参数资料
型号: AD7609BSTZ-RL
厂商: Analog Devices Inc
文件页数: 7/36页
文件大小: 0K
描述: IC DAS W/ADC 18BIT 8CH 64LQFP
标准包装: 1,500
类型: 数据采集系统(DAS),ADC
分辨率(位): 18 b
采样率(每秒): 200k
数据接口: DSP,MICROWIRE?,并联,QSPI?,串行,SPI?
电压电源: 模拟和数字
电源电压: 2.3 V ~ 5 V,4.75 V ~ 5.25 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 64-LQFP
供应商设备封装: 64-LQFP(10x10)
包装: 带卷 (TR)
Data Sheet
AD7609
Rev. A | Page 15 of 36
TYPICAL PERFORMANCE CHARACTERISTICS
–160
–140
–120
–100
–80
–60
–40
–20
0
20k
40k
60k
80k
100k
S
NR
(
d
B)
INPUT FREQUENCY (Hz)
AVCC, VDRIVE = 5V
INTERNAL REFERENCE
±10V RANGE
fSAMPLE = 200 kSPS
fIN = 1kHz
16384 POINT FFT
SNR = 91.52dB
THD = –111.05dB
09760-
008
Figure 8. FFT Plot, ±10 V Range
–160
–140
–120
–100
–80
–60
–40
–20
0
20k
40k
60k
80k
100k
AM
P
L
IT
UDE
(
d
B)
INPUT FREQUENCY (Hz)
AVCC, VDRIVE = 5V
INTERNAL REFERENCE
±5V RANGE
fSAMPLE = 200kSPS
f IN = 1kHz
16,384 POINT FFT
SNR = 91.12dB
THD = –109.77dB
09760-
009
Figure 9. FFT Plot, ±5 V Range
–160
–140
–120
–100
–80
–60
–40
–20
0
1
2
3
4
5
6
AM
P
L
IT
UDE
(
d
B)
INPUT FREQUENCY (kHz)
09760-
109
AVCC, VDRIVE = 5V
INTERNAL REFERENCE
±10V RANGE
fSAMPLE = 12.5kSPS
fIN = 1Hz
8192 POINT FFT
SNR = 100.71dB
THD: –111.74 dB
Figure 10. FFT Plot, ±10 V Range
–3
–2
–1
0
1
2
3
0
32,
768
IN
L
(L
SB
)
CODE
65,
536
98,
304
131,
072
163,
840
196,
608
229,
376
±10V RANGE
AVCC, VDRIVE = 5V
TA = 25°C
fSAMPLE = 200 kSPS
WCP INL = 1.69 LSB
WCN INL = –1.3 LSB
09760-
010
Figure 11. Typical INL, ±10 V Range
0
32,
768
CODE
65,
536
98,
304
131,
072
163,
840
196,
608
229,
376
09760-
0
1
–1.0
0
1.0
0.8
0.6
0.4
0.2
–0.2
–0.4
–0.6
–0.8
DN
L
(L
SB
)
±10V RANGE
AVCC, VDRIVE = 5V
TA = 25°C
fSAMPLE = 200 kSPS
WCP DNL = 0.33 LSB
WCN DNL = –0.32 LSB
Figure 12. Typical DNL, ±10 V Range
–3
–2
–1
0
1
2
3
0
32,
768
IN
L
(L
SB
)
CODE
65,
536
98,
304
131,
072
163,
840
196,
608
229,
376
±5V RANGE
AVCC, VDRIVE = 5V
TA = 25°C
fSAMPLE = 200 kSPS
WCP INL = 1.56 LSB
WCN INL = –1.22 LSB
09760-
012
Figure 13. Typical INL, ±5 V Range
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