10 V Precision
a
FEATURES
10 V Output, 0.3% Max
Adjustment Range, 3% Min
Excellent Temperature Stability, 8.5 ppm/C Max
Low Noise, 30 V p-p Max
Low Supply Current, 1.4 mA Max
Wide Input Voltage Range, 12 V to 40 V
High Load Driving Capability, 20 mA
No External Components
Short Circuit Proof
GENERAL DESCRIPTION
The REF01 precision voltage reference provides a stable 10 V
output that can be adjusted over a 3% range with minimal effect
on temperature stability. Single-supply operation over an input
voltage range of 12 V to 40 V, a low current drain of 1 mA,
excellent temperature stability are achieved with an improved
band gap design. Low cost, low noise, and low power make the
REF01 an excellent choice whenever a stable voltage reference
is required. Applications include D/A and A/D converters,
portable instrumentation, and digital voltmeters. Full military
temperature range devices with screening to MIL-STD-883
are available. For new designs, please refer to ADR01.
and
Voltage Reference
REF01
PIN CONFIGURATION
TO-99 (J-Suffix)
NC
8
1
NC
2
V
IN
3
NC
GROUND
NC = NO CONNECT*
*NC = No Connect. Do not connect anything on these pins as some
of them are reserved for factory testing purposes.
4
(CASE)
7
NC
6
V
OUT
5
TRIM
Epoxy MINI-DIP (P-Suffix)
8-Lead Hermetic DIP (Z-Suffix)
8-Lead SO (S-Suffix)
1
NC
2
V
REF01
IN
TOP VIEW
3
NC
(Not to Scale)
4
NC = NO CONNECT*
8
NC
7
NC
6
V
OUT
5
TRIMGND
SIMPLIFIED SCHEMATIC
Q20
R10
Q5
Q3
R7
Q14
Q7
Q9
Q10
R8
Q8
C1
R6
Q6
R3
Q1
R1
R2
R4
Q4
R5
Q2
REV. C
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties that
may result from its use. No license is granted by implication or otherwise
under any patent or patent rights of Analog Devices.
INPUT
R14
Q12
Q11
1.23V
Q15
Q13
Q18
Q16
Q21
Q17
R13
2
R15
Q19
6
R12 16.7k
R9 50k
5
R11 2k
4
OUTPUT
TRIM
GROUND
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700 www.analog.com
Fax: 781/326-8703 © Analog Devices, Inc., 2002
REF01–SPECIFICATIONS
ELECTRICAL SPECIFICATIONS
(@ VIN = 15 V, TA = 25C, unless otherwise noted.)
REF01A/E REF01/H
Parameter Symbol Conditions Min Typ Max Min Typ Max Unit
Output Voltage V
Output Adjustment Range V
Output Voltage Noise
Line Regulation
Load Regulation
Turn-On Settling Time
Quiescent Supply Current I
Load Current I
Sink Current
4
Short Circuit Current I
1
2
2
e
n p-p
3
t
ON
SY
L
I
S
SC
O
TRIM
IL = 0 mA 9.97 10.00 10.03 9.95 10.00 10.05 V
R
= 10 kΩ±3.0 ±3.3 ±3.0 ±3.3 %
P
0.1 Hz to 10 Hz 20 30 20 30 µV p-p
VIN = 13 V to 33 V 0.006 0.010 0.006 0.010 %/V
IL = 0 mA to 10 mA 0.005 0.008 0.006 0.010 %/mA
To ±0.1% of Final Value 5 5 µs
No Load 1.0 1.4 1.0 1.4 mA
10 21 10 21 mA
–0.3 –0.5 –0.3 –0.5 mA
VO = 0 30 30 mA
(@ VIN = 15 V, –55C TA +125C for REF01A/E, and 0C TA 70C for REF01H and
ELECTRICAL SPECIFICATIONS
IL = 0 mA, unless otherwise noted.)
REF01A/E REF01/H
Parameter Symbol Conditions Min Typ Max Min Typ Max Unit
Output Voltage Change V
with Temperature
5, 6
Output Voltage TCV
Temperature Coefficient
OT
7
Change in VO Temperature R
0°C TA 70°C0.02 0.06 0.07 0.17 %
–55°C TA +125°C0.06 0.15 0.18 0.45 %
O
= 10 kΩ 0.7 0.7 ppm/%
P
3.0 8.5 10.0 25.0
ppm/°C
Coefficient with Output
Adjustment
Line Regulation 0°C T
(V
= 13 V to 33 V)
IN
Load Regulation 0°C T
(IL = 0 mA to 8 mA)
2
2
–55°C TA +125°C 0.009 0.015 0.009 0.015 %/V
–55°C TA +125°C 0.007 0.012 0.009 0.015 %/mA
70°C 0.007 0.012 0.007 0.012
A
70°C 0.006 0.010 0.007 0.012
A
ELECTRICAL SPECIFICATIONS
(@ VIN = 15 V, TA = 25C, unless otherwise noted.)
