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CS4461

Features: ·Advanced Multi-bit Delta-Sigma Architecture·Real-time Feedback of Power Supply Conditions (AC and DC)·Filterless Digital Output Resulting in Very Low Signal Delay·135 mW Power Consumption·Supports Logic Levels Between 3.3 V and 5.0 V·Differential Analog Architecture·Modulator Overflow D...

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SeekIC No. : 004316440 Detail

CS4461: Features: ·Advanced Multi-bit Delta-Sigma Architecture·Real-time Feedback of Power Supply Conditions (AC and DC)·Filterless Digital Output Resulting in Very Low Signal Delay·135 mW Power Consumption...

CS4461 Data Sheet

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Part Number:
CS4461
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

·Advanced Multi-bit Delta-Sigma Architecture
·Real-time Feedback of Power Supply Conditions (AC and DC)
·Filterless Digital Output Resulting in Very Low Signal Delay
·135 mW Power Consumption
·Supports Logic Levels Between 3.3 V and 5.0 V
·Differential Analog Architecture
·Modulator Overflow Detection
·Interfaces Directly to the CS44800/CS44600 Class-D PWM Modulator
·Multi-bit Conversion at up to 7.5 MHz
·Delivers Modulated Data Over 2-Wire Interface




Specifications

Parameter Symbol Min Max Units
DC Power Supplies: Analog
Digital		 VA
VDP		 -0.3
-0.3		 +6.0
+6.0		 V
V
Input Current (Note 2) Iin - ±10 mA
Analog Input Voltage (Note 3) VIN GND - 0.7 VA + 0.7 V
Digital Input Voltage (Note 3) VIND -0.7 VDP + 0.7 V
Ambient Operating Temperature (Power Applied) TA -50 +95 °C
Storage Temperature Tstg -65 +150 °C





Description

The CS4461 is a complete analog-to-digital (A/D) converter for Class-D PSR (power-supply rejection) feedback. It performs sampling and A/D conversion, generating digital data for input to a Class-D modulator.

The CS4461's advanced Delta-Sigma architecture allows differential analog inputs that provide excellent noise rejection and multibit conversion at up to 7.5 MHz.

CS4461 A/D converter provides real-time feedback of power-supply conditions to a Class-D modulator via a direct interface, resulting in very low signal delay. Improved PSR feedback allows the systems designer to use lower cost power supplies, resulting in a lower bill-of-materials (BOM) cost. Systems developers can further lower BOM costs by developing single-ended (half-bridge) solutions as opposed to differential (full-bridge) solutions.

The CS4461 A/D converter and the CS44600/800 Class-D digital amplifiers provide a simple, small and cost-effective solution for DVD receivers, home theater recorders and entry-level audio/video receivers and home-theater-in-a-box systems.






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