Datasheet AD587 Datasheet (Analog Devices)

High Precision
10 V Reference
AD587
FEATURES Laser Trimmed to High Accuracy:
10.000 V 5 mV (L and U Grades) Trimmed Temperature Coefficient: 5 ppm/C Max (L and U Grades) Noise Reduction Capability Low Quiescent Current: 4 mA Max Output Trim Capability MIL-STD-883 Compliant Versions Available

GENERAL DESCRIPTION

The AD587 represents a major advance in state-of-the-art monolithic voltage references. Using a proprietary ion-implanted buried Zener diode and laser wafer trimming of high stability thin-film resistors, the AD587 provides outstanding performance at low cost.
The AD587 offers much higher performance than most other 10 V references. Because the AD587 uses an industry-standard pinout, many systems can be upgraded instantly with the AD587. The buried Zener approach to reference design provides lower noise and drift than band gap voltage references. The AD587 offers a noise reduction pin that can be used to further reduce the noise level generated by the buried Zener.
The AD587 is recommended for use as a reference for 8-, 10-, 12-, 14-, or 16-bit DACs that require an external precision reference. The device is also ideal for successive approximation or integrat­ing ADCs with up to 14 bits of accuracy and, in general, can offer better performance than the standard on-chip references.
The AD587J, AD587K, and AD587L are specified for operation from 0°C to 70°C, and the AD587U is specified for –55°C to +125°C operation. All grades are available in 8-lead CERDIP. The J and K versions are also available in an 8-lead SOIC package for surface-mount applications, while the J, K, and L grades also come in an 8-lead PDIP.

FUNCTIONAL BLOCK DIAGRAM

IN
NOISE
REDUCTION
82
R
S
R
I
4
GND
A1
R
R
T
AD587
V
6
OUT
F
TRIM
5
+V
NOTE PINS 1, 3, AND 7 ARE INTERNAL TEST POINTS. NO CONNECTIONS TO THESE POINTS.

PRODUCT HIGHLIGHTS

1. Laser trimming of both initial accuracy and temperature coefficients results in very low errors over temperature without the use of external components. The AD587L has a maximum deviation from 10.000 V of ±8.5 mV between 0°C and 70°C, and the AD587U guarantees ±14 mV maximum total error between –55°C and +125°C.
2. For applications requiring higher precision, an optional fine trim connection is provided.
3. Any system using an industry-standard pinout 10 V reference can be upgraded instantly with the AD587.
4. Output noise of the AD587 is very low, typically 4 µV p-p. A noise reduction pin is provided for additional noise filtering using an external capacitor.
5. The AD587 is available in versions compliant with MIL-STD-883. Refer to the Analog Devices Military Products Databook or the current AD587/883B Data Sheet for detailed specifications.
REV. F
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. Trademarks and registered trademarks are the property of their respective owners.
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 © 2004 Analog Devices, Inc. All rights reserved.
AD587–SPECIFICATIONS
(TA = 25C, VIN = 15 V, unless otherwise noted.)
AD587J AD587K AD587L/AD587U
Parameter Min Typ Max Min Typ Max Min Typ Max Unit
OUTPUT VOLTAGE 9.990 10.010 9.995 10.005 9.995 10.005 V
OUTPUT VOLTAGE DRIFT
1
0°C to 70°C20105ppm/°C –55°C to +125°C20105
GAIN ADJUSTMENT +3 +3 +3 %
–1 –1 –1
LINE REGULATION
1
13.5 V +VIN 36 V
T
to T
MIN
MAX
LOAD REGULATION
Sourcing 0 mA < I
T
to T
MIN
Sourcing –10 mA < I
T
to T
MIN
OUT
MAX
OUT
MAX
1
< 10 mA
< 0 mA
2
±100 ±100 ±100 µV/V
±100 ±100 ±100 µV/mA
±100 ±100 ±100
QUIESCENT CURRENT 2 4 2 4 2 4 mA
POWER DISSIPATION 30 30 30 mW
OUTPUT NOISE
0.1 Hz to 10 Hz 4 4 4 µV p-p Spectral Density, 100 Hz 100 100 100 nV/Hz
LONG-TERM STABILITY ±15 ±15 ±15 ppm/1000 hr.
SHORT-CIRCUIT
CURRENT-TO-GROUND 30 70 30 70 30 70 mA
SHORT-CIRCUIT
CURRENT-TO-V
IN
30 70 30 70 30 70 mA
TEMPERATURE RANGE
Specified Performance (J, K, L) 0 +70 0 +70 0 +70 °C Operating Performance (J, K, L)3–40 +85 –40 +85 –40 +85 Specified Performance (U) –55 +125 –55 +125 –55 +125 Operating Performance (U)
NOTES
1
Specification is guaranteed for all packages and grades. CERDIP packaged parts are 100% production tested.
2
Load regulation (sinking) specification for SOIC (R) package is ±200 µV/mA.
3
The operating temperature range is defined as the temperature extremes at which the device will still function. Parts may deviate from their specified performance outside their specified temperature range.
Specifications subject to change without notice.
3
–55 +125 –55 +125 –55 +125
REV. F–2–
AD587
1
2
3
4
8
7
6
5
AD587
TOP VIEW
(Not to Scale)
TP
*
TRIM
V
OUT
TP
*
NOISE REDUCTION
+V
IN
TP
*
GND
*
TP DENOTES FACTORY TEST POINT. NO CONNECTIONS SHOULD BE MADE TO THESE PINS.

