ADC-305-1 Murata Power Solutions Inc, ADC-305-1 Datasheet - Page 3

• Manufacturer Part Number: ADC-305-1
• Description: ADC Single 2-Step Flash 20MSPS 8-Bit Parallel 24-Pin PDIP
• Manufacturer: Murata Power Solutions Inc

Specifications of ADC-305-1

• Package: 24PDIP
• Resolution: 8 Bit
• Sampling Rate: 20000 KSPS
• Architecture: 2-Step Flash
• Number Of Analog Inputs: 1
• Digital Interface Type: Parallel
• Input Type: Voltage
• Polarity Of Input Voltage: Unipolar

DATEL
®
ANALOG
OUTPUT
CLOCK
INPUT
DATA
Digital Output Circuit, Bit1 through Bit 8
+DV
+DGND
V
RT
17
Voltage Reference (V
S
T
PW1
AGND
Equivalent Circuit
+0.9922V
+1.9922V
+AV
+1.000V
®
V
O
S
T
N
IN
PW0
N-3
V
• 11 Cabot Boulevard, Mansfi eld, MA 02048-1151 USA • Tel: [phone] • www.datel.com • e-mail: [e-mail]
Ta
RT
,V
Td= 30ns max.
V
RB
+1/2FS –1LSB
23
RB
)
+1/2FS
CODE
Zero
+FS
Table 1. Digital Output Coding
Figure 3. Equivalent Circuits
Figure 2. Timing Diagram
N+1
N-2
output pins turn to high impedance.
Equivalent Circuit for OE and A/D CLK
OE - Low data is output when high digital
A/D CLK
OE
22
when shorted with V
V
Generates +0.6V
DEC
RBS
127
128
255
0
STEP
AGND
+DV
DGND
HEX
S
7F
FF
00
80
N+2
N-1
B
DATA BITS OUT
MSB
0 0 0 0
0 1 1 1
1 0 0 0
1 1 1 1
8-Bit, 20MHz CMOS A/D Converters
V
19
IN
0 0 0 0
1 1 1 1
0 0 0 0
1 1 1 1
LSB
N+3
AGND
N
16
when shorted with V
30 Mar 2011 MDA_ADC-305.B02 Page 3 of 6
Generates +2.6V
V
+AV
RTS
Analog Input
S
+AV
N+4
N+1
T
S
ADC-305