ADS-112/883 Murata Power Solutions Inc, ADS-112/883 Datasheet - Page 5

• Manufacturer Part Number: ADS-112/883
• Description: Analog To Digital Converter
• Manufacturer: Murata Power Solutions Inc

DATEL
®
+FS – 1 LSB
UNIPOLAR
–100
–110
–120
–130
+7/8 FS
+3/4 FS
+1/2 FS
+1/4 FS
+1/8 FS
–10
–20
–30
–40
–50
–60
–70
–80
–90
SCALE
+1 LSB
0
0
0
INPUT RANGE
50
®
0 to +10V
+9.9976
+8.7500
+7.5000
+5.0000
+2.5000
+1.2500
+0.0024
0.0000
• 11 Cabot Boulevard, Mansfi eld, MA 02048-1151 USA • Tel: [phone] • www.datel.com • e-mail: [e-mail]
(fs = 1MHz, fin = 485kHz, Vin = –0.5dB, 4,096-point FFT)
100
MSB
1111
1110
1100
1000
0100
0010
0000
0000
STRAIGHT BIN.
150
OFF. BINARY
Figure 5. FFT Analysis of ADS-112
1111
0000
0000
0000
0000
0000
0000
0000
LSB
Table 4. Output Coding
200
OUTPUT CODING
Frequency (kHz)
1111
0000
0000
0000
0000
0000
0001
0000
250
0000
0001
0011
0111
1011
1101
1111
1111
MSB
COMP. OFF. BIN.
COMP. BINARY
12-Bit, 1MHz, Low-Power Sampling A/D Converters
0000
1111
1111
1111
1111
1111
1111
1111
300
0000
1111
1111
1111
1111
1111
1110
1111
LSB
350
INPUT RANGE
+4.9976
+3.7500
+2.5000
–2.5000
–3.7500
–4.9976
–5.0000
0.0000
±5V
400
450
31 Mar 2011 MDA_ADS-112.B02 Page 5 of 6
+FS –1 LSB
–FS+1LSB
BIPOLAR
SCALE
+3/4FS
+1/2FS
–1/2FS
–3/4FS
–FS
0
500
ADS-112