参数资料
型号: THS1041IPWR
厂商: TEXAS INSTRUMENTS INC
元件分类: ADC
英文描述: 1-CH 10-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO28
封装: GREEN, PLASTIC, TSSOP-28
文件页数: 3/41页
文件大小: 810K
代理商: THS1041IPWR
THS1041
SLAS289C OCTOBER 2001 REVISED OCTOBER 2004
11
www.ti.com
TYPICAL CHARACTERISTICS
35
40
45
50
55
60
0
10
20
30
40
50
60
708090
100
Diff Input = 2 V
SE Input = 2 V
Diff Input = 1 V
SE Input = 1 V
SIGNAL-TO-NOISE PLUS DISTORTION
vs
INPUT FREQUENCY
fi Input Frequency MHz
65
Figure 10
See Note
SINAD
Signal-to-Noise
Plus
Distortion
dB
35
40
45
50
55
60
65
70
75
80
85
0
1020
3040
50
60
70
80
90
100
Diff Input = 2 V
SE Input = 2 V
Diff Input = 1 V
SE Input = 1 V
THD
T
otal
Harmonic
Distortion
dB
TOTAL HARMONIC DISTORTION
vs
INPUT FREQUENCY
fi Input Frequency MHz
Figure 11
See Note
NOTE: AVDD = DVDD = 3 V,
fS = 40 MSPS,
PGA = 1,
20-pF capacitors AIN+ to AGND and AIN to AGND,
Input series resistor = 25
,
2-V Input: Ext Ref, REFT = 2 V, REFB = 1 V
1-V Input: Ext Ref, REFT = 1.75 V, REFB = 1.25 V
Figure 12
40
45
50
55
60
65
70
75
0
5
10
20
25
30
35
40
45
50
THD
T
otal
Harmonic
Distortion
dB
Sample Rate MSPS
TOTAL HARMONIC DISTORTION
vs
SAMPLE RATE
15
Diff Input = 2 V
fi = 20 MHz, 0.5 dBFS
Figure 13
40
45
50
55
60
65
70
75
0
5
10
20
25
30
35
40
45
50
SNR
Signal-to-Noise
Ratio
dB
Sample Rate MSPS
SIGNAL-TO-NOISE RATIO
vs
SAMPLE RATE
15
Diff Input = 2 V
fi = 20 MHz, 0.5 dBFS
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