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ADC3908CSSS 数据表(PDF) 21 Page - Texas Instruments

部件名 ADC3908CSSS
功能描述  ADC3908Dx and ADC3908Sx 8-bit, 25 to 125MSPS Low Latency, Low Power, Small, Single and Dual Channel ADC with Integrated Input Buffers
PDF  47 Pages
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制造商  TI [Texas Instruments]
网页  http://www.ti.com
标志 TI - Texas Instruments

ADC3908CSSS 数据表(HTML) 21 Page - Texas Instruments

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6.14 Typical Characteristics - 125MSPS (continued)
Typical values at TA = 25°C, ADC sampling rate = 125MSPS, AIN = –1dBFS, differential input, AVDD = IOVDD = 1.8V,
internal 1.2V voltage reference, unless otherwise noted.
VCM Offset (mV)
-50
-25
0
25
50
49
50
49.5
55
50
60
50.5
65
51
70
SNR, -40°C
SNR, 25°C
SNR, 105°C
SFDR, -40°C
SFDR, 25°C
SFDR, 105°C
FIN = 10MHz
Figure 6-48. AC Performance vs VCM vs Temperature
Code
0
64
128
192
256
-0.4
-0.2
0
0.2
0.4
FIN = 5MHz
Figure 6-49. INL vs ADC Code
Code
0
64
128
192
256
-0.4
-0.2
0
0.2
0.4
FIN = 5MHz
Figure 6-50. DNL vs ADC Code
Samples
0
4096
8192
12288
16384
20480
24576
28672
32768
0
32
64
96
128
160
192
224
256
Pulse Input = 1MHz
Figure 6-51. Pulse Response
Sample Rate (MSPS)
65
70
75
80
85
90
95
100
105
110
115
120
125
0
5
10
15
20
25
30
35
40
IAVDD, 2-ch.
IAVDD, 1-ch.
IOVDD, 2-ch., DDR
IOVDD, 1-ch., SDR
FIN = 5MHz
Figure 6-52. Current vs Sampling Rate
Te mp (°C)
-40 -30 -20 -10
0
10
20
30
40
50
60
70
80
90 100105
0
0
5
10
10
20
15
30
20
40
25
50
30
60
35
70
40
80
45
90
50
100
55
110
60
120
AVDD, 2-ch.
AVDD, 1-ch.
IOVDD, 2-ch.
IOVDD, 1-ch.
To tal Power, 2-ch.
To tal Power, 1-ch.
FIN = 5MHz
Figure 6-53. Current vs Temperature
www.ti.com
ADC3908D025, ADC3908D065, ADC3908D125
ADC3908S025, ADC3908S065, ADC3908S125
SBASAU9 – OCTOBER 2024
Copyright © 2024 Texas Instruments Incorporated
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Product Folder Links: ADC3908D025 ADC3908D065 ADC3908D125 ADC3908S025 ADC3908S065 ADC3908S125



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