ADS-112MM Ver la hoja de datos (PDF) - DATEL Data Acquisition products
Número de pieza
componentes Descripción
Fabricante
ADS-112MM Datasheet PDF : 6 Pages
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FEATURES
• 12-bit resolution
• No missing codes
• 1MHz minimum sampling rate
• Functionally complete
• Small 24-pin DDIP
• Low-power, 1.3 Watts
• Three-state output buffers
• Samples to Nyquist frequencies
GENERAL DESCRIPTION
DATEL’s ADS-112 is a 12-bit, functionally complete, sampling
A/D converter that is packaged in a space-saving 24-pin DDIP.
Requiring ±15V and +5V supplies, a minimum sampling rate of
1MHz is achieved while only dissipating 1.3 Watts. The
ADS-112 digitizes signals up to Nyquist frequencies. Models
are available for use in either commercial (0 to + 70°C) or
military (–55 to +125°C) operating temperature ranges.
Typical applications include spectrum, transient, vibration and
waveform analysis. This device is also ideally suited for radar,
sonar, video digitization, medical instrumentation and high-
speed data acquisition systems.
ADS-112
12-Bit, 1MHz, Low-Power
Sampling A/D Converters
INPUT/OUTPUT CONNECTIONS
PIN FUNCTION
PIN FUNCTION
1 BIT 12 (LSB)
2 BIT 11
3 BIT 10
4 BIT 9
5 BIT 8
6 BIT 7
7 BIT 6
8 BIT 5
9 BIT 4
10 BIT 3
11 BIT 2
12 BIT 1 (MSB)
24 –15V SUPPLY
23 ANALOG GROUND
22 +15V SUPPLY
21 +10V REFERENCE
20 BIPOLAR
19 ANALOG INPUT
18 COMP BIN
17 ENABLE (1-12)
16 START CONVERT
15 EOC
14 DIGITAL GROUND
13 +5V SUPPLY
+10V REF. 21
BIPOLAR 20
ANALOG INPUT 19
REF
S2
FLASH
S/H
ADC
S1
BUFFER
–
+
DAC
17 ENABLE (1-12)
12 BIT 1 (MSB)
11 BIT 2
10 BIT 3
9 BIT 4
8 BIT 5
7 BIT 6
6 BIT 7
5 BIT 8
4 BIT 9
3 BIT 10
2 BIT 11
1 BIT 12 (LSB)
COMP BIN 18
START CONVERT 16
EOC 15
TIMING AND
CONTROL LOGIC
13
+5V SUPPLY
14
DIGITAL GROUND
22
+15V SUPPLY
23
ANALOG GROUND
Figure 1. ADS-112 Functional Block Diagram
24
–15V SUPPLY
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
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