
ADS1601
www.ti.com
SBAS322 - 2004年12月
电气特性
在TA的所有规格= -40 ° C至+ 85°C , AVDD = 5V , DVDD = IOVDD = 3V , FCLK = 20MHz时, VREF = + 3V , VCM = + 2.7V和RBIAS = 60KΩ ,
除非另有说明。
ADS1601
参数
模拟量输入
差分输入电压(V
IN
)
( AINP - AINN )
共模输入电压(V
CM
)
( AINP + AINN ) / 2
差分输入电压(V
IN
)
( AINP或AINN相对于AGND )
动态规范
数据速率
f
IN
= 10kHz时, -1dBFS
f
IN
= 10kHz时, -3dBFS
f
IN
= 10kHz时, -6dBFS
f
IN
= 100kHz时, -1dBFS
信号 - 噪声比( SNR)的
f
IN
= 100kHz时, -3dBFS
f
IN
= 100kHz时, -6dBFS
f
IN
= 500kHz的, -1dBFS
f
IN
= 500kHz的, -3dBFS
f
IN
= 500kHz的, -6dBFS
f
IN
= 10kHz时, -1dBFS
f
IN
= 10kHz时, -3dBFS
f
IN
= 10kHz时, -6dBFS
f
IN
= 100kHz时, -1dBFS
总谐波失真( THD )
f
IN
= 100kHz时, -3dBFS
f
IN
= 100kHz时, -6dBFS
f
IN
= 500kHz的, -1dBFS
f
IN
= 500kHz的, -3dBFS
f
IN
= 500kHz的, -6dBFS
f
IN
= 10kHz时, -1dBFS
f
IN
= 10kHz时, -3dBFS
f
IN
= 10kHz时, -6dBFS
f
IN
= 100kHz时, -1dBFS
信号 - 噪声+失真(SINAD )
f
IN
= 100kHz时, -3dBFS
f
IN
= 100kHz时, -6dBFS
f
IN
= 500kHz的, -1dBFS
f
IN
= 500kHz的, -3dBFS
f
IN
= 500kHz的, -6dBFS
f
IN
= 10kHz时, -1dBFS
f
IN
= 10kHz时, -3dBFS
f
IN
= 10kHz时, -6dBFS
f
IN
= 100kHz时, -1dBFS
无杂散动态范围( SFDR )
f
IN
= 100kHz时, -3dBFS
f
IN
= 100kHz时, -6dBFS
f
IN
= 500kHz的, -1dBFS
f
IN
= 500kHz的, -3dBFS
f
IN
= 500kHz的, -6dBFS
互调失真( IMD )
孔径延迟
f
1
= 499kHz , -6dBFS
f
2
= 501kHz , -6dBFS
90
97
91
98
85
84
85
84
87
84
87
84
1.25
f
CLK
20MHz
测试条件
民
典型值
最大
单位
0dBFS
±V
REF
V
V
3.5
V
2.7
0dBFS
0.1
MSPS
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
90
97
dB
dB
dB
90
96
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
ns
92
90
87
92
90
87
91
89
87
91
100
104
88
96
103
115
112
110
88
89
87
87
88
86
91
89
87
92
100
109
88
97
105
120
118
115
94
4
3