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HI-574 PDF даташит

Спецификация HI-574 изготовлена ​​​​«Intersil Corporation» и имеет функцию, называемую «Complete/ 12-Bit A/D Converters with Microprocessor Interface».

Детали детали

Номер произв HI-574
Описание Complete/ 12-Bit A/D Converters with Microprocessor Interface
Производители Intersil Corporation
логотип Intersil Corporation логотип 

18 Pages
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HI-574 Даташит, Описание, Даташиты
August 1997
HI-574A, HI-674A,
HI-774
Complete, 12-Bit A/D Converters
with Microprocessor Interface
Features
• Complete 12-Bit A/D Converter with Reference and Clock
• Full 8-Bit, 12-Bit or 16-Bit Microprocessor Bus Interface
• Bus Access Time . . . . . . . . . . . . . . . . . . . . . . . . . . 150ns
• No Missing Codes Over Temperature
• Minimal Setup Time for Control Signals
• Fast Conversion Times
- HI-574A (Max) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25µs
- HI-674A (Max) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15µs
- HI-774 (Max) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9µs
• Digital Error Correction (HI-774)
• Low Noise, via Current-Mode Signal
Transmission Between Chips
• Byte Enable/Short Cycle (AO Input)
- Guaranteed Break-Before-Make Action, Eliminating
Bus Contention During Read Operation. Latched by
Start Convert Input (To Set the Conversion Length)
• Supply Voltage . . . . . . . . . . . . . . . . . . . . . ±12V to ±15V
Applications
• Military and Industrial Data Acquisition Systems
• Electronic Test and Scientific Instrumentation
• Process Control Systems
Description
The HI-X74(A) is a complete 12-bit, Analog-to-Digital
Converter, including a +10V reference clock, three-state out-
puts and a digital interface for microprocessor control. Succes-
sive approximation conversion is performed by two monolithic
dice housed in a 28 lead package. The bipolar analog die fea-
tures the Intersil Dielectric Isolation process, which provides
enhanced AC performance and freedom from latch-up.
Custom design of each IC (bipolar analog and CMOS digital)
has yielded improved performance over existing versions of
this converter. The voltage comparator features high PSRR
plus a high speed current-mode latch, and provides precise
decisions down to 0.1 LSB of input overdrive. More than 2X
reduction in noise has been achieved by using current
instead of voltage for transmission of all signals between the
analog and digital ICs. Also, the clock oscillator is current
controlled for excellent stability over temperature.
The HI-X74(A) offers standard unipolar and bipolar input
ranges, laser trimmed for specified linearity, gain and offset
accuracy. The low noise buried zener reference circuit is
trimmed for minimum temperature coefficient.
Power requirements are +5V and ±12V to ±15V, with typical
dissipation of 385mW (HI-574A/674A) and 390mW (HI-774) at
12V. All models are available in sidebrazed DIP, PDIP, and
CLCC. For additional HI-Rel screening including 160 hour burn-
in, specify “-8” suffix. For MIL-STD-883 compliant parts, request
HI-574A/883, HI-674A/883, and HI-774/883 data sheets.
Pinouts
(PDIP, SBDIP)
TOP VIEW
(CLCC)
TOP VIEW
+5V SUPPLY, VLOGIC 1
DATA MODE SEL, 12/8 2
CHIP SEL, CS
BYTE ADDR/SHORT
CYCLE, AO
READ/CONVERT, R/C
3
4
5
CHIP ENABLE, CE 6
+12V/+15V SUPPLY, VCC 7
+10V REF, REF OUT 8
ANALOG
COMMON, AC
9
REFERENCE INPUT 10
-12V/-15V SUPPLY, VEE 11
BIPOLAR OFFSET
BIP OFF
12
10V INPUT 13
20V INPUT 14
28 STATUS, STS
27 DB11 MSB
26 DB10
25 DB9
24 DB8
23 DB7
22 DB6
21 DB5
DIGITAL
DATA
OUTPUTS
20 DB4
19 DB3
18 DB2
17 DB1
16 DB0 LSB
15
DIG COMMON,
DC
6 5 4 3 2 1 44 43 42 41 40
NC 7
39 NC
NC 8
38 NC
READ CONVERT, R/C 9
37 DB9
CHIP ENABLE, CE 10
36 DB8
+15V SUPPLY, VCC 11
+10V REFERENCE,
REF OUT
12
ANALOG COMMON, AC 13
REFERENCE INPUT,
REF IN
14
-15V SUPPLY, VEE 15
NC 16
BIPOLAR OFFSET, 17
BIP OFF
18 19 20 21 22 23 24 25 26 27 28
35 DB7
34 DB6
33 DB5
32 DB4
31 DB3
30 NC
29 DB2
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143 | Copyright © Intersil Corporation 1999
6-952
File Number 3096.4









