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AD712JRZ-REEL

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21
AD712
Rev. H | Page 18 of 20
+15V
0.001µF
100kΩ
0.1µF
0.1µF
–15V
+15
V
0.1µF
0.1µF
–15V
*
D
*
C
*
B
*
A
2800Ω 6190Ω 6490Ω 6190Ω 2800Ω
V
IN
0.001µF
124kΩ
4.99kΩ
4.99kΩ
V
OUT
4.9395E
–15
5.9276E
–15
5.9276E
–15
4.9395E
–15
*
SEE TEXT
A1
AD711
A2
AD711
++++
+
–
+
–
00823-050
Figure 50. 9-Pole Chebychev Filter
9-POLE CHEBYCHEV FILTER
Figure 50 and Figure 51 show the AD712 and its dual counterpart,
the AD711, as a 9-pole Chebychev filter using active frequency
dependent negative resistors (FDNRs). With a cutoff frequency
of 50 kHz and better than 90 dB rejection, it can be used as an
antialiasing filter for a 12-bit data acquisition system with
100 kHz throughput.
As shown in Figure 50, the filter is comprised of four FDNRs
(A, B, C, D) having values of 4.9395 × 10
−15
and 5.9276 × 10
–15
farad-seconds. Each FDNR active network provides a two-pole
response for eight poles. The ninth pole consists of a 0.001F
capacitor and a 124 kΩ resistor at Pin 3 of Amplifier A2. Figure 51
depicts the circuits for each FDNR with the proper selection of
R. To achieve optimal performance, the 0.001 µF capacitors
must be selected for 1% or better matching and all resistors
should have 1% or better tolerance.
+15V
0.001µF
4.99kΩ
0.1µF
0.1µF
–15V
1.0kΩ
0.001µF
R
+
–
1/2
AD712
+
–
1/2
AD712
R: 24.9kΩ FOR 4.9395E
–15
29.4kΩ FOR 5.9276E
–15
+
0
0823-051
Figure 51. FDNR for 9-Pole Chebychev Filter
REF 5.0dBm
10dB/DIV RANGE –5.0dBm
MARKER 96 800.0Hz
–90dBm
START.0Hz
RBW 300Hz
STOP 200 000.0Hz
ST 69.6 SECVBW 30Hz
00823-052
Figure 52. High Frequency Response for 9-Pole Chebychev Filter
AD712
Rev. H | Page 19 of 20
OUTLINE DIMENSIONS
COMPLIANT TO JEDEC STANDARDS MS-001
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.
CORNER LEADS MAY BE CONFIGURED AS WHOLE OR HALF LEADS.
070606-A
0.022 (0.56)
0.018 (0.46)
0.014 (0.36)
SEATING
PLANE
0.015
(0.38)
MIN
0.210 (5.33)
MAX
0.150 (3.81)
0.130 (3.30)
0.115 (2.92)
0.070 (1.78)
0.060 (1.52)
0.045 (1.14)
8
1
4
5
0.280 (7.11)
0.250 (6.35)
0.240 (6.10)
0.100 (2.54)
BSC
0.400 (10.16)
0.365 (9.27)
0.355 (9.02)
0.060 (1.52)
MAX
0.430 (10.92)
MAX
0.014 (0.36)
0.010 (0.25)
0.008 (0.20)
0.325 (8.26)
0.310 (7.87)
0.300 (7.62)
0.195 (4.95)
0.130 (3.30)
0.115 (2.92)
0.015 (0.38)
GAUGE
PLANE
0.005 (0.13)
MIN
Figure 53. 8-Lead Plastic Dual In-Line Package [PDIP]
(N-8)
Dimensions shown in inches and (millimeters)
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.
0.310 (7.87)
0.220 (5.59)
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)
14
58
Figure 54. 8-Lead Ceramic Dual In-Line Package [CERDIP]
(Q-8)
Dimensions shown in inches and (millimeters)
AD712
Rev. H | Page 20 of 20
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.
COMPLIANT TO JEDEC STANDARDS MS-012-AA
012407-A
0.25 (0.0098)
0.17 (0.0067)
1.27 (0.0500)
0.40 (0.0157)
0.50 (0.0196)
0.25 (0.0099)
45°
8°
0°
1.75 (0.0688)
1.35 (0.0532)
SEATING
PLANE
0.25 (0.0098)
0.10 (0.0040)
4
1
85
5.00 (0.1968)
4.80 (0.1890)
4.00 (0.1574)
3.80 (0.1497)
1.27 (0.0500)
BSC
6.20 (0.2441)
5.80 (0.2284)
0.51 (0.0201)
0.31 (0.0122)
COPLANARITY
0.10
Figure 55. 8-Lead Standard Small Outline Package [SOIC_N]
Narrow Body
(R-8)
Dimensions shown in millimeters and (inches)
ORDERING GUIDE
Model
1
Temperature Range Package Description Package Option
AD712AQ −40°C to +85°C 8-Lead CERDIP Q-8
AD712JNZ 0°C to 70°C 8-Lead PDIP N-8
AD712JR 0°C to 70°C 8-Lead SOIC_N R-8
AD712JR-REEL 0°C to 70°C 8-Lead SOIC_N R-8
AD712JR-REEL7 0°C to 70°C 8-Lead SOIC_N R-8
AD712JRZ 0°C to 70°C 8-Lead SOIC_N R-8
AD712JRZ-REEL 0°C to 70°C 8-Lead SOIC_N R-8
AD712JRZ-REEL7 0°C to 70°C 8-Lead SOIC_N R-8
AD712KNZ 0°C to 70°C 8-Lead PDIP N-8
AD712KRZ 0°C to 70°C 8-Lead SOIC_N R-8
AD712KRZ-REEL 0°C to 70°C 8-Lead SOIC_N R-8
AD712KRZ-REEL7 0°C to 70°C 8-Lead SOIC_N R-8
AD712SQ/883B −55°C to +125°C 8-Lead CERDIP Q-8
1
Z = RoHS Compliant Part.
©1986–2010 Analog Devices, Inc. All rights reserved. Trademarks and
registered trademarks are the property of their respective owners.
D00823-0-7/10(H)
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21

AD712JRZ-REEL

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Buy AD712JRZ-REEL
Manufacturer:
Analog Devices Inc.
Description:
Precision Amplifiers PREC HIGH Spd DUAL BIFET
Lifecycle:
New from this manufacturer.
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