Data Sheet
Typical Performance Characteristics
(T
A
= T
Min
to T
Max
, AV
DD
= DV
DD
= OV
DD
= +5V, V
IN
= 0 to 4V, ƒ
clk
= 40 MSPS, V
RHS
= 4V, V
RLS
= 0V; unless otherwise noted)
performance vs. sample rate
63
62
THD
snr, tHD, sinaD vs. input freq.
80
CDK1305
10-bit, 40 MSPS 175mW A/D Converter
Performance (dB)
61
60
59
58
57
56
55
54
0
ƒ
IN
= 1MHz
SNR
SINAD
SNR, THD, SINAD (dB)
70
60
50
40
30
20
10
0
10
100
1000
SINAD
SNR
THD
5
10
15
20
25
30
35
40
Sample Rate (MSPS)
Input Frequency (MHz)
snr, tHD vs. input range
70
60
THD
SNR
power Dissipation vs. sample rate
220
200
SNR, THD (dB)
50
40
30
20
10
0
1.0
Total Power (mV)
180
160
140
120
100
80
V
IN
= 0V
V
IN
= 4V Sinewave
ƒ
IN
= 1MHz
ƒ
S
= 40 MSPS
REV 1A
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
60
10
15
20
25
30
35
40
45
Input Range (V)
Sample Rate (MSPS)
spectral response
0
ƒ
IN
= 1.035MHz
ƒ
S
= 40 MSPS
performance vs. temperature
62
60
THD
Performance (dB)
Amplitude (dB)
-30
58
56
54
SINAD
ƒ
IN
= 1MHz
ƒ
S
= 40 MSPS
-60
SNR
-90
52
-120
50
0
1
2
3
4
5
6
7
8
9
10
-40
-20
0
20
40
60
80
100
Input Frequency (MHz)
Temperature (°C)
©2008 CADEKA Microcircuits LLC
www.cadeka.com
6
CADEKA [ CADEKA MICROCIRCUITS LLC. ]
