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PDF SHM-14LM Data sheet ( Hoja de datos )
| Número de pieza | SHM-14LM | |
| Descripción | Ultra-Fast/ 14-Bit Linear Monolithic Sample-Hold Amplifiers | |
| Fabricantes | ETC | |
| Logotipo |  |
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®®
INN O VAT IO N a n d E X C E L L E N C E
SHM-14
Ultra-Fast, 14-Bit Linear
Monolithic Sample-Hold Amplifiers
FEATURES
• Fast acquisition time:
10ns to ±0.1%
20ns to ±0.024%
25ns to ±0.012%
• ±0.0012% Nonlinearity
• 65µV rms output noise
• 250MHz small signal bandwidth
• 70MHz full power bandwidth
• –80dB feedthrough
• 1ps Aperture jitter
• 250mW power dissipation
• Low cost
GENERAL DESCRIPTION
The SHM-14 is an extremely high-speed and accurate
monolithic sample-and-hold amplifier designed for fast data
acquisition applications. The SHM-14 is accurate (±0.5 LSB to
14-bits over the full military temperature range) and is very fast
(10ns and 20ns acquisition times to accuracies of 10 and 12
bits respectively). With this high performance and a full power
bandwidth of 70MHz, the SHM-14 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
±2mV/µs and can be further reduced by adding an optional
external hold capacitor. The 30mA output current and
guaranteed specifications for a 100Ω load provide high drive
capability. Operating from ± 5V supplies, the SHM-14
consumes only 250mW of power.
The SHM-14 is built using a fast complementary bipolar
process. The device is available in both military and industrial
temperature ranges. The SHM-14 is packaged in a 16-pin
plastic SOIC or in a 20-pin ceramic LCC.
INPUT/OUTPUT CONNECTIONS — SOIC
PIN FUNCTION
PIN FUNCTION
1 –5V SUPPLY
16 SAMPLE/HOLD
2 DO NOT CONNECT 15 SAMPLE/HOLD
3 ANALOG INPUT
14 +5V SUPPLY
4 DO NOT CONNECT 13 EXT. CAPACITOR
5 –5V SUPPLY
12 GROUND
6 DO NOT CONNECT 11 +5V SUPPLY
7 DO NOT CONNECT 10 +5V SUPPLY
8 –5V SUPPLY
9 ANALOG OUTPUT
INPUT/OUTPUT CONNECTIONS — CLCC
PIN FUNCTION
1 NOT CONNECTED
2 –5V SUPPLY
3 NOT CONNECTED
4 ANALOG INPUT
5 NOT CONNECTED
6 DO NOT CONNECT
7 –5V SUPPLY
8 DO NOT CONNECT
9 DO NOT CONNECT
10 –5V SUPPLY
PIN FUNCTION
20 NOT CONNECTED
19 SAMPLE/HOLD
18 SAMPLE/HOLD
17 +5V SUPPLY
16 NOT CONNECTED
15 EXT. CAPACITOR
14 GROUND
13 +5V SUPPLY
12 +5V SUPPLY
11 ANALOG OUTPUT
–5V SUPPLY
1, 5, 8
EXTERNAL HOLD
CAPACITOR
13
+5V SUPPLY
10, 11, 14
3
ANALOG INPUT
+1
9 ANALOG
+1
CH
OUTPUT
15pF
15
SAMPLE/HOLD
16
SAMPLE/HOLD
SWITCH
DRIVE
2, 4, 6, 7
DO NOT CONNECT
12
GROUND
Note: SOIC Package Pinouts Shown
Figure 1. SHM-14 Functional Block Diagram
DATEL, Inc., 11 Cabot Boulevard, Mansfield, MA 02048-1151 (U.S.A.) • Tel: (508) 339-3000 Fax: (508) 339-6356 • For immediate assistance (800) 233-2765
1 page  
®®
SHM-14
PLASTIC
STANDOFF
20
19 R1 C2
18 C3
17
C1 C5
16
C7
15 R4
14
R3
13
12 C6 R6 R5
C4
11
INCHES
(mm)
0.100
(2.54)
1
2
3
4
5
6
7
8
9 0.018
(0.45)
10
0.43
(11)
0.13
(3.3)
(TOP VIEW)
0.85
(21.59)
1 20
2 19
3 18
4 17
5 16 1.10
(27.94)
6 15
7 14
8 13
9 12
10 11
(BOTTOM VIEW)
Figure 5. SHM-14 Evaluation Board Dimensions
0.95
(24.13)
SHM-14 Evaluation Board Connections
PIN FUNCTION
1 GROUND
2 GROUND
3 GROUND
4 GROUND
5 ANALOG OUTPUT
6 +5V SUPPLY
7 +5V SUPPLY
8 +5V SUPPLY
9 +5V SUPPLY
10 +5V SUPPLY
11 –5V SUPPLY
12 –5V SUPPLY
13 HOLD
14 SAMPLE
15 –5V SUPPLY
16 –5V SUPPLY
17 –5V SUPPLY
18 –5V SUPPLY
19 –5V SUPPLY
20 ANALOG INPUT
5
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet SHM-14LM.PDF ] | |
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