REF01C
Parameter Symbol Conditions Min Typ Max Unit
Output Voltage V
Output Adjustment Range V
Output Voltage Noise
Line Regulation
Load Regulation
Turn-On Settling Time
Quiescent Supply Current I
Load Current I
Sink Current
4
Short Circuit Current I
1
2
2
e
n p-p
3
t
ON
SY
L
I
S
SC
O
TRIM
IL = 0 mA 9.90 10.00 10.10 V
R
= 10 kΩ±2.7 ±3.3 %
P
0.1 Hz to 10 Hz 25 35 µV p-p
VIN = 13 V to 33 V 0.009 0.015 %/V
IL = 0 mA to 8 mA 0.006 0.015 %/mA
To ±0.1% of Final Value 5 µs
No Load 1.0 1.6 mA
821 mA
–0.3 –0.5 mA
VO = 0 30 mA
–2–
REV. C
(@ VIN = 15 V, 0ⴗC ⱕ TA ⱕ 70ⴗC for REF01CJ, REF01CZ, and
ELECTRICAL SPECIFICATIONS
–40ⴗC ⱕ TA ⱕ +85ⴗC for REF01CP and REF01CS, unless otherwise noted.)
REF01C
Parameter Symbol Conditions Min Typ Max Unit
Output Voltage Change ⌬V
with Temperature
5, 6
Output Voltage TCV
Temperature Coefficient
OT
7
O
0.14 0.45 %
20 65
ppm/°C
Change in VO Temperature
Coefficient with Output
Adjustment R
Line Regulation
Load Regulation
NOTES
1
Sample tested.
2
Line and load regulation specifications include the effect of self-heating.
3
Guaranteed by design.
4
During sink current test the device meets the output voltage specified.
5
⌬VOT is defined as the absolute difference between the maximum output voltage and the minimum
output voltage over the specified temperature range expressed as a percentage of 10 V:
VV
∆V
=×
OT
6
⌬VOT specification applies trimmed to +10,000 V or untrimmed.
7
TCVO is defined as ⌬Var divided by the temperature range, i.e.
Specifications are subject to change without notice.
–
MAX MIN
V
10
2
2
100
2
V
IN
REF01
GND
4
15V
V
TRIM
6
O
5
10k⍀
= 10 kΩ 0.7 ppm/%
P
VIN = 13 V to 30 V 0.011 0.018 %/V
IL = 0 to 5 mA 0.008 0.018 %/mA
oo
Vto C
070
∆
TCV to C
TCV to C
oo
070
+
()
O
oo
55 125
−+
()
O
OT
=
=
+
()
o
C
70
VtoC
55 125
−+
∆
()
OT
180
and
oo
o
C
The REF01 trim terminal can be used to adjust the output
voltage over a 10 V ±300 mV range. This feature allows the
system designer to trim system errors by setting the reference to
OUTPUT
a voltage other than 10 V. Of course, the output can also be set
to exactly 10.000 V or to 10.240 V for binary applications.
Adjustment of the output does not significantly affect the temperature performance of the device. The temperature coefficient
change is approximately 0.7 ppm/°C for 100 mV of output
adjustment.
REF01
REV. C
Figure 1. Output Adjustment
+18V
V
IN
REF01
GND
–18V
Figure 2. Burn-In Circuit
DIE SIZE 0.074 ⴛ 0.048 INCH, 3552 SQUARE MILS
(1.88 ⴛ 1.22 mm, 2.29 SQUARE mm)
Figure 3. Dice Characteristics (125
–3–
2
4
6
2. INPUT VOLTAGE (V
4. GROUND
5. TRIM
6. OUTPUT VOLTAGE (V
5
ⴗ
C
Tested Dice Available)
)
IN
)
OUT
REF01
(@ VIN = 15 V, TA = 25C for REF01N and REF01G devices, TA = 125C for REF01NT and REF01GT devices,
WAFER TEST LIMITS
Parameter Symbol Conditions Limit Limit Limit Limit Unit
Output Voltage V
Output Adjustment
Range V
Line Regulation VIN = 13 V to 33 V 0.015 0.01 0.015 0.01 %/V max
*Electrical tests are performed at wafer probe to the limits shown. Due to variations in assembly methods and normal yield loss, yield after packaging is not guaranteed
for standard product dice. Consult factory to negotiate specifications based on dice lot qualification through sample lot assembly and testing.
unless otherwise noted.)*
O
TRIM
IL = 0 10.05 10.03 10.10 10.05 V max
R
= 10 kΩ±3.0 ±3.0 % min
P
REF01NT REF01N REF01GT REF01G
9.95 9.97 9.90 9.95 V min
TYPICAL ELECTRICAL CHARACTERISTICS
(@ VIN = 15 V, TA = 25C, unless otherwise noted.)*
REF01NT REF01N REF01GT REF01G
Parameter Symbol Conditions Typical Typical Typical Typical Unit
Load Regulation I
= 0 mA to 10 mA
L
I
= 0 mA to 8 mA,
L
NT, GT @ 125°C 0.007 0.005 0.009 0.006 %/mA
Output Voltage
Noise e
n p-p
0.1 Hz to 10 Hz 20 20 20 20 µV p-p
Turn-On Settling To ±0.1% of Final
Time t
ON
Value NT, GT @
125°C 7.5 5.0 7.5 5.0 µs
Quiescent Current I
SY
No Load, NT,
GT @ 125°C 1.4 1.0 1.4 1.0 mA
Load Current I
Sink Current I
L
S
21 21 21 21 mA
–0.5 –0.5 –0.5 –0.5 mA
Short Circuit
Current I
SC
VO = 0 30 3030 30mA
Output Voltage
Temperature
Coefficient TCV
*For 25°C specifications of REF01NT and REF01GT, see REF01N and REF01G, respectively.
O
10 10 10 10 ppm/°C
–4–
REV. C
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