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參數(shù)資料
| 型號(hào)： | HI3-674AKN-5 |
| 廠商： | Intersil |
| 文件頁(yè)數(shù)： | 1/18頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 12BIT 67KSPS 28-SBDIP |
| 標(biāo)準(zhǔn)包裝： | 13 |
| 位數(shù)： | 12 |
| 采樣率（每秒）： | 67k |
| 數(shù)據(jù)接口： | 并聯(lián) |
| 轉(zhuǎn)換器數(shù)目： | 1 |
| 功率耗散（最大）： | 720mW |
| 電壓電源： | 雙 ± |
| 工作溫度： | 0°C ~ 75°C |
| 安裝類(lèi)型： | 通孔 |
| 封裝/外殼： | 28-DIP（0.600"，15.24mm） |
| 供應(yīng)商設(shè)備封裝： | 28-PDIP |
| 包裝： | 管件 |
| 輸入數(shù)目和類(lèi)型： | 2 個(gè)單端，單極；2 個(gè)單端，雙極 |
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1
FN3096.6
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 | Copyright Intersil Americas Inc. 2001, 2008, 2012. All Rights Reserved
Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.
All other trademarks mentioned are the property of their respective owners.
HI-574A, HI-674A
Microprocessor Interface
The HI-X74(A) is a complete 12-bit, Analog-to-Digital
Converter, including a +10V reference clock, three-state
outputs and a digital interface for microprocessor control.
Successive approximation conversion is performed by two
monolithic dice housed in a 28 lead package. The bipolar
analog die features 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, HI-674A) at 12V.
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) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25s
- HI-674A (Max) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15s
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
Pb-Free Available (RoHS Compliant)
Applications
Military and Industrial Data Acquisition Systems
Electronic Test and Scientific Instrumentation
Process Control Systems
Pinout
HI-574A, HI-674A
(28 LD PDIP, SBDIP)
TOP VIEW
STATUS, STS
DB11
DB10
DB9
DB8
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
DIG COMMON,
DIGITAL
DATA
OUTPUTS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
CHIP ENABLE, CE
+10V REF, REF OUT
REFERENCE INPUT
20V INPUT
ANALOG
COMMON, AC
+12V/+15V SUPPLY, VCC
BYTE ADDR/SHORT
CYCLE, AO
10V INPUT
+5V SUPPLY, VLOGIC
CHIP SEL, CS
DATA MODE SEL, 12/8
READ/CONVERT, R/C
BIPOLAR OFFSET
BIP OFF
-12V/-15V SUPPLY, VEE
MSB
LSB
DC
August 7, 2008
NOT
NDED
FOR
NEW
DESI
GNS
TE P
RODU
CT
IES
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