ADC-208ALC View Datasheet(PDF) - Murata Power Solutions
Part Name
Description
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ADC-208ALC Datasheet PDF : 4 Pages
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www.murata-ps.com
FEATURES
■ 8-bit flash A/D converter
■ 20MHz sampling rate
■ 10MHz full-power bandwidth
■ Sample-hold not required
■ Low power CMOS
■ +5Vdc operation
■ 1.2 Micron CMOS
■ 8-Bit latched outputs
■ Surface-mount version
■ No missing codes
ADC-208A
8-Bit, 20MSPS CMOS Flash A/D (ADC-208 Compatible)
PRODUCT OVERVIEW
The ADC-208A utilizes an advanced VLSI 1.2
micron CMOS in providing 20MHz sampling rates
at 8-bits. The flexibility of the design architecture
and process delivers latch-up free operation
without external components and operation over
the full military range.
The ADC-208A is mechanically and electri-
cally equivalent to the ADC-208 Series, with the
exception of the OVERFLOW (pin 13) and ENABLE
(pins 11 and 12) functions. These functions are not
offered on the ADC-208A.
INPUT/OUTPUT CONNECTIONS
Pin
FUNCTION
Pin
FUNCTION
1
VDD
24
BIT 8 (LSB)
2
CLOCK INPUT
23
BIT 7
3
–REFERENCE
22
BIT 6
4
ANA/DIG GND (VSS)
21
BIT 5
5
ANALOG INPUT
20
REF 1/4 FS
6
REF MIDPOINT
19
VDD
7
ANALOG INPUT
18
REF 3/4 FS
8
ANA/DIG GND (VSS)
17
BIT 4
9
+REFERENCE
16
BIT 3
10
VDD
15
BIT 2
11
N.C.
14
BIT 1 (MSB)
12
N.C.
13
N.C.
ANALOG INPUT 5,7
+REFERENCE 9
R2
R
1Ω
¾ REFERENCE 18
R
MIDPOINT 6
REFERENCE
¼ REFERENCE 20
1Ω R2
R2
1Ω
R2
– REFERENCE 3
R
R2
PINS 1, 10, 19 +5V
+VDD
DIGITAL GND
PINS 4-8
ANALOG GND
For full details go to
www.murata-ps.com/rohs
02
01
02
CLOCK
01 GENERATOR
2 CLOCK
D
GQ
D
GQ
D
GQ
256 to
7 ENCODER
D
GQ
D
GQ
DQ
G
DQ
G
DQ
G
DQ
G
DQ
G
DQ
G
DQ
G
14 BIT 1
15 BIT 2
16 BIT 3
17 BIT 4
21 BIT 5
22 BIT 6
23 BIT 7
24 BIT 8
(LSB)
Figure 1. ADC-208A Block Diagram
www.murata-ps.com
Technical enquiries email: data.acquisition@murata-ps.com, tel: +1 508 339 3000
MDA_ADC-208A.B01 Page 1 of 4
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