Datasheet

Maxim Integrated │ 127
MAX98090 Ultra-Low Power Stereo Audio Codec
www.maximintegrated.com
Table 53. Dynamic Range Control (DRC) Timing Register
Table 54. Dynamic Range Control (DRC) Gain Configuration Register
Table 55. Dynamic Range Control (DRC) Compressor Register
ADDRESS: 0x33
DESCRIPTION
BIT NAME TYPE POR
7 DRCEN R/W 0
PLAYBACK DRC Enable
0: DRC disabled.
1: DRC enabled.
6
DRCRLS[2:0]
R/W 0
PLAYBACK DRC Release Time Conguration (12dB Relative to Threshold)
5 R/W 0
0x0: 8s
0x1: 4s
0x2: 2s
0x3: 1s
0x4: 0.5s
0x5: 0.25s
0x6: 0.125s
0x7: 0.0625s
4 R/W 0
3 — — — —
2
DRCATK[2:0]
R/W 0
PLAYBACK DRC Attack Time Conguration (12dB Relative to Threshold)
1 R/W 0
0x0: 0.125ms
0x1: 0.25ms
0x2: 1.25ms
0x3: 2.5ms
0x4: 6.25ms
0x5: 12.5ms
0x6: 25ms
0x7: 50ms
0 R/W 0
ADDRESS: 0x36
DESCRIPTION
BIT NAME TYPE POR
7 — — — —
6 — — — —
5 — — — —
4
DRCG[4:0] R/W
0
PLAYBACK DRC Make-Up Gain Conguration
3 0
0x0: +0dB
0x1: +1dB
0x2: +2dB
0x3: +3dB
0x4: +4dB
0x5: +5dB
0x6: +6dB
0x7: +7dB
0x8: +8dB
0x9: +9dB
0xA: +10dB
0xB: +11dB
0xC: +12dB
0xD: reserved
0xE: reserved
0xF: reserved
2 0
1 0
0 0
ADDRESS: 0x34
DESCRIPTION
BIT NAME TYPE POR
7
DRCCMP[2:0] R/W
0
PLAYBACK DRC Compression Ratio Conguration
0x0: 1:1 0x3: 4:1
0x1: 1.5:1 0x4: INF:1
0x2: 2:1 0x5–0x7: Reserved
6 0
5 0
4
DRCTHC[4:0] R/W
0
PLAYBACK DRC Compression Threshold Conguration
3 0
0x00: 0
0x01: -1dB
0x02: -2dB
0x03: -3dB
0x04: -4dB
0x05: -5dB
0x06: -6dB
0x07: -7dB
0x08: -8dB
0x09: -9dB
0x0A: -10dB
0x0B: -11dB
0x0C: -12dB
0x0D: -13dB
0x0E: -14dB
0x0F: -15dB
0x10: -16dB
0x11: -17dB
0x12: -18dB
0x13: -19dB
0x14: -20dB
0x15: -21dB
0x16: -22dB
0x17: -23dB
0x18: -24dB
0x19: -25dB
0x1A: -26dB
0x1B: -27dB
0x1C: -28dB
0x1D: -29dB
0x1E: -30dB
0x1F: -31dB
2 0
1 0
0 0