参数资料
型号: MAX98089ETN+T
厂商: Maxim Integrated Products
文件页数: 117/131页
文件大小: 0K
描述: IC CODEC AUDIO FLEXSOUND 56TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 1
系列: FlexSound™
类型: 立体声音频
数据接口: I²C,串行
分辨率(位): 24 b
ADC / DAC 数量: 2 / 2
三角积分调变:
S/N 比,标准 ADC / DAC (db): 93 / 101
动态范围,标准 ADC / DAC (db): 93 / 101
电压 - 电源,模拟: 1.65 V ~ 2 V
电压 - 电源,数字: 1.65 V ~ 3.6 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 56-WFQFN 裸露焊盘
供应商设备封装: 56-TQFN-EP(7x7)
包装: 标准包装
其它名称: MAX98089ETN+TDKR
Low-Power, Stereo Audio Codec
with FlexSound Technology
Table 11. Clock Control Registers (continued)
REGISTER
BIT
NAME
DESCRIPTION
0x11
3
FREQ1
Exact Integer Mode
Overrides PLL1 and NI1 and configures a specific PCLK to LRCLK ratio.
VALUE
SAMPLE RATE
VALUE
SAMPLE RATE
0x0
Disabled
0x8
PCLK = 12MHz,
LRCLK = 8kHz
2
0x1
Reserved
0x9
PCLK = 12MHz,
LRCLK = 16kHz
0x2
Reserved
0xA
PCLK = 13MHz,
LRCLK = 8kHz
0x3
Reserved
0xB
PCLK = 13MHz,
LRCLK = 16kHz
0x4
Reserved
0xC
PCLK = 16MHz,
LRCLK = 8kHz
1
0x5
Reserved
0xD
PCLK = 16MHz,
LRCLK = 16kHz
0x6
Reserved
0xE
PCLK = 19.2MHz,
LRCLK = 8kHz
0x7
Reserved
0xF
PCLK = 19.2MHz,
LRCLK = 16kHz
0x12/0x1A
7
PLL1/PLL2
PLL Mode Enable (Slave Mode Only)
PLL1/PLL2 enables a digital PLL that locks on to the externally supplied LRCLK frequen-
cy and automatically sets the LRCLK divider (NI1/NI2).
0 = Disabled
1 = Enabled
6
NI1/
NI2
Normal Mode LRCLK Divider
When PLL1/PLL2 = 0, the frequency of LRCLK is determined by NI1/NI2. See Table 12
for common NI values.
5
4
3
SAMPLE RATE
DHF1/DHF2
NI1/NI2 FORMULA
2
1
8kHz P LRCLK P 48kHz
0
0x13/0x1B
7
6
48kHz
< LRCLK P 96kHz
1
5
4
3
fLRCLK = LRCLK frequency
fPCLK = Prescaled MCLK frequency (PCLK)
2
1
0
NI1[0]/NI2[0]
Rapid Lock Mode
Program NI1/NI2 to the nearest valid ratio and set NI1[0]/NI2[0] when PLL1/PLL2 = 1
to enable rapid lock mode. Normally, the PLL automatically calculates and dynamically
adjusts NI1/NI2. When rapid lock mode is properly configured, the PLL starting point is
much closer to the correct value, thus speeding up lock time. Wait one LRCLK period
after programming NI1/NI2 before setting PLL1/PLL2 = 1.
LRCLK
PCLK
65,536 x 48 x f
NI
f
=
LRCLK
PCLK
65,536 x 96 x f
NI
f
=
Maxim Integrated
86
MAX98089
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