ACD2202 Anadigics, Inc., ACD2202 Datasheet
ACD2202
Manufacturer Part Number
ACD2202
Description
SSOP28
Manufacturer
Anadigics, Inc.
Specifications of ACD2202
Date_code
04+
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FEATURES
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APPLICATIONS
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PRODUCT DESCRIPTION
The ACD2202 uses both GaAs and Si technology
to provide the downconverter and dual synthesizer
functions in a double conversion tuner gain block,
local oscillator, balanced mixer and dual synthesizer.
The specifications meet the requirements of
CATV/TV/Video and Cable Modem Data applications.
Integrated Downconverter
Integrated Dual Synthesizer
256 QAM Compatibility
Single +5 V Power Supply Operation
Low Power Consumption: <0.6 W
Low Noise Figure: 8 dB
High Conversion Gain: 10 dB
Low Distortion: -53 dBc
Three-Wire Interface
Small Size
-40 °C to +85 °C
RoHS-Compliant Package Option
Set Top Boxes
CATV Video Tuners
Digital TV Tuners
CATV Data Tuners
Cable Modems
T
RF
RF
CKT
Figure 1: Downconverter Block Diagram
IN
IN
+
-
Low Noise
VGA
Mixer
Phase Splitter
OSC
V
V
IF
IF
+ IF
+ IF
OUT
OUT+
OUT-
02/2005
Enable
REF
REF
Clock
The ACD2202 is supplied in a 28 lead SSOP
package and requires a single +5 V supply voltage.
The IC is well suited for applications where small
size, low cost, low auxiliary parts count and a no-
compromise performance is important. It provides
for cost reduction by lowering the component and
packaged IC count and decreasing the amount of
labor-intensive production alignment steps, while
significantly improving performance and reliability.
Data
RF
RF
OUT
IN
D
U
Figure 2: Dual Synthesizer Block Diagram
Oscillator
RF2: 64/65
Prescaler
RF1: 64/65
Prescaler
CATV/TV/Video Downconverter
18 Bit RF2
N Counter
18 Bit RF1
N Counter
28 Pin SSOP
Data Registar
S8 Package
15 Bit RF2
15 Bit RF1
R Counter
R Counter
22 Bit
with Dual Synthesizer
Data Sheet - Rev 2.2
Detector
Detector
Phase
Phase
RF2
RF1
ACD2202
Charge
Charge
Pump
Pump
RF2
RF1
CP
CP
D
U
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