LM98640QML-SP Datasheet, PDF (15/54 Pages) Texas Instruments – Dual Channel, 14-Bit, 40 MSPS Analog Front End with LVDS Output

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LM98640QML-SP
SNAS461D – MAY 2010 – REVISED SEPTEMBER 2015
LM98640QML Electrical Characteristics⁽¹⁾⁽²⁾ (continued)
The following specifications apply for VDD33 = 3.3V, VDD18 = 1.8V, C_L = 10pF, and f_INCLK = 40MHz unless otherwise
specified.
PARAMETER
TEST CONDITIONS
NOTES
SUB-
GROUPS
MIN TYP⁽³⁾ MAX UNIT
5 MHz
4, 5
-71.4 -69.0
dB
6
-69.9 -67.8
THD
Total Harmonic Distortion
15 MHz
25 MHz
4, 5
-75.1 -73.1
dB
6
-73.9 -71.8
4, 5
-68.9 -66.8
dB
6
-68.2 -66.2
40 MHz
4, 5
-62.0 -60.0
dB
6
-62.0 -60.0
5 MHz
4, 5
69.4 71.5
dB
6
68.4 70.4
SFDR
Spurious-Free Dynamic Range
15 MHz
25 MHz
4, 5
74.0 76.0
dB
6
74.0 76.0
4, 5
67.0 69.0
dB
6
67.0 69.0
40 MHz
4, 5
60.0 62.0
dB
6
60.0 62.0
5 MHz
4, 5
65.0 67.0
dB
6
62.0 64.5
SINAD
Signal-to-Noise Plus Distortion
Ratio
15 MHz
25 MHz
4, 5
66.0 68.0
dB
6
62.5 64.5
4, 5
64.0 66.0
dB
6
62.5 64.5
40 MHz
4, 5
59.0 61.0
dB
6
59.0 60.5
5 MHz
4, 5
10.5 10.8
Bits
6
10.0 10.4
ENOB
Effective Number of Bits
15 MHz
25 MHz
4, 5
10.7 11.0
Bits
6
10.1 10.4
4, 5
10.3 10.7
6
10.1
10.49.
5
Bits
40 MHz
4, 5
9.8
Bits
6
9.5 9.8
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