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| TDC1011_15 Datasheet, PDF (9/49 Pages) Texas Instruments – TDC1011 Single Channel Ultrasonic Sensing Analog Front End (AFE) for Level Sensing,Concentration Sensing Applications | |||
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www.ti.com
TDC1011
SNAS662 â JULY 2015
Typical Characteristics (continued)
At TA = 25°C, unless otherwise noted.
30
30
20
20
10
10
0
0
±10
±10
±20
±20
±30
10k
VDD = VIO = 3.7V
CIN = 300 pF
100k
1M
Frequency (Hz)
Capacitive
Feedback Mode
10M
C007
RL = 100kΩ
Figure 8. LNA Gain vs Frequency
20
18
16
14
12
10
8
6
4
2
0
±30
10k
VDD = VIO = 3.7V
100k
1M
Frequency (Hz)
Gain of 21dB
10M
C008
RL = 100kΩ
Figure 9. PGA Gain vs Frequency
20
18
16
14
12
10
8
6
4
2
0
VDD = VIO = 5V
VIN = 100mV
20
18
16
14
12
10
8
6
4
2
0
Time (ps)
LNA Capacitive
Feedback Mode
(See Figure 14)
C009
PGA Gain of 6dB
fIN = 1MHz
Count >= 10000
Figure 10. RX Jitter Histogram
VDD = VIO = 3.7V
VIN = 100mV
TA = 25C°
Time (ps)
LNA Capacitive
Feedback Mode
(See Figure 14)
C010
PGA Gain of 6dB
fIN = 1MHz
Count >= 10000
Figure 11. RX Jitter Histogram
20
18
16
14
12
10
8
6
4
2
0
VDD = VIO = 3.7V
VIN = 100mV
TA = -40C°
Time (ps)
LNA Capacitive
Feedback Mode
(See Figure 14)
C011
PGA Gain of 6dB
fIN = 1MHz
Count >= 10000
Figure 12. RX Jitter Histrogam
VDD = VIO = 3.7V
VIN = 100mV
TA = 125C°
Time (ps)
LNA Capacitive
Feedback Mode
(See Figure 14)
C012
PGA Gain of 6dB
fIN = 1MHz
Count >= 10000
Figure 13. RX Jitter Histogram
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