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KMB-001LEVALZ Datasheet(PDF) 14 Page - Renesas Technology Corp

Part # KMB-001LEVALZ
Description  High Performance 14-Bit, 125MSPS ADC
PDF  34 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

KMB-001LEVALZ Datasheet(HTML) 14 Page - Renesas Technology Corp

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ISLA214P12
FN7982 Rev 2.00
Page 14 of 34
June 27, 2012
SPI INTERFACE (Notes 13, 14)
SCLK Period
t
CLK
Write Operation
16
cycles
tCLK
Read Operation
16
cycles
CSB
 to SCLKSetup Time
tS
Read or Write
28
cycles
CSB
 after SCLK Hold Time
tH
Write
5
cycles
CSB
 after SCLK↓ Hold Time
tHR
Read
16
cycles
Data Valid to SCLK
 Setup Time
tDS
Write
6
cycles
Data Valid after SCLK
 Hold Time
tDH
Read or Write
4
cycles
Data Valid after SCLK
↓ Time
tDVR
Read
5
cycles
NOTES:
12. The relative propagation delay is the difference in propagation time between any two devices that are matched in temperature and voltage, and is
specified over the full operating temperature and voltage range.
13. SPI Interface timing is directly proportional to the ADC sample period (tS). Values above reflect multiples of a 4ns sample period, and must be scaled
proportionally for lower sample rates. ADC sample clock must be running for SPI communication.
14. The SPI may operate asynchronously with respect to the ADC sample clock.
Switching Specifications Boldface limits apply over the operating temperature range, -40°C to +85°C. (Continued)
PARAMETER
SYMBOL
CONDITION
MIN
(Note 5)
TYP
MAX
(Note 5)
UNITS
Typical Performance Curves
All Typical Performance Characteristics apply under the following conditions unless otherwise noted: AVDD = OVDD = 1.8V, TA = +25°C, AIN = -1dBFS,
fIN = 105MHz, fSAMPLE = 125MSPS.
FIGURE 3. SNR AND SFDR vs fIN
FIGURE 4. HD2 AND HD3 vs fIN
FIGURE 5. SNR AND SFDR vs AIN
FIGURE 6. HD2 AND HD3 vs AIN
55
60
65
70
75
80
85
90
0
100
200
300
400
500
600
INPUT FREQUENCY (MHz)
SFDR @ 125MSPS
SNR @ 125MSPS
0
100
200
300
400
500
600
H3 @ 125MSPS
H2 @ 125MSPS
-55
-60
-65
-70
-75
-85
-80
-90
-95
-100
INPUT FREQUENCY (MHz)
10
20
30
40
50
60
70
80
90
100
-60
-50
-40
-30
-20
-10
0
INPUT AMPLITUDE (dBFS)
SNR (dBFS)
SNR (dBc)
SFDR (dBc)
SFDR (dBFS)
-115
-105
-95
-85
-75
-65
-55
-45
-60
-50
-40
-30
-20
-10
0
INPUT AMPLITUDE (dBFS)
HD2 (dBFS)
HD3 (dBFS)
HD2 (dBc)
HD3(dBc)



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