参数资料
型号: LTC2246IUH#TRPBF
厂商: Linear Technology
文件页数: 2/24页
文件大小: 0K
描述: IC ADC 14BIT 25MSPS SAMPL 32-QFN
标准包装: 2,500
位数: 14
采样率(每秒): 25M
数据接口: 并联
转换器数目: 1
功率耗散(最大): 90mW
电压电源: 单电源
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 32-WFQFN 裸露焊盘
供应商设备封装: 32-QFN 裸露焊盘(5x5)
包装: 带卷 (TR)
输入数目和类型: 1 个单端,双极; 1 个差分,双极
LTC2248/LTC2247/LTC2246
10
224876fa
CODE
8179 8180 8181 8182 8183 8184 8185 8186
3227
278
18803
22016
853
6919
43
COUNT
2246 G08
25000
20000
15000
10000
5000
0
INPUT FREQUENCY (MHz)
0
SNR
(dBFS)
200
2246 G09
50
100
150
75
74
73
72
71
70
13373
FREQUENCY (MHz)
0
AMPLITUDE
(dB)
2246 G07
24
68
10
12
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
SAMPLE RATE (Msps)
I VDD
(mA)
2246 G14
35
30
25
20
15
0
10
20
515
25
30
35
0
10
20
515
25
30
35
2V RANGE
1V RANGE
INPUT LEVEL (dBFS)
SNR
(dBc
AND
dBFS)
2246 G12
80
70
60
50
40
30
20
10
0
–60
–40
–50
–20
–30
–10
0
SAMPLE RATE (Msps)
0
SNR
AND
SFDR
(dBFS)
110
100
90
80
70
60
2246 G11
10
20
30
40
50
SNR
INPUT FREQUENCY (MHz)
0
100
95
90
85
80
75
70
65
150
2246 G10
50
100
200
SFDR
(dBFS)
INPUT LEVEL (dBFS)
–60
– 50
– 40
–20
–30
–10
0
2246 G13
SFDR
(dBc
AND
dBFS)
120
110
100
90
80
70
60
50
40
30
20
dBFS
dBc
90dBc SFDR
REFERENCE LINE
SAMPLE RATE (Msps)
I OVDD
(mA)
2246 G15
3
2
1
0
dBFS
dBc
SFDR
TYPICAL PERFOR A CE CHARACTERISTICS
UW
LTC2246: 8192 Point 2-Tone FFT,
fIN = 10.9MHz and 13.8MHz,
–1dB, 2V Range, 25Msps
LTC2246: Grounded Input
Histogram, 25Msps
LTC2246: SNR vs Input Frequency,
–1dB, 2V Range, 25Msps
LTC2246: SFDR vs Input
Frequency, –1dB, 2V Range,
25Msps
LTC2246: SNR and SFDR vs
Sample Rate, 2V Range,
fIN = 5MHz, –1dB
LTC2246: SNR vs Input Level,
fIN = 5MHz, 2V Range, 25Msps
LTC2246: IOVDD vs Sample Rate,
5MHz Sine Wave Input, –1dB,
OVDD = 1.8V
LTC2246: IVDD vs Sample Rate,
5MHz Sine Wave Input, –1dB
LTC2246: SFDR vs Input Level,
fIN = 5MHz, 2V Range, 25Msps
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