ADC-HX12BMC Murata Power Solutions Inc, ADC-HX12BMC Datasheet

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ADC-HX12BMC

Manufacturer Part Number
ADC-HX12BMC
Description
Analog To Digital Converter
Manufacturer
Murata Power Solutions Inc
Datasheets

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Part Number
Manufacturer
Quantity
Price
Part Number:
ADC-HX12BMC
Manufacturer:
DATEL
Quantity:
346
FEATURES
FEATURES
12-bit resolution
8 or 20 microsecond conversion times
5 input voltage ranges
Internal high Z input buffer
Short-cycle operation
MIL-STD-883 models available
S
www.murata-ps.com/rohs
For full details go to
 
COMPARATOR
BIPOLAR
COMMON
OUTPUT
BUFFER
BUFFER
OFFSET
ANALOG
INPUT
INPUT
INPUT
INPUT
10V
20V
30
29
23
22
24
25
26
+15V POWER
5k
5k
28
+
PRODUCT OVERVIEW
contained, high-performance, 12-bit A/D converters
manufactured with thick and thin-film hybrid tech-
nology. They use the successive approximation
conversion technique to achieve a 12-bit conver-
sion in 20 and 8 microseconds, respectively. Five
input voltage ranges are programmable by external
pin connection. An internal buffer amplifier is also
provided for applications in which 50 megohm
input impedance is required.
DAC which includes a precision zener reference
source. The circuit also contains a fast mono-
lithic comparator, a monolithic 12-bit successive
approximation register, a clock and a monolithic
buffer amplifier. Nonlinearity is specified at
±1/2LSB maximum.
CLOCK
CLOCK
RATE
www.murata-ps.com
17
The ADC-HX and ADC-HZ Series are self-
These converters utilize a fast 12-bit monolithic
AMPLIFIER
BUFFER
–15V POWER
Figure 1. Functional Block Diagram
CLOCK
COMPARATOR
OUT
19
31
START
CONV.
21
6.3k
LSB.
12
1
REF. OUT
11
2
18
10
3
12-Bit, 8 and 20μsec Analog-to-Digital Converters
4
9
PARALLEL DATA OUT
5
8
APPROXIMATION
12-BIT DAC
SUCCESSIVE
PRECISION
REF (+6.3V)
REGISTER
6
7
BIT NO.
ADC-HX, ADC-HZ Series
7
6
Technical enquiries email: sales@murata-ps.com, tel:
+5V POWER
8
5
9
4
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
10
Pin
3
for conversion speed. They can be short-cycled to
give faster conversions in lower-resolution applica-
tions. Use of the internal buffer amplifier increases
conversion time by 3 microseconds, the settling
time of the amplifier. Output coding is comple-
mentary binary, complementary offset binary, or
complementary two’s complement. Serial data is
also brought out. The package is a 32-pin ceramic
TDIP. Models are available for use in either com-
mercial (0 to +70°C) or military (–55 to +125°C)
operating temperature ranges. MIL-STD-883 and
DESC Standard Military Drawing models are also
available.
11
2
BIT 12 (LSB)
BIT 11
BIT 10
BIT 9
BIT 8
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1 (MSB)
BIT 1 (MSB)
SHORT CYCLE
DIGITAL COMMON
+5V POWER
Both models have identical operation except
MSB
12
1
MSB
13
INPUT/OUTPUT CONNECTIONS
1
Function
SERIAL
DATA
OUT
32
15
27
14
20
MDA_ADCHXHZ.B01 Page 1 of 6
GAIN
ADJUST
DIGITAL
COMMON
SHORT
CYCLE
E.O.C.
STATUS
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
Pin
SERIAL DATA OUTPUT
–15V POWER
BUFFER INPUT
BUFFER OUTPUT
+15V POWER
GAIN ADJUST
ANALOG COMMON
20V INPUT RANGE
10V INPUT RANGE
BIPOLAR OFFSET
COMPARATOR INPUT
START CONVERT
E.O.C. (STATUS)
CLOCK OUT
REFERENCE OUT
CLOCK RATE
+1 508 339 3000
Function

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