参数资料
型号: ISLA212P20IRZ
厂商: Intersil
文件页数: 6/36页
文件大小: 0K
描述: IC ADC 12BIT SRL/SPI 72QFN
标准包装: 1
系列: FemtoCharge™
位数: 12
采样率(每秒): 200M
数据接口: 串行,SPI?
转换器数目: 1
功率耗散(最大): 468mW
电压电源: 模拟和数字
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 72-VFQFN 裸露焊盘
供应商设备封装: 72-QFN(10x10)
包装: 托盘
输入数目和类型: *
ISLA212P
14
FN7717.2
November 30, 2012
Overvoltage Recovery
tOVR
1cycles
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 = 250MSPS.
FIGURE 3. SNR AND SFDR vs fIN
FIGURE 4. HD2 AND HD3 vs fIN
0
100
200
300
400
500
600
SFDR @ 250MSPS
SNR
(dB
F
S
)
AND
SFDR
(d
Bc
)
INPUT FREQUENCY (MHz)
SFDR @ 130MSPS
SNR @ 130MSPS
SNR @ 250MSPS
60
65
70
75
80
85
90
95
-105
-100
-95
-90
-85
-80
-75
-70
-65
-60
0
100
200
300
400
500
600
HD2
AND
HD3
MAGNITUDE
(
d
B
c
)
INPUT FREQUENCY (MHz)
HD2 @ 250MSPS
HD3 @ 250MSPS
HD3 @ 130MSPS
HD2 @ 130MSPS
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