8 FN7708.2 June 28, 2012 Typical Performance Characteristics FIGURE 5. ISL267450A SINAD vs ANALOG INPUT FREQUENCY FOR VAR" />
參數(shù)資料
型號: ISL267450AIUZ
廠商: Intersil
文件頁數(shù): 17/18頁
文件大?。?/td> 0K
描述: IC INTERFACE
標(biāo)準(zhǔn)包裝: 980
系列: *
ISL267440, ISL267450A
8
FN7708.2
June 28, 2012
Typical Performance Characteristics
FIGURE 5. ISL267450A SINAD vs ANALOG INPUT FREQUENCY FOR
VARIOUS SUPPLY VOLTAGES
FIGURE 6. ISL267450A DYNAMIC PERFORMANCE WITH VDD = 5V
FIGURE 7. CMRR vs FREQUENCY FOR VDD = 5V
FIGURE 8. TYPICAL DNL FOR THE ISL267450A FOR VDD = 5V
FIGURE 9. PSRR vs SUPPLY RIPPLE FREQUENCY WITHOUT SUPPLY
DECOUPLING
FIGURE 10. TYPICAL INL FOR THE ISL267450A FOR VDD = 5V
55
60
65
70
75
10
100
1k
INPUT FREQUENCY (kHz)
SINAD
(dBc)
2.7V
3.6V
4.75V
5.25V
-140
-120
-100
-80
-60
-40
-20
0
100
200
300
400
500
FREQUENCY (kHz)
8192-POINT FFT
fSAMPLE = 1MSPS
fIN = 95.2kHz
SINAD = 72.0dB
THD = -91dB
SFDR = 93dB
AMPLITUD
E
(
d
BFS)
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
10k
100k
1k
10k
FREQUENCY (Hz)
CMRR
(
d
B)
-1.0
-0.8
-0.6
-0.4
-0.2
0.0
0.2
0.4
0.6
0.8
1.0
0
1024
2048
3072
4096
CODE
DN
L
(
L
S
B
)
-120
-100
-80
-60
-40
-20
0
100
200
300
400
500
600
700
800
900
1000
FREQUENCY (kHz)
250mVP-P SINE WAVE ON VDD
NO DECOUPLING ON VDD
PSRR
(dB)
-1.0
-0.8
-0.6
-0.4
-0.2
0.0
0.2
0.4
0.6
0.8
1.0
0
1024
2048
3072
4096
CODE
INL
(
L
S
B
)
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