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HI-574 PDF 데이터시트 : 부품 기능 및 핀배열

부품번호 HI-574
기능 Complete/ 12-Bit A/D Converters with Microprocessor Interface
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HI-574 데이터시트, 핀배열, 회로
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




HI-574 pdf, 반도체, 판매, 대치품
HI-574A, HI-674A, HI-774
Absolute Maximum Ratings
Supply Voltage
VCC to Digital Common . . . . . . . . . . . . . . . . . . . . . . 0V to +16.5V
VEE to Digital Common. . . . . . . . . . . . . . . . . . . . . . . 0V to -16.5V
VLOGIC to Digital Common . . . . . . . . . . . . . . . . . . . . . . 0V to +7V
Analog Common to Digital Common±1V
Control Inputs
(CE, CS, AO, 12/8, R/C) to Digital Common . . -0.5V to VLOGIC +0.5V
Analog Inputs
(REFIN, BIPOFF, 10VIN) to Analog Common. . . . . . . . . . ±16.5V
20VIN to Analog Common . . . . . . . . . . . . . . . . . . . . . . . . . . ±24V
REFOUT . . . . Indefinite Short To Common, Momentary Short To VCC
Operating Conditions
Temperature Range
HI3-574AxN-5, HI1-574AxD-5 . . . . . . . . . . . . . . . . . .0oC to 75oC
HI3-674AxN-5, HI1-674AxD-5 . . . . . . . . . . . . . . . . . .0oC to 75oC
HI3-774xN-5, HI1-774xD-5 . . . . . . . . . . . . . . . . . . . . .0oC to 75oC
HI1-574AxD-2, HI1-674AxD-2, HI1-774xD-2 . . . . -55oC to 125oC
Thermal Information
Thermal Resistance (Typical, Note 1)
θJA (oC/W) θJC (oC/W)
CLCC Package . . . . . . . . . . . . . . . . . .
65
14
SBDIP Package . . . . . . . . . . . . . . . . . .
60
18
HI3-574AxN-5, HI3-674AxN-5, HI3-774xN-5 65
N/A
Maximum Junction Temperature
HI3-574AxN-5, HI3-674AxN-5, HI3-774xN-5. . . . . . . . . . . . 150oC
HI1-574AxD-2, HI1-574AxD-5 . . . . . . . . . . . . . . . . . . . . . . . 175oC
HI1-674AxD-2, HI1-674AxD-5 . . . . . . . . . . . . . . . . . . . . . . . 175oC
HI1-774xD-2, HI1-774xD-5 . . . . . . . . . . . . . . . . . . . . . . . . . 175oC
Maximum Storage Temperature Range
HI3-574AxN-5, HI3-674AxN-5, HI3-774xN-5. . . . . .-40oC to 85oC
HI1-574AxD-2, HI1-574AxD-5 . . . . . . . . . . . . . . . .-65oC to 150oC
HI1-674AxD-2, HI1-674AxD-5 . . . . . . . . . . . . . . . .-65oC to 150oC
HI1-774xD-2, HI1-774xD-5 . . . . . . . . . . . . . . . . . .-65oC to 150oC
Maximum Lead Temperature (Soldering, 10s) . . . . . . . . . . . . 300oC
Die Characteristics
Transistor Count
HI-574A, HI-674A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1117
HI-774 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2117
DC and Transfer Accuracy Specifications Typical at 25oC with VCC = +15V or +12V, VLOGIC = +5V, VEE = -15V or -12V,
Unless Otherwise Specified
PARAMETER
DYNAMIC CHARACTERISTICS
Resolution (Max)
Linearity Error
25oC (Max)
0oC to 75oC (Max)
Max Resolution For Which No Missing Codes Is Guaranteed
25oC
HI-574A, HI-674A
HI-774
TMIN to TMAX
HI-574A, HI-674A
HI-774
Unipolar Offset (Max)
Adjustable to Zero
Bipolar Offset (Max)
VIN = 0V (Adjustable to Zero)
VIN = -10V
Full Scale Calibration Error
25oC (Max), With Fixed 50Resistor From REF OUT To REF IN
(Adjustable to Zero)
TMIN to TMAX (No Adjustment At 25oC)
TMIN to TMAX (With Adjustment To Zero 25oC)
TEMPERATURE RANGE
-5 (0oC to 75oC)
J SUFFIX K SUFFIX L SUFFIX
12
±1
±1
12
11
11
11
±2
±4
±0.15
±0.25
±0.475
±0.22
12
±1/2
±1/2
12
12
12
12
±1.5
±4
±0.1
±0.25
±0.375
±0.12
12
±1/2
±1/2
12
12
12
12
±1
±3
±0.1
±0.15
±0.20
±0.05
UNITS
Bits
LSB
LSB
Bits
Bits
Bits
Bits
LSB
LSB
% of FS
% of FS
% of FS
% of FS
6-955

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HI-574 전자부품, 판매, 대치품
HI-574A, HI-674A, HI-774
DC and Transfer Accuracy Specifications Typical at 25oC with VCC = +15V or +12V, VLOGIC = +5V, VEE = -15V or -12V,
Unless Otherwise Specified (Continued)
PARAMETER
Input Impedance
10V Span
20V Span
POWER SUPPLIES
Operating Voltage Range
VLOGIC
VCC
VEE
Operating Current
ILOGIC
ICC +15V Supply
IEE -15V Supply
Power Dissipation
±15V, +15V
±12V, +5V
Internal Reference Voltage
TMIN to TMAX
Output current, available for external loads (External load should not
change during conversion).
TEMPERATURE RANGE
-2 (-55oC to 125oC)
S SUFFIX T SUFFIX U SUFFIX
5K, ±25%
10K, ±25%
+4.5 to +5.5
+11.4 to +16.5
-11.4 to -16.5
7 Typ, 15 Max
11 Typ, 15 Max
21 Typ, 28 Max
515 Typ, 720 Max
385 Typ
+10.00 ±0.05 Max
2.0 Max
UNITS
V
V
V
mA
mA
mA
mW
mW
V
mA
Digital Specifications All Models, Over Full Temperature Range
PARAMETER
Logic Inputs (CE, CS, R/C, AO, 412/8)
Logic “1”
Logic “0”
Current
Capacitance
Logic Outputs (DB11-DB0, STS)
Logic “0” (ISINK - 1.6mA)
Logic “1” (ISOURCE - 500µA)
Logic “1” (ISOURCE - 10µA)
Leakage (High-Z State, DB11-DB0 Only)
Capacitance
MIN
+2.4V
-0.5V
-
-
-
+2.4V
+4.5V
-
-
TYP
-
-
±0.1µA
5pF
-
-
-
±0.1µA
5pF
Timing Specifications (HI-574A) 25oC, Note 2, Unless Otherwise Specified
SYMBOL
CONVERT MODE
tDSC
STS Delay from CE
PARAMETER
MIN TYP
--
MAX
+5.5V
+0.8V
±5µA
-
+0.4V
-
-
±5µA
-
MAX
UNITS
200 ns
6-958

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