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PDF CDK3404 Data sheet ( Hoja de datos )
| Número de pieza | CDK3404 | |
| Descripción | Triple Video DACs | |
| Fabricantes | Cadeka | |
| Logotipo |  |
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Data Sheet
Amplify the Human Experience
CDK3404
8-bit, 180MSPS, Triple Video DACs
www.datasheet4u.com
FEATURES
n 8-bit resolution, 180MSPS
n ±2.5% gain matching
n ±0.5% linearity error
n Sync and blank controls
n 1.0Vpp video into 37.5Ω or 75Ω load
n Internal bandgap voltage reference
n Low glitch energy
n Single +3.3V power supply
General Description
CDK3404 is a low-cost triple D/A converters that are tailored to fit graphics
and video applications where speed is critical.
CMOS-level inputs are converted to analog current outputs that can drive
25-37.5Ω loads corresponding to doubly-terminated 50-75Ω loads. A sync
current following SYNC input timing is added to the IOG output. BLANK
will override RGB inputs, setting IOG, IOB and IOR currents to zero when
BLANK = L. Although appropriate for many applications, the internal 1.25V
reference voltage can be overridden by the VREF input.
APPLICATIONS
n Video signal conversion
– RGB
– YCBCR
– Composite, Y, C
n Multimedia systems
n Image processing
n PC Graphics
Few external components are required, just the current reference resistor,
current output load resistors, bypass capacitors, and decoupling capacitors.
Package is a 48-lead TQFP. Fabrication technology is CMOS. Performance is
guaranteed from -40°C to +125°C.
Block Diagram
SYNC
BLANK
SYNC
G7-0 8
8-bit D/A
Converter
IOG
B7-0 8
8-bit D/A
Converter
IOB
R7-0 8
CLOCK
8-bit D/A
Converter
+1.25V
Ref
IOR
COMP
R REF
V REF
Ordering Information
Part Number
CDK3404CTQ48
Package
TQFP-48
Pb-Free
Yes
CDK3404CTQ48Y TQFP-48 Yes
Moisture sensitivity level for all parts is MSL-3.
RoHS Compliant
Yes
Yes
Operating Temp Range
-40°C to +125°C
-40°C to +125°C
Packaging Method
Tray
Tray
Package Quantity
250
1,250
©2009 CADEKA Microcircuits LLC
www.cadeka.com
1 page  
Data Sheet
DC Performance
(TA = 25°C, VDDA = VDDD =3.3V, VREF = 1.25V, RL = 37.5Ω, unless otherwise noted)
Symbol Parameter
Conditions
Resolution
wwwIN.dLatasheet4u.Icnotmegral Linearity Error
DNL Differential Linearity Error
Offset Error
Gain Matching Error
Absolute Gain Error
PSRR
Full-Scale Output Current
Power Supply Rejection Ratio
TA = 25°C (1)
TA = -40°C to +125°C (2)
TA = 25°C (1)
TA = -40°C to +125°C (2)
TA = -40°C to +125°C (2)
TA = -40°C to +125°C (1)
TA = -40°C to +125°C (1)
TA = 25°C (1)
TA = -40°C to +125°C (2)
TA = -40°C to +125°C , With internal
reference. Trim RSET to calibrate full-scale
current.
TA = -40°C to +125°C (2)
Notes:
1. 100% production tested at +25°C.
2. Parameter is guaranteed (but not tested) by design and characterization data.
Min
8
-0.5
-0.5
-0.5
-0.5
-2.5
-3.5
18.0
18.0
-0.01
Typ
18.7
18.7
18.7
0
Max
0.5
0.5
0.5
0.5
0.01
2.5
3.5
19.4
19.4
Units
bits
LSB
LSB
LSB
LSB
%FS
%FS
%FS
mA
mA
mA
0.01 %/%
AC Performance
(TA = 25°C, VDDA = VDDD =3.3V, VREF = 1.25V, RL = 37.5Ω, unless otherwise noted)
Symbol Parameter
Analog Outputs
Glitch Energy
DAC-to-DAC Crosstalk
Data Feedthrough
Clock Feedthrough
Conditions
Notes:
1. 100% production tested at +25°C.
2. Parameter is guaranteed (but not tested) by design and characterization data.
Min
Typ
20
30
50
60
Max Units
pVsec
dB
dB
dB
©2009 CADEKA Microcircuits LLC
www.cadeka.com 5
5 Page 
Data Sheet
Mechanical Dimensions
LQFP-48 Package
www.datasheet4u.com
For additional information regarding our products, please visit CADEKA at: cadeka.com
CADEKA Headquarters Loveland, Colorado
T: 970.663.5452
T: 877.663.5452 (toll free)
CADEKA, the CADEKA logo design, COMLINEAR and the COMLINEAR logo design are trademarks or registered trademarks of CADEKA
Microcircuits LLC. All other brand and product names may be trademarks of their respective companies.
CADEKA reserves the right to make changes to any products and services herein at any time without notice. CADEKA does not assume any
responsibility or liability arising out of the application or use of any product or service described herein, except as expressly agreed to in
writing by CADEKA; nor does the purchase, lease, or use of a product or service from CADEKA convey a license under any patent rights,
copyrights, trademark rights, or any other of the intellectual property rights of CADEKA or of third parties.
Copyright ©2009 by CADEKA Microcircuits LLC. All rights reserved.
Amplify the Human Experience
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet CDK3404.PDF ] | |
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