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PDF ( 数据手册 , 数据表 ) ADS-119

零件编号 ADS-119
描述 Low-Power Sampling A/D Converters
制造商 DATEL
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ADS-119 数据手册, 描述, 功能
®®
ADS-119
12-Bit, 10MHz, Low-Power
Sampling A/D Converters
FEATURES
12-bit resolution
10MHz minimum sampling rate
Functionally complete
Small 24-pin DDIP or SMT package
Requires only ±5V supplies
Low-power, 1.8 Watts
Outstanding dynamic performance
Edge-triggered
No missing codes over temperature
Ideal for both time and frequency-domain applications
GENERAL DESCRIPTION
The ADS-119 is a high-performance, 12-bit, 10MHz sampling
A/D converter. The device samples input signals up to Nyquist
frequencies with no missing codes. The ADS-119 features
excellent dynamic performance including a typical SNR of
69dB.
Packaged in a metal-sealed, ceramic, 24-pin DDIP, the
functionally complete ADS-119 contains a fast-settling sample/
hold amplifier, a subranging (two-pass) A/D converter, a
precise voltage reference, timing/control logic, and error-
correction circuitry. All timing and control logic operates from
the rising edge of a single start convert pulse. Digital input and
output levels are TTL.
Requiring only ±5V supplies, the ADS-119 typically dissipates
1.8 Watts. The unit offers a bipolar input range of ±1.5V.
Models are available for use in either commercial (0 to +70°C)
or military (–55 to +125°C) operating temperature ranges.
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
24 NO CONNECT
23 ANALOG GROUND
22 NO CONNECT
21 +5V ANALOG SUPPLY
20 –5V SUPPLY
19 ANALOG INPUT
18 ANALOG GROUND
17 OFFSET ADJUST
16 START CONVERT
15 DATA VALID
14 DIGITAL GROUND
13 +5V DIGITAL SUPPLY
Typical applications include signal analysis, medical/graphic
imaging, process control, ATE, radar, and sonar.
OFFSET ADJUST 17
ANALOG INPUT 19
S/H
+
BUFFER
FLASH
ADC
1
REF
Σ
DAC
AMP
FLASH
ADC
2
12 BIT 1 (MSB)
11 BIT 2
10 BIT 3
9 BIT 4
8 BIT 5
7 BIT 6
6 BIT 7
5 BIT 9
4 BIT 9
3 BIT 10
2 BIT 11
1 BIT 12 (LSB)
START CONVERT 16
DATA VALID 15
TIMING AND
CONTROL LOGIC
21
+5V ANALOG
SUPPLY
13
+5V DIGITAL
SUPPLY
14
DIGITAL
GROUND
20
–5V SUPPLY
18, 23
ANALOG
GROUND
Figure 1. ADS-119 Functional Block Diagram
22, 24
NO CONNECT
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







ADS-119 pdf, 数据表
ADS-119
24-Pin DDIP
Version
ADS-119MC
ADS-119MM
ADS-926MC
ADS-119/883
24-Pin
Surface Mount
Versions
ADS-119GC
ADS-119GM
®
MECHANICAL DIMENSIONS INCHES (mm)
1.31 MAX.
(33.27)
24
1
13
0.80 MAX.
(20.32)
12
Dimension Tolerances (unless otherwise indicated):
2 place decimal (.XX) ±0.010 (±0.254)
3 place decimal (.XXX) ±0.005 (±0.127)
Lead Material: Kovar alloy
Lead Finish: 50 microinches (minimum) gold plating
over 100 microinches (nominal) nickel plating
0.235 MAX.
(5.969)
0.100 TYP.
(2.540)
1.100
(27.940)
PIN 1 INDEX
0.200 MAX.
(5.080)
0.190 MAX.
(4.826)
0.018 ±0.002
(0.457)
0.100
(2.540)
0.040
(1.016)
SEATING
PLANE
0.025
(0.635)
+0.002
0.010 –0.001
(0.254)
0.600 ±0.010
(15.240)
0.100
(2.540)
1.31 MAX.
(33.02)
24
13 Dimension Tolerances (unless otherwise indicated):
2 place decimal (.XX) ±0.010 (±0.254)
3 place decimal (.XXX) ±0.005 (±0.127)
0.80 MAX.
(20.32)
Lead Material: Kovar alloy
Lead Finish: 50 microinches (minimum) gold plating
over 100 microinches (nominal) nickel plating
1 12
®
0.210 MAX.
(5.334)
0.020 TYP.
(0.508)
PIN 1
INDEX
0.060 TYP.
(1.524)
0.130 TYP.
(3.302)
0.015
(0.381)
MAX. radius
for any pin
0.100 TYP.
(2.540)
0.040
(1.016)
0.100
(2.540)
0.020
(0.508)
0.010 TYP.
(0.254)
ORDERING INFORMATION
MODEL NUMBER
ADS-119MC
ADS-119MM
ADS-119/883
ADS-119GC
ADS-119GM
OPERATING TEMP. RANGE
0 to +70°C
–55 to +125°C
–55 to +125°C
0 to +70°C
–55 to +125°C
ACCESSORIES
ADS-B119
HS-24
Evaluation Board (without ADS-119)
Heat Sinks for all ADS-119 DDIP models
Receptacles for PC board mounting can be ordered through AMP Inc. Part # 3-331272-8 (Components Lead Socket), 24 required.
For MIL-STD-883 product specification or availability of surface mounts package, contact DATEL.
® ® ISO 9001
REGISTERED
DS-0289B
3/97
DATEL, Inc. 11 Cabot Boulevard, Mansfield, MA 02048-1151
Tel: (508) 339-3000 (800) 233-2765 Fax: (508) 339-6356
Internet: www.datel.com E-mail:[email protected]
Data Sheet Fax Back: (508) 261-2857
DATEL (UK) LTD. Tadley, England Tel: (01256)-880444
DATEL S.A.R.L. Montigny Le Bretonneux, France Tel: 1-34-60-01-01
DATEL GmbH München, Germany Tel: 89-544334-0
DATEL KK Tokyo, Japan Tel: 3-3779-1031, Osaka Tel: 6-354-2025
DATEL makes no representation that the use of its products in the circuits described herein, or the use of other technical information contained herein, will not infringe upon existing or future patent rights. The descriptions contained herein
do not imply the granting of licenses to make, use, or sell equipment constructed in accordance therewith. Specifications are subject to change without notice. The DATEL logo is a registered DATEL, Inc. trademark.














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