ADS-932MM Murata Power Solutions Inc, ADS-932MM Datasheet - Page 8

• Manufacturer Part Number: ADS-932MM
• Description: Analog To Digital Converter
• Manufacturer: Murata Power Solutions Inc

DATEL
–1/2FS –1/2LSB
–FS +1 1/2 LSB
–FS +1 LSB
0
UNIPOLAR
–1/2LSB
–7/8 FS
–3/4 FS
–1/2FS
–1/4FS
–1/8FS
–1 LSB
®
SCALE
0
–0.56
0.74
Figure 6. ADS-932 Histogram and Differential Nonlinearity
0
INPUT RANGE 0 to
–5.499916
–5.499874
–4.812500
–4.125000
–2.750000
–2.749958
–1.375000
–0.687500
–0.000084
–0.000042
0 to –5.5V
0.000000
Digital Output Code
MSB
1111 1111 1111 1111
1110 0000 0000 0000
1100 0000 0000 0000
1000 0000 0000 0000
0111 1111 1111 1111
0100 0000 0000 0000
0010 0000 0000 0000
0000 0000 0000 0001
0000 0000 0000 0000
Codes
LSB "1" to "0"
LSB "0" to "1"
®
• 11 Cabot Boulevard, Mansfi eld, MA 02048-1151 USA • Tel: [phone] • www.datel.com • e-mail: [e-mail]
LSB
INPUT RANGE
MSB
0000 0000 0000 0000
0001 1111 1111 1111
0011 1111 1111 1111
0111 1111 1111 1111
1011 1111 1111 1111
1101 1111 1111 1111
1111 1111 1111 1110
1111 1111 1111 1111
0 to –5.5V
1000 000 000 0000
±2.75V
OFFSET BINARY
65,536
COMP. BINARY
LSB "0" to "1"
LSB "1" to "0"
Table 3. Input Connections
Table 2b. Output Coding
65,536
INPUT PIN
LSB
Pin 3
Pin 3
MSB
0111 1111 1111 1111
0110 0000 0000 0000
0100 0000 0000 0000
0000 0000 0000 0000
1111 1111 1111 1111
1100 0000 0000 0000
1010 0000 0000 0000
1000 0000 0000 0001
1000 0000 0000 0000
COMP. TWO'S COMP.
LSB "1" to "0"
LSB "0" to "1"
Pin 2 is No Connect
TIE TOGETHER
Pin 1 To Pin 2
4000
3000
4410
2000
1000
0
LSB
(including quantization noise) associated with the ADS-932.
This histogram represents the typical peak-to-peak noise
16-Bit, 2 MHz Sampling A/D Converters
Figure 7. ADS-932 Grounded Input Histogram
MSB
1000 0000 0000 0000
1001 1111 1111 1111
1011 1111 1111 1111
1111 1111 1111 1111
0000 0000 0000 0000
0011 1111 1111 1111
0101 1111 1111 1111
0111 1111 1111 1110
0111 1111 1111 1111
LSB "0" to "1"
LSB "1" to "0"
TWO'S COMP.
LSB
Digital Output Code
INPUT RANGE
+2.749916
+2.749874
+2.062500
+1.375000
–0.000084
–1.375000
–2.062500
–2.749916
–2.749958
–2.750000
0.000000
±2.75V
MDA_ADS-932.B03 Page 8 of 9
ADS-932
+FS –1 1/2 LSB
–FS + 1/2 LSB
+FS –1 LSB
–FS +1 LSB
–1/2 LSB
BIPOLAR
+3/4 FS
+1/2 FS
–1/2 FS
–3/4 FS
SCALE
–FS
0