ABSOLUTE MAXIMUM RATINGS*

PIN CONFIGURATION

+VIN to Ground . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 V
Power Dissipation (25°C) . . . . . . . . . . . . . . . . . . . . . 500 mW
Storage Temperature . . . . . . . . . . . . . . . . . . –65°C to +150°C
Lead Temperature (Soldering, 10 sec) . . . . . . . . . . . . . 300°C
Package Thermal Resistance
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22°C/W
JC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110°C/W
JA
Output Protection: Output safe for indefinite short to ground and momentary short to +V
*Stresses above those listed under Absolute Maximum Ratings may cause perma-
nent damage to the device. This is a stress rating only; functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
.
IN
CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate on the human body and test equipment and can discharge without detection. Although the AD587 features proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high energy electrostatic discharges. Therefore, proper ESD precautions are recommended to avoid performance degradation or loss of functionality.

ORDERING GUIDE

Initial Temperature Temperature Package
Model Error Coefficient Range Option
1
AD587JQ 10 mV 20 ppm/°C0°C to 70°C Q-8 AD587JR 10 mV 20 ppm/°C0°C to 70°CR-8 AD587JR-REEL 10 mV 20 ppm/°C0°C to 70°CR-8 AD587JR-REEL7 10 mV 20 ppm/°C0°C to 70°CR-8 AD587JRZ AD587JRZ-REEL AD587JRZ-REEL7 AD587JN 10 mV 20 ppm/°C0°C to 70°C N-8 AD587JNZ
2
2
10 mV 20 ppm/°C0°C to 70°CR-8
2
10 mV 20 ppm/°C0°C to 70°CR-8
2
10 mV 20 ppm/°C0°C to 70°CR-8
10 mV 20 ppm/°C0°C to 70°C N-8 AD587KQ 5 mV 10 ppm/°C0°C to 70°C Q-8 AD587KR 5 mV 10 ppm/°C0°C to 70°CR-8 AD587KR-REEL 5 mV 10 ppm/°C0°C to 70°CR-8 AD587KR-REEL7 5 mV 10 ppm/°C0°C to 70°CR-8 AD587KRZ AD587KRZ-REEL AD587KRZ-REEL7
2
5 mV 10 ppm/°C0°C to 70°CR-8
2
5 mV 10 ppm/°C0°C to 70°CR-8
2
5 mV 10 ppm/°C0°C to 70°CR-8 AD587KN 5 mV 10 ppm/°C0°C to 70°C N-8 AD587LQ 5 mV 5 ppm/°C0°C to 70°C Q-8 AD587LN 5 mV 5 ppm/°C0°C to 70°C N-8 AD587UQ 5 mV 5 ppm/°C –55°C to +125°C Q-8
NOTES
1
N = PDIP; Q = CERDIP; R = SOIC.
2
Z = Pb-free part.
REV. F
–3–
AD587

