CSR8615A04-IQQF-R View Datasheet(PDF) - Unspecified
Part Name
Description
MFG CO.
'CSR8615A04-IQQF-R' PDF : 114 Pages View PDF
The overall gain control of the DAC is controlled by the firmware. Its setting is a combined function of the digital and
analogue amplifier settings.
Digital Gain Selection
Value
DAC Digital Gain Setting
(dB)
Digital Gain Selection
Value
DAC Digital Gain Setting
(dB)
0
0
8
-24
1
3.5
9
-20.5
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Table 9.4: DAC Analogue Gain Rate Selection
9.2.12 DAC Digital FIR Filter
The DAC contains an integrated digital FIR filter with the following modes:
■A default long FIR filter for best performance at ≥ 44.1kHz.
â– A short FIR to reduce latency.
â– A narrow FIR (a very sharp roll-off at Nyquist) for G.722 compliance. Best for 8kHz / 16kHz.
Pre-production Information
© Cambridge Silicon Radio Limited 2013
Confidential Information - This Material is Subject to CSR's Non-disclosure Agreement
Page 42 of 114
CS-303726-DSP3
www.csr.com
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