WM2148 Datasheet, PDF (10/14 Pages) Wolfson Microelectronics plc – 14-bit 8MSPS Analogue-To-Digital Converter

WM2148
PERFORMANCE DATA (TYPICAL)
284
282
280
278
276
274
272
270
268
0.1
1
Frequency [MHz]
Figure 4 Power Consumption vs Sample Clock
Production Data
90
80
70
60
50
40
30
20
10
0
10
0
50
100
150
200
250
300
time [ns]
Figure 5 Supply Current vs Time (Power Down)
8
6
4
2
0
-2
-4
-6
-8
-8192
-6144
-4096
-2048
0
Code
2048
4096
6144
Figure 6 Integral Nonlinearity at 8MSPS
2
1.5
1
0.5
0
-0.5
-1
-1.5
-2
-8192
-6144
-4096
-2048
0
Code
2048
4096
6144
Figure 7 Differential Nonlinearity at 8MSPS
-74
-76
-78
-80
-82
-84
-86
-88
-90
10
100
1000
Signal Frequency [kHz] at -1dB
Figure 8 Total Harmonic Distortion at 3MSPS
10000
-74
-76
-78
-80
-82
-84
-86
-88
-90
10
100
1000
Signal Frequency [kHz] at -1dB
Figure 9 Total Harmonic Distortion at 8MSPS
10000
WOLFSON MICROELECTRONICS LTD
PD Rev 1.1 February 2001
10