參數(shù)資料
型號: LTC1402IGN
廠商: LINEAR TECHNOLOGY CORP
元件分類: ADC
英文描述: Serial 12-Bit, 2.2Msps Sampling ADC with Shutdown
中文描述: 1-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO16
封裝: 0.150 INCH, PLASTIC, SSOP-16
文件頁數(shù): 6/20頁
文件大?。?/td> 251K
代理商: LTC1402IGN
6
LTC1402
4V
P-P
Power Bandwidth and
100mV
P-P
Small-Signal
Bandwidth
IMD Spectrum Plot (Bipolar)
Sine Wave Spectrum Plot
(Unipolar) 5V Supply
FREQUENCY (MHz)
–15
–20
A
–5
–10
5
0
0.1
10
100
1000
1402 F07
–25
1
100mV
P-P
4V
P-P
Sine Wave Spectrum Plot
(Bipolar) Dual
±
5V Supply
IMD Spectrum Plot (Unipolar)
FREQUENCY (MHz)
0
A
–70
–80
–90
–100
–110
–120
2ND
4TH
6TH
3RD
5TH
–10
–20
0
10
1402 G08
–30
–40
–50
–60
0.55
1.11
f
SAMPLE
= 2222222.22Hz
f
2048 SAMPLES
FREQUENCY (MHz)
0
A
–70
–80
–90
–100
–110
–120
2ND
–10
–20
0
10
1402 G09
–30
–40
–50
–60
0.55
1.11
4TH
3RD
5TH
6TH
f
SAMPLE
= 2222222.22Hz
f
2048 SAMPLES
Sine Wave Spectrum Plot
(Bipolar)
±
5V Supply
FREQUENCY (MHz)
0
A
0.59
1.18
1402 G10
10
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
f
A
– f
B
2f
B
f
A
– 2f
B
3f
B
2f
A
– f
B
2f
A
+ f
B
f
A
+ 2f
B
3f
A
f
A
– f
B
2f
A
f
SAMPLE
= 2352941.18Hz
f
SINEA
= 1250000Hz
±
1V INTO A
IN+
f
SINEB
= 1199449Hz
±
1V INTO A
IN–
IMD = 83.9dB
2048 SAMPLES
FREQUENCY (MHz)
0
A
–70
–80
–90
–100
–110
–120
2ND
4TH
6TH
–10
–20
0
10
1402 G11
–30
–40
–50
–60
0.55
1.11
3RD
5TH
f
SAMPLE
= 2222222.22Hz
f
2048 SAMPLES
Sine Wave Spectrum Plot
(Unipolar) 5V Supply
FREQUENCY (MHz)
0
A
–70
–80
–90
–100
–110
–120
2ND
–10
–20
0
10
1402 G12
–30
–40
–50
–60
0.55
1.11
4TH
6TH
3RD
5TH
f
SAMPLE
= 2222222.22Hz
f
2048 SAMPLES
FREQUENCY (MHz)
0
A
0.59
1.18
1402 G13
10
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
f
A
– f
B
2f
B
2f
A
– f
B
, f
A
+ 2f
B
2f
A
+ f
B
f
A
– 2f
B
f
A
+ f
B
2f
A
3f
A
f
SAMPLE
= 2352941.18Hz
f
= 1250000Hz INTO A
IN+
,
1.5V TO 3.5V
f
= 1199449Hz INTO A
IN–
,
1.5V TO 3.5V
IMD = –84.1dB
2048 SAMPLES
3f
B
PSRR vs Frequency
FREQUENCY (MHz)
–60
R
–40
–30
–10
0
0.1
10
100
1000
1402 G18
–80
1
–20
–50
–70
V
CC
V
SS
V
DD
DGND
Load Regulation for V
REF
LOAD CURRENT (mA)
0
4.040
I
4.050
.4.060
4070
4.080
4.090
4.100
0.4
0.8
1.2
1.6
1402 G20
2.0
TYPICAL PERFOR U
Unipolar Mode Plots Run with a Single 5V Supply. V
DD
= 5V, V
SS
= –5V for Bipolar, V
DD
= 5V, V
SS
= 0V for Unipolar), T
A
= 25
°
C.
(Bipolar Mode Plots Run with Dual
±
5V Supplies.
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