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HI1179 PDF даташит

Спецификация HI1179 изготовлена ​​​​«Intersil Corporation» и имеет функцию, называемую «Video A/D Converter».

Детали детали

Номер произв HI1179
Описание Video A/D Converter
Производители Intersil Corporation
логотип Intersil Corporation логотип 

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HI1179 Даташит, Описание, Даташиты
HI1179
August 1997
8-Bit, 35 MSPS, Video A/D Converter
Features
Description
• Resolution 8-Bit . . . . . . . . . . . . . . . . . . ±0.5 LSB (DNL)
• ENOB at fIN = 1MHz . . . . . . . . . . . . . . . . . . . . . . 7.6 Bits
• Maximum Sampling Frequency . . . . . . . . . . . 35 MSPS
• Low Power Consumption 80mW (at 35 MSPS Typ)
(Reference Current Excluded)
• Built-In Input Clamp Function (DC Restore)
• No Sample/Hold Required
• Internal Voltage Reference
• Input CMOS Compatible
• Three-State TTL Compatible Output
• Single Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . +5V
• Low Input Capacitance (Typ) . . . . . . . . . . . . . . . . . 8pF
• Reference Impedance (Typ) . . . . . . . . . . . . . . . . . 330
• Direct Replacement for Sony CXD1179
Applications
The HI1179 is an 8-bit CMOS analog-to-digital converter for
video use that features a sync clamp function. The adoption
of a 2-step parallel method realizes low power consumption
and a maximum conversion speed of 35 MSPS, allowing up
to 8x over sampling of NTSC and PAL signals.
The HI1179 is available in the Industrial temperature range
and is supplied in 32 lead Plastic Metric Quad Flatpack
(MQFP) package. For lower sampling rates, refer to the
HI1176 data sheet.
Ordering Information
PART
NUMBER
TEMP. RANGE
(oC)
PACKAGE PKG. NO.
HI1179JCQ
-40 to 85
32 Ld MQFP Q32.7x7-S
HI1179-EV
25 Evaluation Board
• Desktop Video
www.DataSheet4U.com • Multimedia
• Video Digitizing
• Image Scanners
• Low Cost High Speed Data Acquisition Systems
Pinout
HI1179 (MQFP)
TOP VIEW
(LSB) D0
D1
D2
D3
D4
D5
D6
(MSB) D7
32 31 30 29 28 27 26 25
1 24
2 23
3 22
4 21
5 20
6 19
7 18
8 17
9 10 11 12 13 14 15 16
VRB
AVSS
AVSS
VIN
AVDD
AVDD
VRT
VRTS
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143 | Copyright © Intersil Corporation 1999
4-1110
File Number 3666.3









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HI1179 Даташит, Описание, Даташиты
HI1179
Functional Block Diagram
OE 30
DVSS 31
DVSS
28
D0 (LSB) 1
D1 2
D2 3
LOWER
DATA
LATCHES
LOWER
ENCODER
(4-BIT)
D3 4
D4 5
D5 6
D6 7
D7 (MSB) 8
UPPER
DATA
LATCHES
LOWER
ENCODER
(4-BIT)
UPPER
ENCODER
(4-BIT)
DVDD 10
DVDD 11
CLK 12
CLOCK GENERATOR
NC 9
NC 32
Typical Application Schematic
74ACO4
CLOCK IN
REFERENCE SUPPLY
LOWER SAMPLING
COMPARATORS
(4-BIT)
LOWER SAMPLING
COMPARATORS
(4-BIT)
UPPER SAMPLING
COMPARATORS
(4-BIT)
25 VRBS
24 VRB
23 AVSS
22 AVSS
21 VIN
20 AVDD
19 AVDD
18 VRT
17 VRTS
16 AVDD
-
+
29 27 26
CLE CCP VREF
LOGIC
15 CLP
14 TEST
13 TEST
+5V (DIGITAL)
0.1µF
+5V (ANALOG)
VIDEO IN
HA5020
+-
1k
1k
75
10pF
0.01µF
0.1µF
0.01µF
16 15 14 13 12 11 10 9
17 8
18 7
19 6
20 5
21 4
22 3
23 2
24 1
25 26 27 28 29 30 31 32
D7
D6
D5
D4
D3
D2
D1
D0
GND (ANALOG)
GND (DIGITAL)
+5V (DIGITAL)
NON-CLAMP APPLICATION (INTERNAL REFERENCE USED)
4-1111









