參數(shù)資料
型號: LTC1279ISW
廠商: LINEAR TECHNOLOGY CORP
元件分類: ADC
英文描述: 12-Bit, 600ksps Sampling A/D Converter with Shutdown
中文描述: 1-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PDSO24
封裝: 0.300 INCH, PLASTIC, SO-24
文件頁數(shù): 6/16頁
文件大小: 327K
代理商: LTC1279ISW
6
LTC1279
TYPICAL PERFOR
M
A
N
CE CHARACTERISTICS
INPUT FREQUENCY (Hz)
10k
S
80
70
60
50
40
30
20
10
0
100k
1M
10M
1279 G04
f
SAMPLE
= 600kHz
V
IN
= –60dB
V
IN
= –20dB
V
IN
= 0dB
S/(N + D) vs Input Frequency
and Amplitude
INPUT FREQUENCY (Hz)
10k
A
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
100k
1M
1279 G06
2M
THD
2ND HARMONIC
3RD HARMONIC
f
SAMPLE
= 600kHz
Distortion vs Input Frequency
Peak Harmonic or Spurious
Noise vs Input Frequency
INPUT FREQUENCY (Hz)
10k
S
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
100k
1M
1279 G07
2M
f
SAMPLE
= 600kHz
INPUT FREQUENCY (Hz)
10k
S
80
70
60
50
40
30
20
10
0
100k
1M
10M
1279 G05
f
SAMPLE
= 600kHz
Signal-to-Noise Ratio (Without
Harmonics) vs Input Frequency
Intermodulation Distortion Plot
SOURCE RESISTANCE (
)
10
A
2500
2000
1500
1000
500
0
100
1k
10k
1279 G09
T
A
= 25
°
C
Acquisition Time vs
Source Impedance
Supply Current vs Temperature
TEMPERATURE (
°
C)
–55
S
D
15
12
9
6
3
0
0
50
75
1279 G10
–25
25
100
125
f
SAMPLE
= 600kHz
RIPPLE FREQUENCY (Hz)
1k
A
P
0
–20
–40
–60
–80
–100
–120
10k
100k
1M
1279 G11
f
SAMPLE
= 600kHz
V
SS
(V
RIPPLE
= 10mV)
A
VDD
(V
RIPPLE
= 1mV)
DGND(V
RIPPLE
= 100mV)
Power Supply Feedthrough vs
Ripple Frequency
LOAD CURRENT (mA)
–8
R
2.435
2.430
2.425
2.420
2.415
2.410
2.405
2.400
2.395
2.390
–6
–4 –3
1
2
1279 G12
–7
–5
–2 –1
0
Reference Voltage vs
Load Current
FREQUENCY (kHz)
0
A
50
100
150
200
1279 G08
250
300
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
f
= 600kHz
fa = 94.189kHz
fb = 97.705kHz
(fb – fa)
(2fa – fb)
(2fa)
(2fb)
(3fa)
(2fb – fa)
(fa) (fb)
(fa + fb)(2fa + fb)
(fa + 2fb)
(3fb)
相關(guān)PDF資料
PDF描述
LTC1279CSW 12-Bit, 600ksps Sampling A/D Converter with Shutdown
LTC1279I 12-Bit, 600ksps Sampling A/D Converter with Shutdown
LTC1279 12-Bit, 600ksps,Sampling A/D Converters with Shutdown(600ksps,12位采樣A/D轉(zhuǎn)換器(帶關(guān)斷))
LTC1282AC 3V 140ksps 12-Bit Sampling A/D Converter with Reference
LTC1282ACN 3V 140ksps 12-Bit Sampling A/D Converter with Reference
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