5962-9201301MEA Analog Devices Inc, 5962-9201301MEA Datasheet

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5962-9201301MEA

Manufacturer Part Number
5962-9201301MEA
Description
Manufacturer
Analog Devices Inc
Datasheet

Specifications of 5962-9201301MEA

Power Supply Requirement
Dual
Single Supply Voltage (typ)
Not RequiredV
Single Supply Voltage (min)
Not RequiredV
Single Supply Voltage (max)
Not RequiredV
Mounting
Through Hole
Lead Free Status / RoHS Status
Not Compliant

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Quantity
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Part Number:
5962-9201301MEA
Quantity:
45
a
PRODUCT DESCRIPTION
The AD684 is a monolithic quad sample-and-hold amplifier
(SHA). It features four complete sampling channels, each
controlled by an independent hold command. Each SHA is
complete with an internal hold capacitor. The high accuracy
SHA channels are self-contained and require no external
components or adjustments. The AD684 is manufactured on a
BiMOS process which provides a merger of high performance
bipolar circuitry and low power CMOS logic.
The AD684 is ideal for high performance, multichannel data
acquisition systems. Each SHA channel can acquire a signal in
less than 1 s and retain the held value with a droop rate of less
than 0.01 V/ s. Excellent linearity and ac performance make
the AD684 an ideal front end for high speed 12- and 14-bit
ADCs.
The AD684 has a self-correcting architecture that minimizes
hold mode errors and insures accuracy over temperature. Each
channel of the AD684 is capable of sourcing 5 mA and
incorporates output short circuit protection.
The AD684 is specified for three temperature ranges. The J
grade device is specified for operation from 0 to +70 C, the A
grade from –40 C to +85 C and the S grade from –55 C to
+125 C.
REV. A
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.
FEATURES
Four Matched Sample-and-Hold Amplifiers
Independent Inputs, Outputs and Control Pins
500 ns Hold Mode Settling
1 s Maximum Acquisition Time to 0.01%
Low Droop Rate: 0.01 V/ s
Internal Hold Capacitors
75 ps Maximum Aperture Jitter
Low Power Dissipation: 430 mW
0.3" Skinny DIP Package
MIL-STD-883 Compliant Versions Available
PRODUCT HIGHLIGHTS
1. Fast acquisition time (1 s) and low aperture jitter (75 ps)
2. Monolithic construction insures excellent interchannel
3. Independent inputs, outputs and sample-and-hold controls
4. Low droop (0.01 V/ s) and internally compensated hold
5. The AD684’s fast settling time and low output impedance
6. The AD684 is available in versions compliant with MIL-
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 617/329-4700
make the AD684 the best choice for multiple channel data
acquisition systems.
matching in terms of timing and accuracy, as well as high
reliability.
allow user flexibility in system architecture.
mode error results in superior system accuracy.
make it ideal for driving high speed analog to digital
converters such as the AD578, AD674, AD7572 and the
AD7672.
STD-883. Refer to the Analog Devices Military Products
Databook or current AD684/883B data sheet for detailed
specifications.
Sample-and-Hold Amplifier
FUNCTIONAL BLOCK DIAGRAM
Four-Channel
AD684
Fax: 617/326-8703

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5962-9201301MEA Summary of contents

Page 1

FEATURES Four Matched Sample-and-Hold Amplifiers Independent Inputs, Outputs and Control Pins 500 ns Hold Mode Settling 1 s Maximum Acquisition Time to 0.01% Low Droop Rate: 0. Internal Hold Capacitors 75 ps Maximum Aperture Jitter Low Power ...

Page 2

AD684–SPECIFICATIONS Parameter SAMPLING CHARACTERISTICS Acquisition Time 10 V Step to 0.01 Step to 0.1% Small Signal Bandwidth Full Power Bandwidth HOLD CHARACTERISTICS Effective Aperture Delay Aperture Jitter Hold Settling Time (to 1 mV) l Droop Rate Feedthrough (V ...

Page 3

ABSOLUTE MAXIMUM RATINGS* With Spec Respect to V Common CC V Common EE Control Inputs Common Analog Inputs Common Output Short Circuit to Ground Max Junction Temperature Storage Lead Temperature (10 sec max) Power Dissipation ...

Page 4

AD684–Typical Characteristics Interchannel Isolation vs. Frequency Effective Aperture Delay vs. Frequency Supply Current vs. Supply Voltage Power Supply Rejection Ratio vs. Frequency Bias Current vs. Input Voltage Acquisition Time (to 0.01 %) vs. Input Step Size –4– Droop Rate vs. ...

Page 5

DEFINITIONS OF SPECIFICATIONS Acquisition Time — The length of time that the SHA must remain in the sample mode in order to acquire a full-scale input step to a given level of accuracy. Small Signal Bandwidth — The frequency at ...

Page 6

AD684 DYNAMIC PERFORMANCE The AD684 is compatible with 12-bit A-to-D converters in terms of both accuracy and speed. The fast acquisition time, fast hold settling time and good output drive capability allow the AD684 to be used with high speed, ...

Page 7

The AD684 does not provide separate analog and digital ground leads as is the case with most A-to-D converters. The common pin is the single ground terminal for the device the refer- ence point for the sampled input ...

Page 8

AD684 DATA ACQUISITION APPLICATIONS Figure 9 shows a typical data acquisition circuit using the AD684 and the high speed 12-bit A-to-D converter, the AD7672. Four input signals are simultaneously sampled by the AD684 as the HOLD command is given. One ...

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