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HI1179 Даташит, Описание, Даташиты
HI1179
Absolute Maximum Ratings
Supply Voltage, VDD. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7V
Reference Voltage, VRT, VRB . . . . . . . . . . . . . . . . . . . . VDD to VSS
Analog Input Voltage, VIN. . . . . . . . . . . . . . . . . . . . . . . . VDD to VSS
Digital Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . VDD to VSS
Digital Output Voltage, VOH, VOL . . . . . . . . . . . . . . . . . . VDD to VSS
Thermal Information
Thermal Resistance (Typical, Note 1)
θJAoC/W
MQFP Package . . . . . . . . . . . . . . . . . . . . . . . . . . . .
122
Maximum Junction Temperature (Plastic Package) . . . . . . . . 150oC
Maximum
Maximum
Storage Temperature Range,
Lead Temperature (Soldering
TSTG
10s) .
.
.
.
.
.
.
.
.
- 65oC
......
to
..
150oC
300oC
(MQFP - Lead Tips Only)
Recommended Operating Conditions (Note 2)
Supply Voltage
AVDD, AVSS, DVDD, DVSS. . . . . . . . . . . . . . . . +4.75V to +5.25V
|DGND-AGND| . . . . . . . . . . . . . . . . . . . . . . . . . . . .0mV to 100mV
Reference Input Voltage
VRB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0V and Above
VRT . . . . .
Temperature
.........
Range, TA
.
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2.7V and Below
. -40oC to 85oC
Analog Input Voltage, VIN . . . . . . . . .VRB to VRT (1.8VP-P to AVDD)
Clock Pulse Width
tPW1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14ns (Min)
tPW0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14ns (Min)
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation
of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
NOTE:
2. θJA is measured with the component mounted on an evaluation PC board in free air.
Electrical Specifications fC = 35 MSPS, VDD = +5V, VRB = 0.5V, VRT = 2.5V, TA = 25oC (Note 2)
PARAMETER
TEST CONDITIONS
MIN TYP
MAX
UNIT
SYSTEM PERFORMANCE
Maximum Conversion Speed, fC
Minimum Conversion Speed, fC
Integral Non-Linearity, INL
Differential Non-Linearity, DNL
DYNAMIC CHARACTERISTICS
VIN = 0.5V to 2.5V, fIN = 1kHz Ramp
VIN = 0.5V to 2.5V, fIN = 1kHz Ramp
fC = 35 MSPS, VIN = 0.5V to 2.5V
fC = 35 MSPS, VIN = 0.5V to 2.5V
35 40
- MSPS
- - 0.5 MSPS
-1.0 ±0.5 +1.3 LSB
-0.5 ±0.3 +0.5 LSB
ENOB
Differential Gain Error, DG
Differential Phase Error, DP
fIN = 1MHz
fIN = 5MHz
NTSC 40 IRE Mod Ramp, fC = 14.3 MSPS
- 7.6 - Bits
- 7.3 - Bits
- 1.0 -
%
- 0.5 - Degree
Aperture Jitter, tAJ
Offset Voltage
EOT
EOB
Sampling Delay, tSD
ANALOG INPUTS
- 30 -
ps
-60 -40 -20
+55 +75 +95
-2-
mV
mV
ns
Analog Input Bandwidth, BW
-1dB
- 25 - MHz
-3dB
- 60 - MHz
Analog Input Capacitance, CIN
REFERENCE INPUT
VIN = 1.5V + 0.07VRMS
- 8 - pF
Reference Pin Current, IREF
Reference Resistance (VRT to VRB),
RREF
4.5 6.1 8.7
230 330 440
mA
4-1112










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