Data Sheet
Typical Performance Characteristics
(T
A
= T
Min
to T
Max
, AV
CC
= +5V, OV
DD
= +5V, ƒ
clk
= 250MHz, 50% duty cycle,
ƒ
IN
= 70MHz, dual channel mode; unless otherwise noted)
DLE vs. Sample Rate
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
-0.1
-0.2
-0.3
-0.4
-0.5
-0.6
-0.7
ƒ
IN
= 70.1 MHz
DLE vs. Temperature
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
-0.1
-0.2
-0.3
-0.4
-0.5
-0.6
-0.7
CDK1301
8-bit, 250 MSPS A/D Converter with Demuxed Outputs
ƒ
IN
= 70.1MHz
ƒ
S
= 250 MSPS
LSB
LSB
200
225
250
260
-50
-25
0
25
50
75
100
Sample Rate (MSPS)
Temperature (°C)
DLE vs. AV
cc
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
-0.1
-0.2
-0.3
-0.4
-0.5
-0.6
-0.7
100
ƒ
IN
= 70.1MHz
ƒ
S
= 250 MSPS
AV
cc
Current vs. Temperature
90
80
70
60
50
40
30
20
10
Powerdown mode
ƒ
IN
= 70.1MHz
ƒ
S
= 250 MSPS
AV
CC
Current (mA)
LSB
4.5 4.6 4.7 4.8 4.9 5.0 5.1 5.2 5.3 5.4 5.5
0
-50
-25
0
25
50
75
100
Volts (V)
Temperature (°C)
SNR, SINAD vs. Sample Rate
60
55
ƒ
IN
= 70.1 MHz
SNR
SINAD
SFDR, THD vs. Sample Rate
-30
-35
ƒ
IN
= 70.1 MHz
REV 1A
SNR, SINAD (dB)
SFDR, THD (dB)
50
45
40
35
30
25
20
200
225
-40
-45
-50
-55
-60
-65
THD
SFDR
250
260
-70
200
225
250
260
Sample Rate (MSPS)
Sample Rate (MSPS)
©2008 CADEKA Microcircuits LLC
www.cadeka.com
6
CADEKA [ CADEKA MICROCIRCUITS LLC. ]