THEORY OF OPERATION

The AD587 consists of a proprietary buried Zener diode refer­ence, an amplifier to buffer the output, and several high stability thin-film resistors as shown in the block diagram in Figure 1. This design results in a high precision monolithic 10 V output reference with initial offset of 5 mV or less. The temperature compensation circuitry provides the device with a temperature coefficient of under 5 ppm/°C.
IN
2
NOISE
REDUCTION
8
R
S
R
I
4
GND
A1
R
R
T
AD587
V
6
OUT
F
5
TRIM
+V
NOTE PINS 1, 3 AND 7 ARE INTERNAL TEST POINTS. NO CONNECTIONS TO THESE POINTS.
Figure 1. Functional Block Diagram
A capacitor can be added at the NOISE REDUCTION pin (Pin 8) to form a low-pass filter with R
to reduce the noise
S
contribution of the Zener to the circuit.

APPLYING THE AD587

The AD587 is simple to use in virtually all precision reference applications. When power is applied to Pin 2, and Pin 4 is grounded, Pin 6 provides a 10 V output. No external components are required; the degree of desired absolute accuracy is achieved simply by selecting the required device grade. The AD587 requires less than 4 mA quiescent current from an operating supply of 15 V.
Fine trimming may be desired to set the output level to exactly
10.000 V (calibrated to a main system reference). System calibra­tion may also require a reference voltage that is slightly different from 10.000 V, for example, 10.24 V for binary applications. In either case, the optional trim circuit shown in Figure 2 can offset the output by as much as 300 mV with minimal effect on other device characteristics.

NOISE PERFORMANCE AND REDUCTION

The noise generated by the AD587 is typically less than 4 µV p-p over the 0.1 Hz to 10 Hz band. Noise in a 1 MHz bandwidth is approximately 200 µV p-p. The dominant source of this noise is the buried Zener, which contributes approximately 100 nV/Hz. In comparison, the op amp’s contribution is negligible. Figure 3 shows the 0.1 Hz to 10 Hz noise of a typical AD587. The noise measurement is made with a band-pass filter made of a 1-pole high-pass filter with a corner frequency at 0.1 Hz and a 2-pole low-pass filter with a corner frequency at 12.6 Hz to create a filter with a 9.922 Hz bandwidth.
Figure 3. 0.1 Hz to 10 Hz Noise
If further noise reduction is desired, an external capacitor may be added between the NOISE REDUCTION pin and ground, as shown in Figure 2. This capacitor, combined with the 4kΩ R
and the Zener resistances, forms a low-pass filter on the
S
output of the Zener cell. A 1 µF capacitor will have a 3 dB point at 40 Hz, and will reduce the high frequency (to 1 MHz) noise to about 160 µV p-p. Figure 4 shows the 1 MHz noise of a typi- cal AD587 both with and without a 1 µF capacitor.
+V
IN
2
V
OPTIONAL
NOISE REDUCTION CAPACITOR
C
1F
8
N
IN
NOISE REDUCTION
AD587
GND
4
TRIM
V
6
O
5
OUTPUT
10k
Figure 2. Optional Fine Trim Configuration
Figure 4. Effect of 1 µF Noise Reduction Capacitor on Broadband Noise

