Datasheet

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TYPICAL CHARACTERISTICS
91
92
93
94
95
96
97
2.5 3 3.5 4
f
i
= 1 kHz,
+VA = 5 V,
+VBD = 5 V,
T
A
= 25°C
SNR − Signal-to-Noise Ratio − dB
V
ref
− Reference Voltage − V
91
92
93
94
95
96
97
2.5 3 3.5 4
f
i
= 1 kHz,
+VA = 5 V,
+VBD = 5 V,
T
A
= 25°C
SINAD − Signal−to−Noise and Distortion − dB
V
ref
− Reference Voltage − V
117.5
118
118.5
119
119.5
120
120.5
121
121.5
2.5 3 3.5 4
f
i
= 1 kHz,
+VA = 5 V,
+VBD = 5 V,
T
A
= 25°C
V
ref
− Reference Voltage − V
SFDR − Spurious Free Dynamic Range − dB
−117.8
−117.6
−117.4
−117.2
−117
−116.8
−116.6
−116.4
−116.2
2.5 3 3.5 4
THD − Total Harmonic Distortion − dB
f
i
= 1 kHz,
+VA = 5 V,
+VBD = 5 V,
T
A
= 25°C
V
ref
− Reference Voltage − V
15
15.1
15.2
15.3
15.4
15.5
15.6
15.7
15.8
15.9
16
−40 −25 −10 5 20 35 50 65 80
T
A
− Free-Air Temperature − °C
+VA = 5 V,
+VBD = 5 V,
REFIN = 4.096 V,
f
i
= 1 kHz
ENOB − Effective Number of Bits − Bits
14.8
14.9
15
15.1
15.2
15.3
15.4
15.5
15.6
15.7
2.5 3 3.5 4
f
i
= 1 kHz,
+VA = 5 V,
+VBD = 5 V,
T
A
= 25°C
V
ref
− Reference Voltage − V
ENOB − Effective Number of Bits − Bits
ADS8382
SLAS416B – JUNE 2004 – REVISED NOVEMBER 2004
SIGNAL-TO-NOISE RATIO SIGNAL-TO-NOISE
vs AND DISTORTION
REFERENCE VOLTAGE vs
REFERENCE VOLTAGE
Figure 1. Figure 2.
SPURIOUS FREE DYNAMIC RANGE TOTAL HARMONIC DISTORTION
vs vs
REFERENCE VOLTAGE REFERENCE VOLTAGE
Figure 3. Figure 4.
EFFECTIVE NUMBER OF BITS EFFECTIVE NUMBER OF BITS
vs vs
REFERENCE VOLTAGE FREE-AIR TEMPERATURE
Figure 5. Figure 6.
8