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AD830ANADN/a6000avaiHigh Speed, Video Difference Amplifier
AD830JRADN/a696avaiHigh Speed, Video Difference Amplifier
AD830JR. |AD830JRAD N/a2avaiHigh Speed, Video Difference Amplifier


AD830AN ,High Speed, Video Difference AmplifierSpecificationsY2 4 5 VNDifferential Gain Error: 0.06%Differential Phase Error: 0.088NC = NO CONNECT ..
AD830JR ,High Speed, Video Difference AmplifierCHARACTERISTICSOutput Voltage Swing R ≥ 150 Ω±3.2 ±3.5 ±3.2 ±3.5 VLR ≥ 150 Ω, ±4 V ±2.2 +2.7, –2.4 ..
AD830JR. ,High Speed, Video Difference AmplifierCHARACTERISTICSOutput Voltage Swing R ≥ 1 kΩ±12 +13.8, –13.8 ±12 +13.8, –13.8 VLR ≥ 1 kΩ, ±16.5 V ± ..
AD8310ARM ,Fast, Voltage-Out DC-440 MHz 95 dB Logarithmic AmplifierSPECIFICATIONS A SParameter Conditions Min Typ Max UnitINPUT STAGE (Inputs INHI, INLO)1Maximum Inpu ..
AD8310ARMZ ,Fast Response, DCGENERAL DESCRIPTION range. The AD8310 is a complete, dc–440 MHz demodulating The output voltage run ..
AD8310ARMZ-REEL7 ,Fast Response, DCCharacteristics Reordered ....... 6 Changes to Figures 41 and 42 . 20 7/03—Data Sheet Changed from ..
ADP3192JCPZ-RL , 8-Bit Programmable 2- to 4-Phase Synchronous Buck Controller
ADP3192JCPZ-RL , 8-Bit Programmable 2- to 4-Phase Synchronous Buck Controller
ADP3196JCPZ-RL , 6-Bit Programmable 2- to 4-Phase Synchronous Buck Controller
ADP3196JCPZ-RL , 6-Bit Programmable 2- to 4-Phase Synchronous Buck Controller
ADP3198JCPZ-RL , 8-Bit Programmable 2- to 4-Phase Synchronous Buck Controller
ADP3198JCPZ-RL , 8-Bit Programmable 2- to 4-Phase Synchronous Buck Controller


AD830AN-AD830JR-AD830JR.
High Speed, Video Difference Amplifier
CONNECTION DIAGRAM
8-Pin Plastic Mini-DIP (N),
Cerdip (Q) and SOIC (R) Packages

REV.AHigh Speed, Video
Difference Amplifier
FEATURES
Differential Amplification
Wide Common-Mode Voltage Range: +12.8 V, –12 V
Differential Voltage Range: 62 V
High CMRR: 60 dB @ 4 MHz
Built-in Differential Clipping Level: 62.3 V
Fast Dynamic Performance
85 MHz Unity Gain Bandwidth
35 ns Settling Time to 0.1%
360 V/ms Slew Rate
Symmetrical Dynamic Response
Excellent Video Specifications
Differential Gain Error: 0.06%
Differential Phase Error: 0.088
15 MHz (0.1 dB) Bandwidth
Flexible Operation
High Output Drive of 650 mA min
Specified with Both 65 V and 615 V Supplies
Low Distortion: THD = –72 dB @ 4 MHz
Excellent DC Performance: 3 mV max Input Offset
Voltage
APPLICATIONS
Differential Line Receiver
High Speed Level Shifter
High Speed In-Amp
Differential to Single Ended Conversion
Resistorless Summation and Subtraction
High Speed A/D Driver
PRODUCT DESCRIPTION

The AD830 is a wideband, differencing amplifier designed for
use at video frequencies but also useful in many other applica-
tions. It accurately amplifies a fully differential signal at the
Common-Mode Rejection Ratio vs. Frequency
input and produces an output voltage referred to a user-chosen
level. The undesired common-mode signal is rejected, even at
high frequencies. High impedance inputs ease interfacing to fi-
nite source impedances and thus preserve the excellent
common-mode rejection. In many respects, it offers significant
improvements over discrete difference amplifier approaches, in
particular in high frequency common-mode rejection.
The wide common-mode and differential-voltage range of the
AD830 make it particularly useful and flexible in level shifting
applications, but at lower power dissipation than discrete solu-
tions. Low distortion is preserved over the many possible differ-
ential and common-mode voltages at the input and output.
Good gain flatness and excellent differential gain of 0.06% and
phase of 0.08° make the AD830 suitable for many video system
applications. Furthermore, the AD830 is suited for general pur-
pose signal processing from dc to 10 MHz.
AD830–SPECIFICATIONS(VS = 615 V, RLOAD = 150 V, CLOAD = 5 pF, TA = +258C unless otherwise noted)
DC PERFORMANCE
INPUT CHARACTERISTICS
OUTPUT CHARACTERISTICS
POWER SUPPLIES
NOTESSee Standard Military Drawing 5962-9313001MPA for specifications.Clipping level function on X channel only.
Specifications subject to change without notice.
(VS = 65 V, RLOAD = 150 V, CLOAD = 5 pF, TA = +258C unless otherwise noted)
DC PERFORMANCE
INPUT CHARACTERISTICS
OUTPUT CHARACTERISTICS
POWER SUPPLIES
NOTESSee Standard Military Drawing 5962-9313001MPA for specifications.Clipping level function on X channel only.
Specifications subject to change without notice.
AD830
ABSOLUTE MAXIMUM RATINGS1

Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .±18 V
Internal Power Dissipation2 . . . . . . .Observe Derating Curves
Output Short Circuit Duration . . . .Observe Derating Curves
Common-Mode Input Voltage . . . . . . . . . . . . . . . . . . . . . .±VS
Differential Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . .±VS
Storage Temperature Range (Q) . . . . . . . . .–65°C to +150°C
Storage Temperature Range (N) . . . . . . . . .–65°C to +125°C
Storage Temperature Range (R) . . . . . . . . .–65°C to +125°C
Operating Temperature Range
AD830J . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0°C to +70°C
AD830A . . . . . . . . . . . . . . . . . . . . . . . . . . .–40°C to +85°C
AD830S . . . . . . . . . . . . . . . . . . . . . . . . . .–55°C to +125°C
Lead Temperature Range (Soldering 60 seconds) . . .+300°C
NOTESStresses above those listed under “Absolute Maximum Ratings” may cause
permanent damage to the device. This is a stress rating only and functional
operation of the device at these or any other conditions above those indicated in the
operational section of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect device reliability.8-Pin Plastic Package: θJA = 90°C/Watt
8-Pin SOIC Package: θJA = 155°C/Watt
8-Pin Cerdip Package: θJA = 110°C/Watt
MAXIMUM POWER DISSIPATION

The maximum power that can be safely dissipated by the
AD830 is limited by the associated rise in junction temperature.
For the plastic packages, the maximum safe junction tempera-
ture is 145°C. For the cerdip, the maximum junction tempera-
ture is 175°C. If these maximums are exceeded momentarily,
proper circuit operation will be restored as soon as the die tem-
perature is reduced. Leaving the AD830 in the “overheated”
condition for an extended period can result in permanent dam-
age to the device. To ensure proper operation, it is important to
observe the recommended derating curves.
While the AD830 output is internally short circuit protected,
this may not be sufficient to guarantee that the maximum junc-
tion temperature is not exceeded under all conditions. If the
output is shorted to a supply rail for an extended period, then
the amplifier may be permanently destroyed.
ESD SUSCEPTIBILITY

ESD (electrostatic discharge) sensitive device. Electrostatic
charges as high as 4000 volts, which readily accumulate on the
human body and on test equipment, can discharge without de-
tection. Although the AD830 features proprietary ESD protec-
tion circuitry, permanent damage may still occur on these
devices if they are subjected to high energy electrostatic dis-
charges. Therefore, proper ESD precautions are recommended
to avoid any performance degradation or loss of functionality.
ORDERING GUIDE

AD830JR
*See Standard Military Drawing for specifications.
Maximum Power Dissipation vs. Temperature,
Mini-DlP and SOIC Packages
Maximum Power Dissipation vs. Temperature,
Cerdip Package
Figure 1.Common-Mode Rejection Ratio vs. Frequency
Figure 2.Harmonic Distortion vs. Frequency
Figure 3.Input Bias Current vs. Temperature
Figure 4.Power Supply Rejection Ratio vs. Frequency
AD830
Figure 7.Differential Gain and Phase vs. Supply Voltage,
RL = 500 Ω
Figure 8.Harmonic Distortion vs. Peak Amplitude,
Frequency = 100 kHz
Figure 9. Noise Spectral Density
Figure 10.
RL = 150 Ω
Figure 13.Closed-Loop Gain vs. Frequency for the
Three Common Connections of Figure 16
Figure 14.Small Signal Pulse Response,
RL = 150 Ω, CL = 4.7 pF, G = +1
Figure 15.Closed-Loop Gain vs. Frequency vs.
CL, G = +1. VS = ±5 V
AD830
TRADITIONAL DIFFERENTIAL AMPLIFICATION

In the past, when differential amplification was needed to reject
common-mode signals superimposed with a desired signal; most
often the solution used was the classic op amp based difference
amplifier shown in Figure 19. The basic function VO = V1–V2 is
simply achieved, but the overall performance is poor and the cir-
cuit possesses many serious problems that make it difficult to re-
alize a robust design with moderate to high levels of
performance.
Figure 19.Op Amp Based Difference Amplifier
PROBLEMS WITH THE OP AMP BASED APPROACH

• Low Common-Mode Rejection Ratio (CMRR)
• Low Impedance Inputs
• CMRR Highly Sensitive to the Value of Source R
• Different Input Impedance for the + and – Input
• Poor High Frequency CMRR
• Requires Very Highly Matched Resistors R1–R4 to Achieve
High CMRR
• Halves the Bandwidth of the Op Amp
• High Power Dissipation in the Resistors for Large Common-
Mode Voltage
AD830 FOR DIFFERENTIAL AMPLIFICATION

The AD830 amplifier was specifically developed to solve the
listed problems with the discrete difference amplifier approach.
Its topology, discussed in detail in a later section, by design acts
as a difference amplifier. The circuit of Figure 20 shows how
simply the AD830 is configured to produce the difference of two
signals V1 and V2, in which the applied differential signal is
exactly reproduced at the output relative to a separate output
common. Any common-mode voltage present at the input is
removed by the AD830.
Figure 20. AD830 as a Difference Amplifier
ADVANTAGEOUS PROPERTIES OF THE AD830

• High Common-Mode Rejection Ratio (CMRR)
• High Impedance Inputs
• Symmetrical Dynamic Response for +1 and –1 Gain
• Low Sensitivity to the Value of Source R
• Equal Input Impedance for the + and – Input
• Excellent High Frequency CMRR
• No Halving of the Bandwidth
• Constant Power Distortion vs. Common-Mode Voltage
• Highly Matched Resistors Not Needed
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