TURN-ON TIME

Upon application of power (cold start), the time required for the output voltage to reach its final value within a specified error band is defined as the turn-on settling time. Two components normally associated with this are the time for the active circuits to settle, and the time for the thermal gradients on the chip to stabilize. Figure 5 shows the turn-on characteristics of the AD587. It shows the settling to be about 60 µs to 0.01%. Note the absence of any thermal tails when the horizontal scale is expanded to 1ms/cm in Figure 5b.
REV. F–4–
AD587
Output turn-on time is modified when an external noise reduc­tion capacitor is used. When present, this capacitor acts as an additional load to the internal Zener diode’s current source, resulting in a somewhat longer turn-on time. In the case of a 1 µF capacitor, the initial turn-on time is approximately 400 ms to 0.01% (see Figure 5c).
a. Electrical Turn-On

DYNAMIC PERFORMANCE

The output buffer amplifier is designed to provide the AD587 with static and dynamic load regulation superior to less complete references.
Many ADCs and DACs present transient current loads to the reference, and poor reference response can degrade the converter’s performance.
Figures 6b and 6c display the characteristics of the AD587 output amplifier driving a 0 mA to 10 mA load.
V
7.0V
AD587
V
L
1k
10V 0V
OUT
Figure 6a. Transient Load Test Circuit
b. Extended Time Scale
c. Turn-On with 1 µF CN
Figure 5. Turn-On Characteristics
Figure 6b. Large-Scale Transient Response
Figure 6c. Fine Scale Setting for Transient Load
REV. F
–5–
AD587
V
V)
In some applications, a varying load may be both resistive and capacitive in nature, or the load may be connected to the AD587 by a long capacitive cable.
Figure 7b displays the output amplifier characteristics driving a 1000 pF, 0 mA to 10 mA load.
V
7.0V
AD587
C
L
1000pF
V
L
1k
10V 0V
OUT
Figure 7a. Capacitive Load Transient /Response Test Circuit

TEMPERATURE PERFORMANCE

The AD587 is designed for precision reference applications where temperature performance is critical. Extensive temperature testing ensures that the device’s high level of performance is maintained over the operating temperature range.
Some confusion exists in the area of defining and specifying reference voltage error over temperature. Historically, references have been characterized using a maximum deviation per degree Celsius; i.e., ppm/°C. However, because of nonlinearities in temperature characteristics that originated in standard Zener references (such as “S” type characteristics), most manufacturers have begun to use a maximum limit error band approach to specify devices. This technique involves the measurement of the output at three or more different temperatures to specify an output voltage error band.
Figure 9 shows the typical output voltage drift for the AD587L and illustrates the test methodology. The box in Figure 9 is bounded on the sides by the operating temperature extremes and on the top and the bottom by the maximum and minimum output voltages measured over the operating temperature range. The slope of the diagonal drawn from the lower left to the upper right corner of the box determines the performance grade of the device.
SLOPE = T.C. =
V
MAX
(T
– T
MAX
MIN)
V
MAX
– V
MIN
10 106
10.100
T
MIN
T
MAX
Figure 7b. Output Response with Capacitive Load

LOAD REGULATION

The AD587 has excellent load regulation characteristics. Figure 8 shows that varying the load several mA changes the output by only a few µV.
(
OUT
1000
500
–6 –4 –2
246810
0
–500
–1000
LOAD (mA)
Figure 8. Typical Load Regulation Characteristics
V
MIN
10.000
–20 0
20 40
TEMPERATURE – C
60 80
Figure 9. Typical AD587L Temperature Drift
Each AD587J, AD587K, and AD587L grade unit is tested at 0°C, 25°C, and 70°C. Each AD587U grade unit is tested at –55°C, +25°C, and +125°C. This approach ensures that the variations of output voltage that occur as the temperature changes within the specified range will be contained within a box whose diagonal has a slope equal to the maximum specified drift. The position of the box on the vertical scale will change from device to device as initial error and the shape of the curve vary. The maximum height of the box for the appropriate temperature range and device grade is shown in Figure 10. Duplication of these results requires a combination of high accuracy and stable temperature control in a test system. Evaluation of the AD587 will produce acurve similar to that in Figure 9, but output readings may vary depending on the test methods and equipment utilized.
Figure 10. Maximum Output Change in mV
REV. F–6–
AD587

