CS3308-CQZ Cirrus Logic Inc, CS3308-CQZ Datasheet - Page 39

• Manufacturer Part Number: CS3308-CQZ
• Description: IC ANLG VOL CTRL 8CH DGTL 48LQFP
• Manufacturer: Cirrus Logic Inc
• Type: Controllerr

Specifications of CS3308-CQZ

• Package / Case: 48-LQFP
• Applications: High End Audio
• Mounting Type: Surface Mount
• Product: General Purpose Audio Amplifiers
• Output Power: 362 mW
• Available Set Gain: 22 dB
• Thd Plus Noise: - 112 dB
• Operating Supply Voltage: 3.5 V / 5.25 V
• Supply Current: 36 mA
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Audio Load Resistance: 2 KOhms
• Input Offset Voltage: 0.75 V
• Input Signal Type: Single
• Minimum Operating Temperature: - 10 C
• Output Signal Type: Analog
• Supply Voltage (max): 5.25 V
• Supply Voltage (min): 3.1 V
• Output Type: 8-Channel Audio
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 598-1778 - EVALUATION BOARD FOR CS5376598-1496 - BOARD EVAL FOR CS3308 VOL CTRL
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 598-1598

DS702F1
7.17
7.17.1 Master 3 Mute (Bit 1)
7.17.2 Master 3 ¼ dB Control (Bit 0)
Reserved
7
Master 3 Control - Address 18h
Default = 0
Function:
Default = 0
Function:
as dictated by the ZCMode[1:0] and TimeOut[2:0] bits in the Device Config 2 register (see
Configuration 2 - Address 0Ch” on page
The value of the Master 3 volume control register is mapped to the desired 0.5 dB step Master 3 vol-
ume setting by the following equation:
In the equation above, “Desired Volume Setting in dB” is determined by rounding the desired ¼ dB
resolution volume setting down to ½ dB resolution.
It should be noted that input values outside the CS3308’s analog range of +22 dB to -96 dB are valid,
however, the volume of each channel will be limited to the CS3308’s analog range (see
its” on page
See
This bit controls the Master 3 mute state. When set, the Master 3 mute condition is active. When
cleared, the Master 3 mute condition is released.
See
When set, ¼ dB of gain will be added to the Master 3 volume level.
See
Reserved
Table 5 on page 31
“Muting Controls” on page 21
Table 6 on page 32
6
20).
Reserved
Register Value
5
for example register settings.
for an example of volume settings using the ¼ dB control.
Reserved
=
for more information about the muting behavior of the CS3308.
4
(
2
×
34).
Desired Volume Setting in dB
Reserved
3
Reserved
2
)
+
M3_Mute
210
1
“Volume Lim-
CS3308
M3_Qtr
“Device
0
39