参数资料
型号: LTC2175IUKG-14#PBF
厂商: Linear Technology
文件页数: 4/34页
文件大小: 0K
描述: IC ADC 14BIT SER 125MSPS 52-QFN
标准包装: 45
位数: 14
采样率(每秒): 125M
数据接口: Serial LVDS
转换器数目: 4
功率耗散(最大): 646mW
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: 52-WFQFN 裸露焊盘
供应商设备封装: 52-QFN(7x8)
包装: 管件
输入数目和类型: 2 Differential; 2 Single-Ended
配用: DC1371A-ND - BOARD USB DATA ACQUISITION HS
LTC2175-14/
LTC2174-14/LTC2173-14
12
21754314fa
Typical perForMance characTerisTics
LTC2175-14: SFDR vs Input Level,
fIN = 70MHz, 2V Range, 125Msps
LTC2175-14: IVDD vs Sample Rate,
5MHz Sine Wave Input, –1dB
INPUT LEVEL (dBFS)
–80
60
50
40
30
20
10
0
80
70
SFDR
(dBc
AND
dBFS)
90
100
110
–70 –60 –50 –40 –30 –20 –10
0
217514 G11
dBFS
dBc
INPUT FREQUENCY (MHz)
0
90
85
80
75
70
65
95
SFDR
(dBFS)
50
100 150 200
250 300 350
217514 G10
LTC2175-14: SFDR vs Input
Frequency, –1dB, 2V Range,
125Msps
IOVDD vs Sample Rate, 5MHz Sine
Wave Input, –1dB
LTC2175-14: SNR vs SENSE,
fIN = 5MHz, –1dB
LTC2174-14: Integral Nonlinearity
(INL)
LTC2174-14: Differential
Nonlinearity (DNL)
LTC2174-14: 8k Point FFT, fIN = 5MHz
–1dBFS, 105Msps
SENSE PIN (V)
0.6
71
68
69
70
67
66
72
73
74
SNR
(dBFS)
0.7
0.8
0.9
1.1
1.2
1.3
1
217514 G12
OUTPUT CODE
0
–2.0
–0.5
–1.0
–1.5
INL
ERROR
(LSB)
0
0.5
1.0
1.5
2.0
4096
8192
12288
16384
217514 G14
OUTPUT CODE
0
–1.0
–0.4
–0.2
–0.6
–0.8
DNL
ERROR
(LSB)
0
0.4
0.2
0.6
0.8
1.0
4096
8192
12288
16384
217514 G15
FREQUENCY (MHz)
0
–100
–110
–120
–70
–60
–80
–90
AMPLITUDE
(dBFS) –50
–30
–40
–20
–10
0
10
20
30
40
50
217514 G16
SAMPLE RATE (Msps)
290
280
270
260
250
240
230
220
210
I VDD
(mA)
0
25
50
75
100
125
217514 G53
SAMPLE RATE (Msps)
50
40
30
20
10
0
IO
VDD
(mA)
0
25
50
75
100
125
217514 G51
1-LANE, 1.75mA
2-LANE, 3.5mA
2-LANE, 1.75mA
1-LANE, 3.5mA
INPUT LEVEL (dBFS)
60
50
40
30
20
10
0
80
70
SNR
(dBc
AND
dBFS)
–60
–50
–40
–30
–20
–10
0
217514 G50
dBFS
dBc
LTC2175-14: SNR vs Input Level,
fIN = 70MHz, 2V Range, 125Msps
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