40
20

= 5.0V)

IN

0

-20

-40

-60

-80

(NORMALIZED TO V

-100

3.50 5.50 7.50 9.50 11.5 13.5 15.5

+125°C

+25°C

+25°C

+125°C

VIN (V)

(V)

V

IN

-40°C

-40°C

FIGURE 4. LINE REGULATION, 3 UNITS FIGURE 5. LINE REGULATION OVER-TEMPERATURE

0.08

0.06

0.04

0.02

0.00

(mV)

-0.02

OUT

-0.04

ΔV

-0.06

-0.08

-0.10

-0.12

-7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7
SINKING OUTPUT CURRENT (mA) SOURCING

+125°C

+25°C

-40°C

FIGURE 6. LOAD REGULATION FIGURE 7. V

1.25020

1.25015

1.25010

1.25005

1.25000

1.24995

1.24990

(V) NORMALIZED TO 1.250V

1.24985

OUT

V

1.24980

UNIT 2

UNIT 3

-40 -15 10 35 60 85 110

OUT

UNIT 1

TEMPERATURE (°C)

vs TEMPERATURE, 3 UNITS

6

FN6327.6

September 12, 2007