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HI-574 Даташит, Описание, Даташиты
Ordering Information
PART NUMBER
HI3-574AJN-5
HI3-574AKN-5
HI3-574ALN-5
HI1-574AJD-5
HI1-574AKD-5
HI1-574ALD-5
HI1-574ASD-2
HI1-574ATD-2
HI1-574AUD-2
HI1-574ASD/883
HI1-574ATD/883
HI1-574AUD/883
HI4-574ASE/883
HI4-574ATE/883
HI4-574AUE/883
HI3-674AJN-5
HI3-674AKN-5
HI3-674ALN-5
HI1-674AJD-5
HI1-674AKD-5
HI1-674ALD-5
HI1-674ASD-2
HI1-674ATD-2
HI1-674AUD-2
HI1-674ASD/883
HI1-674ATD/883
HI1-674AUD/883
HI4-674ASE/883
HI4-674ATE/883
HI4-674AUE/883
HI3-774J-5
HI3-774K-5
HI1-774J-5
HI1-774K-5
HI1-774U-2
HI1-774T/883
HI4-774S/883
HI4-774T/883
HI4-774U/883
HI-574A, HI-674A, HI-774
INL
±1.0 LSB
±0.5 LSB
±0.5 LSB
±1.0 LSB
±0.5 LSB
±0.5 LSB
±1.0 LSB
±0.5 LSB
±0.5 LSB
±1.0 LSB
±0.5 LSB
±0.5 LSB
±1.0 LSB
±0.5 LSB
±0.5 LSB
±1.0 LSB
±0.5 LSB
±0.5 LSB
±1.0 LSB
±0.5 LSB
±0.5 LSB
±1.0 LSB
±0.5 LSB
±0.5 LSB
±1.0 LSB
±0.5 LSB
±0.5 LSB
±1.0 LSB
±0.5 LSB
±0.5 LSB
±1.0 LSB
±0.5 LSB
±1.0 LSB
±0.5 LSB
±0.5 LSB
±0.5 LSB
±1.0 LSB
±0.5 LSB
±0.5 LSB
TEMPERATURE RANGE
(oC)
0 to 75
0 to 75
0 to 70
0 to 75
0 to 75
0 to 75
-55 to 125
-55 to 125
-55 to 125
-55 to 125
-55 to 125
-55 to 125
-55 to 125
-55 to 125
-55 to 125
0 to 75
0 to 75
0 to 75
0 to 75
0 to 75
0 to 75
-55 to 125
-55 to 125
-55 to 125
-55 to 125
-55 to 125
-55 to 125
-55 to 125
-55 to 125
-55 to 125
0 to 75
0 to 75
0 to 75
0 to 75
-55 to 125
-55 to 125
-55 to 125
-55 to 125
-55 to 125
PACKAGE
28 Ld PDIP
28 Ld PDIP
28 Ld PDIP
28 Ld SBDIP
28 Ld SBDIP
28 Ld SBDIP
28 Ld SBDIP
28 Ld SBDIP
28 Ld SBDIP
28 Ld SBDIP
28 Ld SBDIP
28 Ld SBDIP
44 Ld CLCC
44 Ld CLCC
44 Ld CLCC
28 Ld PDIP
28 Ld PDIP
28 Ld PDIP
28 Ld SBDIP
28 Ld SBDIP
28 Ld SBDIP
28 Ld SBDIP
28 Ld SBDIP
28 Ld SBDIP
28 Ld SBDIP
28 Ld SBDIP
28 Ld SBDIP
44 Ld CLCC
44 Ld CLCC
44 Ld CLCC
28 Ld PDIP
28 Ld PDIP
28 Ld SBDIP
28 Ld SBDIP
28 Ld SBDIP
28 Ld SBDIP
44 Ld CLCC
44 Ld CLCC
44 Ld CLCC
PKG. NO.
E28.6
E28.6
E28.6
D28.6
D28.6
D28.6
D28.6
D28.6
D28.6
D28.6
D28.6
D28.6
J44.A
J44.A
J44.A
E28.6
E28.6
E28.6
D28.6
D28.6
D28.6
D28.6
D28.6
D28.6
D28.6
D28.6
D28.6
J44.A
J44.A
J44.A
E28.6
E28.6
D28.6
D28.6
D28.6
D28.6
J44.A
J44.A
J44.A
6-953









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HI-574 Даташит, Описание, Даташиты
Functional Block Diagram
HI-574A, HI-674A, HI-774
MSB
BIT OUTPUTS
LSB
12/8
CS
AO
R/C
CE
VREF IN
VREF OUT
CONTROL
LOGIC
NIBBLE A (NOTE)
NIBBLE B (NOTE)
NIBBLE C (NOTE)
THREE-STATE BUFFERS AND CONTROL
POWER-UP RESET
12 BITS
OSCILLATOR
CLK
DIGITAL CHIP
ANALOG CHIP
+10V
REF
10K
+
-
SAR
STROBE
12 BITS
DAC
5K 10K
5K
5K
COMP
-
2.5K
VLOGIC
DIGITAL
COMMON
STS
VCC
VEE
ANALOG
COMMON
NOTE: “Nibble” is a 4-bit digital word.
BIP 20V 10V
OFF INPUT INPUT
6-954










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