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PDF HI1175 Data sheet ( Hoja de datos )
| Número de pieza | HI1175 | |
| Descripción | Flash A/D Converter | |
| Fabricantes | Intersil Corporation | |
| Logotipo |  |
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HI1175
August 1997
8-Bit, 20 MSPS, Flash A/D Converter
Features
Description
• Resolution . . . . . . . . . . . . . . . . . . 8-Bit ±0.3 LSB (DNL)
• Maximum Sampling Frequency . . . . . . . . . . . 20 MSPS
• Low Power Consumption . . . .60mW (at 20 MSPS Typ)
(Reference Current Excluded)
• Built-In Sample and Hold Circuit
• Built-In Reference Voltage Self Bias Circuit
• Three-State TTL Compatible Output
• Single +5V Power Supply
• Low Input Capacitance . . . . . . . . . . . . . . . . . 11pF (Typ)
• Reference Impedance . . . . . . . . . . . . . . . . . . 300Ω (Typ)
• Evaluation Board Available (HI1175-EV)
• Low Cost
• Direct Replacement for the Sony CXD1175
The HI1175 is an 8-bit, analog-to-digital converter built in a
1.4µm CMOS process. The low power, low differential gain
and phase, high sampling rate, and single 5V supply make
the HI1175 ideal for video and imaging applications.
The adoption of a 2-step flash architecture achieves low
power consumption (60mW) at a maximum conversion
speed of 20 MSPS (Min), 35 MSPS typical with only a 2.5
clock cycle data latency. The HI1175 also features digital
output enable/disable and a built in voltage reference. The
HI1175 can be configured to use the internal reference or an
external reference if higher precision is required.
Ordering Information
TEMP.
PART NUMBER RANGE (oC)
PACKAGE
HI1175JCP
-40 to 85 24 Ld PDIP
PKG.
NO.
E24.4-S
Applications
• Video Digitizing
www.DataSheet4U.com
• Image Scanners
• Multimedia
• PC Video Capture
• TV Set Top Boxes
• Personal Communication
Systems (PCS)
HI1175JCB
HI1175-EV
-40 to 85
25
24 Ld SOIC
M24.2-S
Evaluation Board
Pinout
HI1175 (PDIP, SOIC)
TOP VIEW
OE 1
DVSS
D0 (LSB)
D1
2
3
4
D2 5
D3 6
D4 7
D5 8
D6 9
D7 (MSB) 10
DVDD 11
CLK 12
24 DVSS
23 VRB
22 VRBS
21 AVSS
20 AVSS
19 VIN
18 AVDD
17 VRT
16 VRTS
15 AVDD
14 AVDD
13 DVDD
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
http://www.intersil.com or 407-727-9207 | Copyright © Intersil Corporation 1999
4-1069
File Number 3577.6
1 page  
HI1175
Electrical Specifications fC = 20 MSPS, VDD = +5V, VRB = 0.5V, VRT = 2.5V, TA = 25oC (Note 1) (Continued)
PARAMETER
TEST CONDITIONS
MIN TYP MAX
REFERENCE INPUT
Reference Pin Current, IREF
Reference Resistance (VRT to VRB),
RREF
INTERNAL VOLTAGE REFERENCE
4.5 6.6 8.7
230 300 450
Self Bias Mode 1
VRB
VRT - VRB
Self Bias Mode 2, VRT
DIGITAL INPUTS
Short VRB and VRBS, Short VRT and VRTS
VRB = AGND, Short VRT and VRTS
0.60 0.64 0.68
1.96 2.09 2.21
2.25 2.39 2.53
Digital Input Voltage
VIH
VIL
Digital Input Current
IIH
IIL
DIGITAL OUTPUTS
VDD = Max
VIH = VDD
VIL = 0V
4.0 -
-
- - 1.0
- -5
- -5
Digital Output Current
IOH
IOL
Digital Output Current
IOZH
IOZL
TIMING CHARACTERISTICS
OE = VSS, VDD = Min
OE = VDD, VDD = Max
VOH = VDD -0.5V
VOL = 0.4V
-1.1
3.7
-
-
VOH = VDD
VOL = 0V
- 0.01
- 0.01
-
-
16
16
Output Data Delay, tDL
POWER SUPPLY CHARACTERISTIC
- 18 30
Supply Current, IDD
fC = 20 MSPS, NTSC Ramp Wave Input
NOTE:
2. Electrical specifications guaranteed only under the stated operating conditions.
- 12 17
Timing Diagrams
UNIT
mA
Ω
V
V
V
V
V
µA
µA
mA
mA
µA
µA
ns
mA
tPW1 tPW0
CLOCK
ANALOG INPUT
DATA OUTPUT
N
N-3
N+1
N-2
N-2
N-1
N+3
N
N+4
N+1
: POINT FOR ANALOG SIGNAL SAMPLING
tD = 18ns
FIGURE 1.
4-1073
5 Page 
HI1175
Test Circuits (Continued)
2.6V
fC -1kHz
SG
0.6V
1
AMP
2
VIN DUT
HI1175
NTSC
SIGNAL
40 IRE
SOURCE 100 MODULATION
2.6V
IRE
0
-40
BURST
SYNC
0.6V
SG
(CW)
fC
8 TTL
ECL
TTL
ECL
HI20201
1
8 10-BIT
D/A 2
CLK
620
-5.2V
620
-5.2V
ERROR RATE
HPF
COUNTER
VECTOR
SCOPE
DG
DP
FIGURE 22. MAXIMUM OPERATIONAL SPEED AND DIFFERENTIAL GAIN AND PHASE ERROR TEST CIRCUIT
2.6V
0.6V
VDD
VRT
VIN
VRB
HI1175
CLK
OE
GND
IOL
VOL
+
-
2.6V
0.6V
VDD
VRT
VIN
VRB
HI1175
CLK
OE
GND
IOH
VOH
+
-
ICL8069
REFERENCE
FIGURE 23. DIGITAL OUTPUT CURRENT TEST CIRCUIT
AMP
A/D
DSP/µP
D/A AMP
HA5020 (Single)
HA5022(Dual)
HA5024 (Quad)
HA5013 (Triple)
HI1175 (8-Bit)
HSP9501
HSP48901
HSP43881
HSP43168
HI3338 (8-Bit)
HI1171 (8-Bit)
HSP9501: Programmable Data Buffer
HSP48901: 3 x 3 Image Filter, 30MHz, 8-Bit
HSP43881: Digital Filter, 30MHz, 1-D and 2-D FIR Filters
HSP43168: Dual FIR Filter, 10-Bit, 33MHz/45MHz
CMOS Logic Available in HC, HCT, AC, ACT and FCT.
HA5013: Triple, 125MHz, IOUT = 20mA
HA5020: Single, 100MHz, IOUT = 30mA, Output Enable/Disable
HA5022: Dual, 125MHz, IOUT = 20mA, Output Enable/Disable
HA5024: Quad, 125MHz, IOUT = 20mA, Output Enable/Disable
FIGURE 24. 8-BIT SYSTEM COMPONENTS
HA5020 (Single)
4-1079
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet HI1175.PDF ] | |
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