ACD2206 Anadigics, Inc., ACD2206 Datasheet
ACD2206
Manufacturer Part Number
ACD2206
Description
Manufacturer
Anadigics, Inc.
Specifications of ACD2206
Package
SSOP-28
Date_code
09+
FEATURES
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APPLICATIONS
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PRODUCT DESCRIPTION
The ACD2206 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, IF Amplifier, and
dual synthesizer. The specifications meet the
requirements of CATV/TV/Video and Cable Modem
Data applications. The ACD2206 is supplied in a 28
lead SSOP package and requires a single +5 V
Integrated Downconverter
Integrated Dual Synthesizer
256 QAM Compatibility
Single +5 V Power Supply Operation
Low Noise Figure: 8 dB
High Conversion Gain: 31 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
Amplifier
Mixer
Phase Splitter
OSC
V
V
OUT
IF
IF
+ IF
+ IF
OUT-
OUT+
02/2005
Enable
REF
supply voltage. The IC is well suited for applications
where small size, low cost, low auxiliary parts count,
and 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.
REF
Clock
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
28 Pin SSOP
18 Bit RF2
18 Bit RF1
S8 Package
N Counter
N Counter
Data Registar
15 Bit RF2
R Counter
15 Bit RF1
R Counter
22 Bit
with Dual Synthesizer
Data Sheet - Rev 2.1
Detector
Detector
Phase
Phase
RF2
RF1
ACD2206
Charge
Charge
Pump
Pump
RF2
RF1
CP
CP
D
U
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