CS5381
120 dB, 192 kHz, Multi-Bit Audio A/D Converter
Features
• Advanced Multi-bit Delta-Sigma Architecture
• 24-bit Conversion
• 120 dB Dynamic Range
• -110 dB THD+N
• Supports All Audio Sample Rates Including 192 kHz
• 260 mW Power Consumption
• High-Pass Filter or DC Offset Calibration
• Supports Logic Levels between 5 and 2.5 V
• Differential Analog Architecture
• Low-Latency Digital Filtering
• Overflow Detection
• Pin-Compatible with the CS5361
General Description
The CS5381 is a complete analog-to-digital converter for digital audio systems. It performs sampling, analogto-digital conversion, and anti-alias filtering - generating 24-bit values for both left and right inputs in serial form at sample rates up to 216 kHz per channel.
The CS5381 uses a 5th-order, multi-bit delta-sigma modulator followed by digital filtering and decimation, which removes the need for an external anti-alias filter. The ADC uses a differential architecture which provides excellent noise rejection.
The CS5381 is available in 24-pin TSSOP and SOIC packages for Commercial grade (-10° to +70° C). The CDB5381 Customer Demonstration board is also available for device evaluation and implementation suggestions.
The CS5381 is ideal for audio systems requiring wide dynamic range, negligible distortion, and low noise - such as A/V receivers, DVD-R, CD-R, digital mixing consoles, and effects processors.
ABSOLUTE MAXIMUM RATINGS
(GND = 0 V, All voltages with respect to ground.) (Note 1)
| Parameter | Symbol | Min | Max | Units |
| DC Power Supplies: Analog Logic Digital | VA VL VD | -0.3 -0.3 -0.3 | +6.0 +6.0 +6.0 | V V V |
| Input Current (Note 2) | Iin | -10 | +10 | mA |
| Analog Input Voltage (Note 3) | VIN | GND-0.7 | VA+0.7 | V |
| Digital Input Voltage (Note 3) | VIND | -0.7 | VL+0.7 | V |
| Ambient Operating Temperature (Power Applied) | TA | -50 | +95 | °C |
| Storage Temperature | Tstg | -65 | +150 | °C |
Notes:
1. Operation beyond these limits may result in permanent damage to the device. Normal operation is not guaranteed at these extremes.
2. Any pin except supplies. Transient currents of up to ±100 mA on the analog input pins will not cause SRC latch-up.
3. The maximum over/under voltage is limited by the input current.
Stock Offer (Hot Sell)
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