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5962-9312901MPA 데이터시트 PDF




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부품번호 5962-9312901MPA 기능
기능 High-Speed/ Low-Noise Video Op Amp
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5962-9312901MPA 데이터시트, 핀배열, 회로
a
High-Speed, Low-Noise
Video Op Amp
AD829
FEATURES
High Speed
120 MHz Bandwidth, Gain = –1
230 V/s Slew Rate
90 ns Settling Time to 0.1%
Ideal for Video Applications
0.02% Differential Gain
0.04؇ Differential Phase
Low Noise
1.7 nV/Hz Input Voltage Noise
1.5 pA/Hz Input Current Noise
Excellent DC Precision
1 mV max Input Offset Voltage (Over Temp)
0.3 V/؇C Input Offset Drift
Flexible Operation
Specified for ؎5 V to ؎15 V Operation
؎3 V Output Swing into a 150 Load
External Compensation for Gains 1 to 20
5 mA Supply Current
Available in Tape and Reel in Accordance with
EIA-481A Standard
PRODUCT DESCRIPTION
The AD829 is a low noise (1.7 nV/Hz), high speed op amp
with custom compensation that provides the user with gains
from ± 1 to ± 20 while maintaining a bandwidth greater than
50 MHz. The AD829’s 0.04° differential phase and 0.02%
differential gain performance at 3.58 MHz and 4.43 MHz,
driving reverse-terminated 50 or 75 cables, makes it ideally
suited for professional video applications. The AD829 achieves
its 230 V/µs uncompensated slew rate and 750 MHz gain band-
width product while requiring only 5 mA of current from the
power supplies.
The AD829’s external compensation pin gives it exceptional
versatility. For example, compensation can be selected to opti-
mize the bandwidth for a given load and power supply voltage.
As a gain-of-two line driver, the –3 dB bandwidth can be in-
creased to 95 MHz at the expense of 1 dB of peaking. In addi-
tion, the AD829’s output can also be clamped at its external
compensation pin.
The AD829 has excellent dc performance. It offers a minimum
open-loop gain of 30 V/mV into loads as low as 500 , low
input voltage noise of 1.7 nV/Hz, and a low input offset volt-
age of 1 mV maximum. Common-mode rejection and power
supply rejection ratios are both 120 dB.
The AD829 is also useful in multichannel, high speed data
conversion where its fast (90 ns to 0.1%) settling time is of
importance. In such applications, the AD829 serves as an input
buffer for 8-to-10-bit A/D converters and as an output I/V con-
verter for high speed D/A converters.
REV. E
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
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
CONNECTION DIAGRAMS
8-Lead Plastic Mini-DIP (N),
Cerdip (Q) and SOIC (R) Packages
OFFSET NULL 1 AD829 8 OFFSET NULL
–IN 2
7 +VS
+IN 3
6 OUTPUT
–VS
4
TOP VIEW
(Not to Scale)
5
CCOMP
20-Lead LCC Pinout
3 2 1 20 19
NC 4
IN 5
NC 6
+IN 7
NC 8
AD829
TOP VIEW
(Not to Scale)
18 NC
17 +V
16 NC
15 OUTPUT
14 NC
9 10 11 12 13
NC = NO CONNECT
The AD829 provides many of the same advantages that a trans-
impedance amplifier offers, while operating as a traditional
voltage feedback amplifier. A bandwidth greater than 50 MHz
can be maintained for a range of gains by changing the external
compensation capacitor. The AD829 and the transimpedance
amplifier are both unity gain stable and provide similar voltage
noise performance (1.7 nV/Hz). However, the current noise of
the AD829 (1.5 pA/Hz) is less than 10% of the noise of trans-
impedance amps. Furthermore, the inputs of the AD829 are
symmetrical.
PRODUCT HIGHLIGHTS
1. Input voltage noise of 2 nV/Hz, current noise of 1.5 pA/
Hz and 50 MHz bandwidth, for gains of 1 to 20, make the
AD829 an ideal preamp.
2. Differential phase error of 0.04° and a 0.02% differential
gain error, at the 3.58 MHz NTSC and 4.43 MHz PAL and
SECAM color subcarrier frequencies, make it an outstanding
video performer for driving reverse-terminated 50 and
75 cables to ± 1 V (at their terminated end).
3. The AD829 can drive heavy capacitive loads.
4. Performance is fully specified for operation from ± 5 V to
± 15 V supplies.
5. Available in plastic, cerdip, and small outline packages.
Chips and MIL-STD-883B parts are also available.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700 World Wide Web Site: http://www.analog.com
Fax: 781/326-8703
© Analog Devices, Inc., 2000




