Data Sheet

AC6905C Datasheet
7
Confidential
The information contained herein is the exclusive property of JIELI and shall not be distributed, reproduced, or disclosed in whole or in part without
prior written permission of JIELI.
V
OL
Low-Level Output
Voltaget
_ _ 0.33 V VDDIO = 3.3V
V
OH
High-Level Output
Voltaget
2.7 _ _ V VDDIO = 3.3V
2.3 IO 输出能力、上下拉电阻特性
2-3
Port 普通输出 强输出 上拉电阻 下拉电阻 备注
PA3PA4
PA1PB13
PR1PR2
PC3~PC5
串接 200
电阻(寄存
器可控制)
16mA 10K 60K
1PA3 default pulldown
2、内部上下拉阻抗因工艺波动差
异,可能存在±20%的偏差
USBDM
USBDP
4mA _ 1.5K 15K
2.4 DAC 特性
参数 最小 典型 最大 单位 测试条件
Frequency Response 20 _ 200000 Hz
1KHz/0dB
10Kohm loading
With A-Weighted Filter
THD+N _ -70 _ dB
S/N _ 90 _ dB
Crosstalk _ -86 _ dB
Output Swing 1.08 Vrms
Dynamic Range
91 dB
1KHz/-60dB
10Kohm loading
With A-Weighted Filter
DAC Output Power _ >11 _ mW 32ohm loading
2.5 ADC 特性
参数 最小 典型 最大 单位 测试条件
Dynamic Range
91 dB
1KHz/-60dB
10Kohm loading
With A-Weighted Filter
S/N _ 90 _ dB
1KHz/-60dB
10Kohm loading
With A-Weighted Filter
THD+N _ -70 _ dB
Crosstalk _ -80 _ dB