NEGATIVE REFERENCE VOLTAGE FROM AN AD587

The AD587 can be used to provide a precision –10.000 V output as shown in Figure 11. The +V
pin is tied to at least a +3.5 V
IN
supply, the output pin is grounded, and the AD587 ground pin is connected through a resistor, R
, to a –15 V supply. The –10 V
S
output is now taken from the ground pin (Pin 4) instead of
. It is essential to arrange the output load and the supply
V
OUT
resistor R
so that the net current through the AD587 is between
S
2.5 mA and 10.0 mA. The temperature characteristics and long­term stability of the device will be essentially the same as that of a unit used in the standard +10 V output configuration.
3.5V → 26V
2
V
IN
V
6
OUT
AD587
GND
1nF
4
R
–15V
S
2.5mA < – I
I
L
–10V
5V
< 10mA
L
R
S
Figure 11. AD587 as a Negative 10 V Reference

USING THE AD587 WITH CONVERTERS

The AD587 is an ideal reference for a wide variety of 8-, 12-, 14-, and 16-bit ADCs and DACs. Several representative examples follow.

10 V Reference with Multiplying CMOS DACs or ADCs

The AD587 is ideal for applications with 10-bit and 12-bit multiplying CMOS DACs. In the standard hookup, as shown in Figure 12, the AD587 is paired with the AD7545 12-bit multi­plying DAC and the AD711 high speed BiFET op amp. The amplifier DAC configuration produces a unipolar 0 V to –10 V output range. Bipolar output applications and other operating details can be found in the individual product data sheets.
The AD587 can also be used as a precision reference for multi­ple DACs. Figure 13 shows the AD587, the AD7628 dual DAC, and the AD712 dual op amp hooked up for single-supply opera­tion to produce 0 V to –10 V outputs. Because both DACs are on the same die and share a common reference and output op amps, the DAC outputs will exhibit similar gain TCs.
+15V
V
IN
V
OUT
AD587
GND
0.1F
DATA
INPUTS
V
REFA
V
REFB
+15V
RFB A
DGND
OUT A
AGND
RFB B
OUT B
AD712
V
A =
OUT
0 TO – 10V
V
B =
OUT
0 TO – 10V
DAC A
DB0
AD7628
DB7
18
DAC B
Figure 13. AD587 as a 10 V Reference for a CMOS Dual DAC

Precision Current Source

The design of the AD587 allows it to be easily configured as a current source. By choosing the control resistor R
in Figure 14,
C
the user can vary the load current from the quiescent current (2 mA typically) to approximately 10 mA.
+V
IN
2
V
IN
AD587
GND
4
V
6
OUT
R
C
500 MIN
10V
IL = + I
R
C
BIAS
Figure 14. Precision Current Source
+15V
V
IN
AD587
V
OUT
TRIM
GND
0.1F
10k
+15V
V
DD
V
REF
AD7545K
DB11–DB0
R
FB
OUT1
AGND
DGND
R2
+15V
C1
0.1F
33pF
AD711K
0.1F
–15V
Figure 12. Low Power 12-Bit CMOS DAC Application
REV. F
0 TO
V
OUT
10V
–7–
AD587

Precision High Current Supply

For higher currents, the AD587 can easily be connected to a power PNP or power Darlington PNP device. The circuits in Figure 15a and 15b can deliver up to 4 A to the load. The 0.1 µF capacitor is required only if the load has a significant capacitive component. If the load is purely resistive, improved high frequency supply rejection results can be obtained by removing the capacitor.
+V
IN
220
2N6285
0.1F
2
+V
S
AD587
V
6
OUT
4
R
C
10V
I
= + I
L
R
BIAS
C
Figure 15a. Precision High Current Current Source
+V
IN
220
2N6285
0.1F
2
+V
S
V
AD587
V
6
OUT
4
OUT
+10V @ 4 AMPS
Figure 15b. Precision High Current Voltage Source
REV. F–8–

