ADC-HX, ADC-HZ Series
12-Bit, 8 and 20μsec Analog-to-Digital Converters
CODING TABLES
UNIPOLAR OPERATION
INPUT RANGE
0 TO +10V
+9.9976V
+8.7500
+ 7.5000
+5.0000
+2.5000
+ 1.2500
+0.0024
0.0000
0 TO +5V
+4.9988V
+4.3750
+3.7500
+2.5000
+ 1.2500
+0.6250
+ 0.0012
0.0000
COMP. BINARY CODING
MSB
LSB
+10V
+9.9951V
+7.5000
+5.0000
0.0000
-5.0000
-7.5000
-9.9951
-10.0000
INPUT VOLTAGE RANGE
+5V
+4.9976V
+3.7500
+2.5000
0.0000
-2.5000
-3.7500
-4.9976
-5.0000
+2.5V
+ 2.4988V
+ 1.8750
+ 1.2500
0.0000
-1.2500
-1.8750
-2.4988
-2.5000
BIPOLAR OPERATION
COMP. OFFSET BINARY
MSB
LSB
COMP. TWO’S COMPLEMENT
MSB
LSB
0000 0000 0000
0001 1111 1111
0011 1111 1111
0111 1111 1111
1011 1111 1111
1101 1111 1111
1111 1111 1110
1111 1111 1111
0000 0000 0000
0001 1111 1111
0011 1111 1111
0111 1111 1111
1011 1111 1111
1101 1111 1111
1111 1111 1110
1111 1111 1111
1000 0000 0000
1001 1111 1111
1011 1111 1111
1111 1111 1111
0011 1111 1111
0101 1111 1111
0111 1111 1110
0111 1111 1111
SHORT CYCLE OPERATION
Refer to Technical Note 4 for methods of reducing the ADC-HX or ADC-HZ conversion times.
CONNECTIONS
8, 10 & 12-BIT CONVERSION TIMES
RESOLUTION
ADC-HX Conversion Time
ADC-HZ Conversion Time
Connect These Pins Together
12 BITS
20μs
8μs
17 & 15
14 & 16
10 BITS
15μs
6μs
17 & 16
14 & 2
8 BITS
10μs
4μs
17 & 28
14 & 4
PIN 14 CONNECTION
RES. (BITS)
PIN 14 TO
PIN 11
PIN 10
PIN 9
PIN 8
PIN 7
PIN 6
RES. (BITS)
7
8
9
10
11
12
PIN 14 TO
PIN 5
PIN 4
PIN 3
PIN 2
PIN 1
PIN 16
CLOCK RATE VS. VOLTAGE
PIN 17
VOLTAGE
CLOCK RATE
ADC-HX
ADC-HZ
1
2
3
4
5
6
0V
+5V
+15V
600kHZ
720kHZ
880kHz
1.5MHZ
1.8MHz
2.2MHz
www.murata-ps.com
Technical enquiries
email: sales@murata-ps.com, tel:
+1 508 339 3000
MDA_ADCHXHZ.B01
Page 3 of 6
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