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ADS7040 Datasheet(PDF) 8 Page - Texas Instruments

Part # ADS7040
Description  ADS7040 Ultra-Low Power, Ultra-Small Size, 8-Bit, 1-MSPS, SAR ADC
PDF  43 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

ADS7040 Datasheet(HTML) 8 Page - Texas Instruments

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40
41.5
43
44.5
46
47.5
49
50.5
52
1.8
2.1
2.4
2.7
3
3.3
3.6
Reference Voltage (V)
C005
SNR
SINAD
±75
±73
±71
±69
±67
±65
±40
±7
26
59
92
125
Free-Air Temperature (oC)
C006
40
41.5
43
44.5
46
47.5
49
50.5
52
±40
±7
26
59
92
125
Free-Air Temperature (oC)
C003
SNR
SINAD
40
41.5
43
44.5
46
47.5
49
50.5
52
2
33
64
95
126
157
188
219
250
Input Frequency (kHz)
C004
SNR
SINAD
±140
±120
±100
±80
±60
±40
±20
0
0
100
200
300
400
500
Input Frequency (kHz)
C001
±140
±120
±100
±80
±60
±40
±20
0
0
100
200
300
400
500
Input Frequency (kHz)
C002
ADS7040
SBAS676C – NOVEMBER 2014 – REVISED DECEMBER 2015
www.ti.com
6.7 Typical Characteristics
At TA = 25°C, AVDD = 3 V, DVDD = 1.8 V, and fSAMPLE = 1 MSPS, unless otherwise noted.
SNR = 49.85 dB
THD = –68.69 dB
fIN = 2 kHz
SNR = 49.34 dB
THD = –63.31 dB
fIN = 250 kHz
Number of samples = 16384
Number of samples = 16384
Figure 2. Typical FFT
Figure 3. Typical FFT
fIN = 2 kHz
Figure 4. SNR and SINAD vs Free-Air Temperature
Figure 5. SNR and SINAD vs Input Frequency
Figure 6. SNR and SINAD vs Reference Voltage (AVDD)
Figure 7. THD vs Free-Air Temperature
8
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Product Folder Links: ADS7040



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