OUTLINE DIMENSIONS

1
4
85
0.310 (7.87)
0.220 (5.59)
PIN 1
0.005 (0.13) MIN
0.055 (1.40) MAX
0.100 (2.54) BSC
15
0
0.320 (8.13)
0.290 (7.37)
0.015 (0.38)
0.008 (0.20)
SEATING PLANE
0.200 (5.08) MAX
0.405 (10.29) MAX
0.150 (3.81) MIN
0.200 (5.08)
0.125 (3.18)
0.023 (0.58)
0.014 (0.36)
0.070 (1.78)
0.030 (0.76)
0.060 (1.52)
0.015 (0.38)
CONTROLLING DIMENSIONS ARE IN INCHES; MILLIMETER DIMENSIONS (IN PARENTHESES) ARE ROUNDED-OFF INCH EQUIVALENTS FOR REFERENCE ONLY AND ARE NOT APPROPRIATE FOR USE IN DESIGN
AD587
8-Lead Plastic Dual In-Line Package [PDIP]
(N-8)
Dimensions shown in inches and (millimeters)
0.375 (9.53)
0.365 (9.27)
0.355 (9.02)
8
1
0.100 (2.54)
0.180 (4.57)
MAX
0.150 (3.81)
0.130 (3.30)
0.110 (2.79)
0.022 (0.56)
0.018 (0.46)
0.014 (0.36)
CONTROLLING DIMENSIONS ARE IN INCHES; MILLIMETER DIMENSIONS (IN PARENTHESES) ARE ROUNDED-OFF INCH EQUIVALENTS FOR REFERENCE ONLY AND ARE NOT APPROPRIATE FOR USE IN DESIGN
COMPLIANT TO JEDEC STANDARDS MO-095AA
BSC
5
4
0.295 (7.49)
0.285 (7.24)
0.275 (6.98)
0.015 (0.38) MIN
SEATING PLANE
0.060 (1.52)
0.050 (1.27)
0.045 (1.14)
0.325 (8.26)
0.310 (7.87)
0.300 (7.62)
0.150 (3.81)
0.135 (3.43)
0.120 (3.05)
0.015 (0.38)
0.010 (0.25)
0.008 (0.20)
8-Lead Ceramic Dual In-Line Package [CERDIP]
(Q-8)
Dimensions shown in inches and (millimeters)
COPLANARITY
REV. F
8-Lead Standard Small Outline Package [SOIC]
Narrow Body
(R-8)
Dimensions shown in millimeters and (inches)
5.00 (0.1968)
4.80 (0.1890)
4.00 (0.1574)
3.80 (0.1497)
0.25 (0.0098)
0.10 (0.0040)
0.10
CONTROLLING DIMENSIONS ARE IN MILLIMETERS; INCH DIMENSIONS (IN PARENTHESES) ARE ROUNDED-OFF MILLIMETER EQUIVALENTS FOR REFERENCE ONLY AND ARE NOT APPROPRIATE FOR USE IN DESIGN
85
1.27 (0.0500)
SEATING
PLANE
COMPLIANT TO JEDEC STANDARDS MS-012AA
BSC
6.20 (0.2440)
5.80 (0.2284)
41
1.75 (0.0688)
1.35 (0.0532)
0.51 (0.0201)
0.31 (0.0122)
0.25 (0.0098)
0.17 (0.0067)
0.50 (0.0196)
0.25 (0.0099)
8 0
1.27 (0.0500)
0.40 (0.0157)
–9–
45
AD587

Revision History

Location Page
7/04—Data Sheet Changed from REV. E to REV. F.
Changes to ORDERING GUIDE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
7/03—Data Sheet Changed from REV. D to REV. E.
Deletion of S and T grades . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Universal
Edits to ORDERING GUIDE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Deletion of DIE SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Edits to Figure 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Updated OUTLINE DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
REV. F–10–
–11–
C00530–0–7/04(F)
–12–
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