EVB-SHM12 ETC [List of Unclassifed Manufacturers], EVB-SHM12 Datasheet

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EVB-SHM12

Manufacturer Part Number
EVB-SHM12
Description
Ultra-Fast, 12-Bit Linear Monolithic Sample-Hold Amplifiers
Manufacturer
ETC [List of Unclassifed Manufacturers]
Datasheet
1.EVB-SHM12.pdf (6 pages)
FEATURES
DATEL, Inc., 11 Cabot Boulevard, Mansfield, MA 02048-1151 (U.S.A.)
GENERAL DESCRIPTION
The SHM-12 is an extremely high-speed and accurate
monolithic sample-and-hold amplifier designed for fast data
acquisition applications. The SHM-12 is accurate (±1LSB at 12
bits over the full military temperature range) and is very fast
(10ns and 15ns acquisition times to accuracies of 10 and 12-
bits, respectively). With this high performance and a full power
bandwidth of 55MHz, the SHM-12 is an ideal device for driving
flash and high-resolution subranging A/D converters.
A careful design optimizes the device for accuracy and speed
over the full military temperature range. The droop rate is a low
±0.5mV/µs. The 30mA output current and guaranteed
specifications for a 100
Operating from ±5V supplies, the SHM-12 consumes only
250mW of power.
Fast acquisition time:
±0.006% Nonlinearity
65µVrms output noise
120MHz small signal bandwidth
55MHz full power bandwidth
–80dB feedthrough
1ps Aperture jitter
250mW power dissipation
Low cost
10ns to ±0.1%
15ns to ±0.024%
20ns to ±0.012%
®
IN N O VA T IO N a n d E X C E L L E N C E
ANALOG INPUT
SAMPLE/HOLD
SAMPLE/HOLD
load provide high drive capability.
18
19
4
®
–5V SUPPLY
SWITCH
+1
DRIVE
Figure 1. SHM-12 Functional Block Diagram
1, 2, 5, 7, 9, 10
Tel: (508) 339-3000 Fax: (508) 339-6356
GROUND
Monolithic Sample-Hold Amplifiers
EXTERNAL HOLD
15pF
C
The SHM-12 is built using a fast complementary bipolar
process. The device is available in both military and industrial
temperature ranges. The SHM-12 is packaged in a 20-pin
plastic SOIC or ceramic LCC.
CAPACITOR
14, 16
H
PIN
10
15
1
2
3
4
5
6
7
8
9
–5V SUPPLY
–5V SUPPLY
NOT CONNECTED
ANALOG INPUT
–5V SUPPLY
DO NOT CONNECT
–5V SUPPLY
DO NOT CONNECT
–5V SUPPLY
–5V SUPPLY
FUNCTION
INPUT/OUTPUT CONNECTIONS
(CLCC and SOIC-20 Packages)
+5V SUPPLY
+1
Ultra-Fast, 12-Bit Linear
12, 13, 17, 20
For immediate assistance (800) 233-2765
6, 8
PIN
11
20
19
18
17
16
15
14
13
12
11
3
ANALOG
OUTPUT
NOT CONNECTED
DO NOT
CONNECT
FUNCTION
+5V SUPPLY
SAMPLE/HOLD
SAMPLE/HOLD
+5V SUPPLY
GROUND
EXT. CAPACITOR
GROUND
+5V SUPPLY
+5V SUPPLY
ANALOG OUTPUT
SHM-12

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EVB-SHM12 Summary of contents

Page 1

FEATURES Fast acquisition time: 10ns to ±0.1% 15ns to ±0.024% 20ns to ±0.012% ±0.006% Nonlinearity 65µVrms output noise 120MHz ...

Page 2

SHM-12 ABSOLUTE MAXIMUM RATINGS PARAMETERS +5V Supply –5V Supply Analog Input +5V Supply –1 –5V Supply +1 Continuous Output Current Digital Inputs <Supply Voltages Junction Temperature Lead Temperature (10 seconds) Output shorted to any supply will cause permanent damage. FUNCTIONAL ...

Page 3

GROUNDING AND LAYOUT Obtaining fully specified performance from the SHM-12 requires careful attention to pc-board layout and power supply decoupling. For optimal performance, tie all grounds directly to a large ana- log ground plane beneath and around the ...

Page 4

SHM-12 Evaluation Board for CLCC-20 Version 1, 2 0.1µF ANALOG 4 INPUT 0.1µ –5V SUPPLY 11, 12, 15 0.1µF GROUND GROUND PLANE Model SHM-12L, -12S SHM-12LM 0.1µF SHM-12 19 –5V ...

Page 5

PLASTIC STANDOFF (BOTTOM VIEW) INCHES (mm) 0.43 (11) 0.13 (3.3) 0.100 (2.54 ...

Page 6

... H 3 PLACES) BOTTOM VIEW MODEL NUMBER SHM-12S SHM-12L SHM-12LM EVB-SHM12 Contact DATEL for availability of high-reliability models. ® ® DATEL, Inc. 11 Cabot Boulevard, Mansfield, MA 02048-1151 Tel: (508) 339-3000 (800) 233-2765 Fax: (508) 339-6356 Internet: www ...

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