5962-9312901MPA pdf, 반도체, 판매, 대치품
AD829–Typical Performance Characteristics
20 20
15
+VOUT
10
VOUT
5
0
0 5 10 15 20
SUPPLY VOLTAGE ؎Volts
Figure 1. Input Common-Mode
Range vs. Supply Voltage
15
+VOUT
10
VOUT
5
RLOAD = 1k
0
0 5 10 15 20
SUPPLY VOLTAGE ؎Volts
Figure 2. Output Voltage Swing
vs. Supply Voltage
6.0
5.5
5.0
4.5
4.0
0
5 10 15
SUPPLY VOLTAGE ؎Volts
20
Figure 4. Quiescent Current vs.
Supply Voltage
5
4
VS = ؎5V, ؎15V
3
2
60 40 20 0 20 40 60 80 100 120 140
TEMPERATURE ؇C
Figure 5. Input Bias Current vs.
Temperature
30
25
؎15 VOLT
SUPPLIES
20
15
10
5 ؎5 VOLT
SUPPLIES
0
10 100 1k 10k
LOAD RESISTANCE
Figure 3. Output Voltage Swing
vs. Resistive Load
100
10
1
0.1
0.01
AV = +20
CCOMP = 0pF
AV = +1
CCOMP = 68pF
0.001
1k
10k 100k 1M 10M
FREQUENCY Hz
100M
Figure 6. Closed-Loop Output
Impedance vs. Frequency
7
6
VS = ؎15V
5
VS = ؎5V
4
3
60 40 20 0 20 40 60 80 100 120 140
TEMPERATURE ؇C
Figure 7. Quiescent Current vs.
Temperature
40
NEGATIVE
CURRENT LIMIT
35
POSITIVE
30 CURRENT LIMIT
25 VS = ؎5V
20
15
60 40 20 0 20 40 60 80 100 120 140
AMBIENT TEMPERATURE ؇C
Figure 8. Short Circuit Current
Limit vs. Temperature
65
VS = ±15V
AV = +20
CCOMP = 0pF
60
55
50
45
60 40 20 0 20 40 60 80 100 120 140
TEMPERATURE ؇C
Figure 9. –3 dB Bandwidth vs.
Temperature
–4– REV. E

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5962-9312901MPA 전자부품, 판매, 대치품
HP8130A
5ns RISE TIME
50
CABLE
45
100
5
+15V
AD829
0.1F
FET PROBE
0.1F
15V
CCOMP = 0pF
1pF 2k
105
Figure 23a. Follower Connection. Gain = +20
AD829
TEKTRONIX
TYPE 7A24
PREAMP
Figure 23b. Gain-of-20 Follower
Large Signal Pulse Response
HP8130A
5ns RISE TIME
50
CABLE
300
50
5pF
300
+15V
0.1F
Figure 23c. Gain-of-20 Follower
Small Signal Pulse Response
AD829
CCOMP
15pF
50
50CABLE
TEKTRONIX
TYPE 7A24
PREAMP
50
0.1F
15V
Figure 24a. Unity Gain Inverter Connection
Figure 24b. Unity Gain Inverter
Large Signal Pulse Response
REV. E
Figure 24c. Unity Gain Inverter
Small Signal Pulse Response
–7–

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5962-9312901MPA

High-Speed/ Low-Noise Video Op Amp

Analog Devices
Analog Devices

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