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參數(shù)資料
型號: LTC2297IUP#TRPBF
廠商: Linear Technology
文件頁數(shù): 26/28頁
文件大小: 0K
描述: IC ADC DUAL 14BIT 40MSPS 64QFN
標準包裝: 2,000
位數(shù): 14
采樣率(每秒): 40M
數(shù)據(jù)接口: 并聯(lián)
轉換器數(shù)目: 2
功率耗散(最大): 285mW
電壓電源: 單電源
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 64-WFQFN 裸露焊盤
供應商設備封裝: 64-QFN(9x9)
包裝: 帶卷 (TR)
輸入數(shù)目和類型: 2 個單端,雙極; 2 個差分, 雙極
LTC2298/LTC2297/LTC2296
7
229876fa
TYPICAL PERFOR A CE CHARACTERISTICS
UW
LTC2298: SNR and SFDR vs
Sample Rate, 2V Range,
fIN = 5MHz, –1dB
LTC2298: SNR and SFDR vs
Clock Duty Cycle, 65Msps
LTC2298: SNR vs Input Level,
fIN = 30MHz, 2V Range, 65Msps
LTC2298: IOVDD vs Sample Rate,
5MHz Sine Wave Input, –1dB,
OVDD = 1.8V
LTC2298: IVDD vs Sample Rate,
5MHz Sine Wave Input, –1dB
LTC2298: SFDR vs Input Level,
fIN = 30MHz, 2V Range, 65Msps
LTC2298: SFDR vs Input Frequency,
–1dB, 2V Range, 65Msps
INPUT FREQUENCY (MHz)
0
100
95
90
85
80
75
70
65
150
2298 G10
50
100
200
SFDR
(dBFS)
SAMPLE RATE (Msps)
50
SNR
AND
SFDR
(dBFS)
110
100
90
80
70
60
100
2298 G11
60 70 80 90
010 20 30 40
110
CLOCK DUTY CYCLE (%)
SNR
AND
SFDR
(dBFS)
2298 G12
100
95
90
85
80
75
70
30
40
50
55
35
45
60
65
70
SFDR: DCS ON
SNR: DCS ON
SNR: DCS OFF
SFDR: DCS OFF
INPUT LEVEL (dBFS)
–60
– 50
SNR
(dBc
AND
dBFS)
–40
–20
–30
–10
0
2298 G13
80
70
60
50
40
30
20
10
0
dBFS
dBc
INPUT LEVEL (dBFS)
–60
– 50
– 40
–20
–30
–10
0
2298 G14
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 VDD
(mA)
2298 G15
155
145
135
125
115
105
95
0
20
40
50
10
30
60
70
80
2V RANGE
1V RANGE
SAMPLE RATE (Msps)
I OVDD
(mA)
2298 G16
12
10
8
6
4
2
0
20
40
50
10
30
60
70
80
LTC2298: SNR vs Input Frequency,
–1dB, 2V Range, 65Msps
INPUT FREQUENCY (MHz)
0
SNR
(dBFS)
200
2298 G09
50
100
150
75
74
73
72
71
70
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