參數(shù)資料
型號(hào): AD7608BSTZ-RL
廠商: Analog Devices Inc
文件頁(yè)數(shù): 6/32頁(yè)
文件大小: 0K
描述: IC DAS W/ADC 18BIT 8CH 64LQFP
標(biāo)準(zhǔn)包裝: 1,500
類型: 數(shù)據(jù)采集系統(tǒng)(DAS),ADC
分辨率(位): 18 b
采樣率(每秒): 200k
數(shù)據(jù)接口: DSP,MICROWIRE?,并聯(lián),QSPI?,串行,SPI?
電壓電源: 模擬和數(shù)字
電源電壓: 2.3 V ~ 5.25 V,4.75 V ~ 5.25 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 64-LQFP
供應(yīng)商設(shè)備封裝: 64-LQFP(10x10)
包裝: 帶卷 (TR)
AD7608
Data Sheet
Rev. A | Page 14 of 32
TYPICAL PERFORMANCE CHARACTERISTICS
–160
–140
–120
–100
–80
–60
–40
–20
0
10k
20k
30k
40k
50k
60k
70k
80k
90k
100k
S
NR
(
d
B)
INPUT FREQUENCY (Hz)
08938-
008
AVCC, VDRIVE = 5V
INTERNAL REFERENCE
fSAMPLE = 200 kSPS
TA = 25°C
±10V RANGE
SNR = 91.23dB
SINAD = 91.17dB
THD = 108.69dB
16384 POINT FFT
fIN = 1kHz
Figure 8. FFT Plot, ±10 V Range
–160
–140
–120
–100
–80
–60
–40
–20
0
10k
20k
30k
40k
50k
60k
70k
80k
90k
100k
AM
P
L
IT
UDE
(
d
B)
INPUT FREQUENCY (Hz)
AVCC, VDRIVE = 5V
INTERNAL REFERENCE
fSAMPLE = 200 kSPS
TA = 25°C
±5V RANGE
SNR = 90.46dB
SINAD = 90.43dB
THD = 110.74dB
16384 POINT FFT
fIN = 1kHz
08938-
009
Figure 9. FFT Plot, ±5 V Range
–160
–140
–120
–100
–80
–60
–40
–20
0
1k
2k
3k
4k
5k
6k
AM
P
L
IT
UDE
(
d
B)
INPUT FREQUENCY (Hz)
AVCC, VDRIVE = 5V
INTERNAL REFERENCE
fSAMPLE = 12.5 kSPS
TA = 25°C
±10V RANGE
SNR = 100.26dB
SINAD = 100.15dB
THD = –115.21dB
16384 POINT FFT
fIN = 131Hz
08938-
109
Figure 10. FFT Over Sampling by 16, ±10 V Range
–4.0
–3.0
–1.5
–0.5
0.5
1.5
2.5
3.5
–3.5
–2.0
–2.5
–1.0
0
1.0
2.0
3.0
4.0
0
25,
000
50,
000
75,
000
100,
000
125,
000
150,
000
175,
000
200,
000
225,
000
IN
L
(L
SB
)
CODE
250,
000
08938-
010
AVCC, VDRIVE = 5V
INTERNAL REFERENCE
fSAMPLE = 200 kSPS
TA = 25°C
±10V RANGE
Figure 11. Typical INL, ±10 V Range
–1.0
–0.7
–0.3
–0.1
0.1
0.3
0.5
0.9
–0.9
–0.4
–0.5
–0.2
0
0.2
0.4
0.7
1.0
0
25,
000
DN
L
(L
SB
)
CODE
50,
000
75,
000
100,
000
125,
000
150,
000
175,
000
200,
000
225,
000
250,
000
262,
144
–0.6
–0.8
0.8
0.6
08938-
011
AVCC, VDRIVE = 5V
INTERNAL REFERENCE
fSAMPLE = 200 kSPS
TA = 25°C
±10V RANGE
Figure 12. Typical DNL, ±10 V Range
–4.0
–3.0
–1.5
–0.5
0.5
1.5
2.5
3.5
–3.5
–2.0
–2.5
–1.0
0
1.0
2.0
3.0
4.0
0
25,
000
50,
000
75,
000
100,
000
125,
000
150,
000
175,
000
200,
000
225,
000
IN
L
(L
SB
)
CODE
250,
000
08938-
012
AVCC, VDRIVE = 5V
INTERNAL REFERENCE
fSAMPLE = 200 kSPS
TA = 25°C
±5V RANGE
Figure 13. Typical INL, ±5 V Range
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