ADC-305-1 Murata Power Solutions Inc, ADC-305-1 Datasheet - Page 5

• 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
®
(R
mA
20
15
10
IN
V
= 75Ω)
IN
Supply Current vs. Sampling Rate
Adjust
Gain
+DVS=+AVS=+5V
VIN = 1kHz
Ta=25°C
100
5
10
–5V(A)
51
470μF
Sampling Rate
120
680
15
Adjust
V
510
390
RB
2k
20
2SC2785
2SC2785
2SC2785
25 30MHz
47μF
2.2k
510
22μF
10k
Adjust
–5V(A)
2k
Bias
510
+5V(A)
2SC2785
mA
®
2.2k
20
15
10
5
Supply Current vs. Sampling Voltage
• 11 Cabot Boulevard, Mansfi eld, MA 02048-1151 USA • Tel: [phone] • www.datel.com • e-mail: [e-mail]
47μF
Adjust
V
2SC2785
RT
4.0
75
+5V(A)
Supply Voltage
4.5
Figure 5. Typical Connection Diagram
0.1μF
Figure 6. Typical Performance Curves
100μH
5.0
0.1μF
0.1μF
0.1μF
5.5V
0.1μF
0.1μF
0.1μF
0.1μF
13
14
15
16
17
18
19
20
21
22
23
24
LSB
0.6
0.4
0.2
ADC-305
Differential Linearity Error vs.
+DVS=+AVS=+5V
FS = 20.48MHz
Ta=25°C
Input Signal Frequency
2
Input Signal Frequency
4
12
11
10
9
8
7
6
5
4
3
2
1
8-Bit, 20MHz CMOS A/D Converters
6
0.1μF
8
10MHz
30 Mar 2011 MDA_ADC-305.B02 Page 5 of 6
10
1
2
3
4
6
7
1
2
3
4
5
6
7
8
9
74LS574
74HC04
0.1μF
0.1μF
dB
46
42
38
36
SNR + THD vs. Input Signal Frequency
+5V(D)
1
20
19
18
17
16
15
14
13
12
11
14
13
11
9
Input Signal Frequency
75
2
ADC-305
47μF
3
Clock Input
(A/D CLK)
(R
+DVS=+AVS=+5V
FS = 20.48MHz
Ta=25°C
IN
BIT 1 (MSB)
BIT 2
BIT 3
BIT 4
BIT 5
BIT 6
BIT 7
BIT 8 (LSB)
4
= 75Ω)
5
6
7MHz