ADS-119MC Murata Power Solutions Inc, ADS-119MC Datasheet - Page 5

• Manufacturer Part Number: ADS-119MC
• Description: Analog To Digital Converter
• Manufacturer: Murata Power Solutions Inc

DATEL
BIPOLAR SCALE
–FS +1 LSB
+FS–1 LSB
®
+3/4 FS
+1/2 FS
–1/2 FS
–3/4 FS
Table 1. Output Coding for Bipolar Operation
–FS
0
ADS-118 INPUT
RANGE (±1V)
+1.49927V
+1.12500V
+0.75000V
–0.75000V
–1.12500V
–1.49927V
–1.50000V
0.00000V
+5V
–5V
4.7—F
4.7—F
OFFSET
ADJUST
OFFSET
OUTPUT CODING
1111 1111 1111
1110 0000 0000
1100 0000 0000
1000 0000 0000
0100 0000 0000
0010 0000 0000
0000 0000 0001
0000 0000 0000
MSB
A single +5V supply should be used for both the +5V analog and +5V digital.
If separate supplies are used, the difference between the two cannot exceed 100mV.
®
+5V
–5V
BINARY
0.1—F
0.1—F
LSB
• 11 Cabot Boulevard, Mansfi eld, MA 02048-1151 USA • Tel: [phone] • www.datel.com • e-mail: [e-mail]
20k
14
13, 20
20
18, 20
17
Figure 4. Typical Connection Diagram
SIGNAL
INPUT
ADS-119
12-Bit, 10MHz, Low-Power Sampling A/D Converters
ADJUST
GAIN
Figure 3. Optional Calibration Circuit, ADS-119
50
1.98k
12
11
10
15
19
16
9
8
7
6
5
4
3
2
1
BIT 1 (MSB)
BIT 2
BIT 3
BIT 4
BIT 5
BIT 6
BIT 7
BIT 8
BIT 9
BIT 10
BIT 11
BIT 12 (LSB)
DATA VALID
ANALOG INPUT
START CONVERT
31 Mar 2011 MDA_ADS-119.B02 Page 5 of 9
+15V
–15V
2k
To Pin 19
of ADS-119
ADS-119