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PDF HI5675 Data sheet ( Hoja de datos )
| Número de pieza | HI5675 | |
| Descripción | Flash A/D Converter | |
| Fabricantes | Intersil Corporation | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de HI5675 (archivo pdf) en la parte inferior de esta página. Total 10 Páginas | ||
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March 2003
HI5675
FN4711.1
8-Bit, 20MSPS, Flash A/D Converter
The HI5675 is an 8-bit, analog-to-digital converter built in an
advanced CMOS process. The low power, low differential
gain and phase, high sampling rate, and single 5V supply
make the HI5675 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 20MSPS with only a 2.5 clock cycle data latency.
The HI5675 also features digital output enable/disable and a
built in voltage reference. The HI5675 can be configured to
use the internal reference or an external reference if higher
precision is required.
Part Number Information
TEMP.
PART NUMBER RANGE (oC)
PACKAGE
HI5675JCB
-40 to 85 24 Ld SOIC
PKG. NO.
M24.2-S
Pinout
www.DataSheet4U.com
HI5675 (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
Features
• Resolution . . . . . . . . . . . . . . . . . . . . 8-Bit ±0.3 LSB (DNL)
• Maximum Sampling Frequency . . . . . . . . . . . . . . 20MSPS
• Low Power Consumption . . . . . . . . . . . . . . . . . . . . .60mW
(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)
• Low Cost
• Direct Replacement for TLC5510 and ADC1175
Applications
• Video Digitizing
• PC Video Capture
• Image Scanners
• TV Set Top Boxes
• Multimedia
• Personal Communication Systems (PCS)
1 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143 | Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright © Intersil Americas Inc. 2003. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
1 page  
HI5675
Electrical Specifications fC = 20MSPS, AVDD = DVDD = 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 = 20MSPS, 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.
5
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| PDF Descargar | [ Datasheet HI5675.PDF ] | |
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