TYPICAL PERFORMANCE CURVES (Cont.) At TA
參數(shù)資料
型號: ADS7818E/250G4
廠商: Texas Instruments
文件頁數(shù): 18/21頁
文件大?。?/td> 0K
描述: IC 12BIT 500KHZ ADC CONV 8-MSOP
產(chǎn)品培訓(xùn)模塊: Data Converter Basics
標(biāo)準(zhǔn)包裝: 250
位數(shù): 12
采樣率(每秒): 500k
數(shù)據(jù)接口: 串行
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 20mW
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: 8-TSSOP,8-MSOP(0.118",3.00mm 寬)
供應(yīng)商設(shè)備封裝: 8-MSOP
包裝: 帶卷 (TR)
輸入數(shù)目和類型: 1 個差分,單極
配用: 296-19913-ND - EVAL MOD FOR ADS7818
6
ADS7818
TYPICAL PERFORMANCE CURVES (Cont.)
At TA = +25°C, VCC = +5V, fSAMPLE = 500kHz, fCLK = 16 fSAMPLE, and internal +2.5V reference, unless otherwise specified.
CHANGE IN SIGNAL-TO-NOISE RATIO
and SIGNAL-TO-(NOISE+DISTORTION)
vs TEMPERATURE
–20
–40
100
Temperature (
°C)
Delta
from
+25
°C
(dB)
0.2
0.1
0.0
–0.1
–0.2
–0.3
0.3
0
20
40
60
80
SINAD
SNR
f
IN = 100kHz, –0.2dB
CHANGE IN SPURIOUS FREE DYNAMIC RANGE
AND TOTAL HARMONIC DISTORTION
vs TEMPERATURE
–20
–40
100
Temperature (
°C)
SFDR
Delta
from
+25
°C
(dB)
THD
Delta
from
+25
°C
(dB)
0.5
0.0
–0.5
–1.0
–1.5
–2.0
1.0
–0.5
0.0
0.5
1.0
1.5
2.0
–1.0
0
20
40
60
80
THDh
SFDR
h First nine harmonics
f
IN = 100kHz, –0.2dB
of the input frequency
0
FREQUENCY SPECTRUM
(4096 Point FFT; f
IN = 247kHz, –0.2dB)
Amplitude
(dB)
–100
–80
–60
–40
–20
0
250
62.5
187.5
125
Frequency (kHz)
–120
SPURIOUS FREE DYNAMIC RANGE AND
TOTAL HARMONIC DISTORTION
vs INPUT FREQUENCY
10k
100k
1k
1M
Input Frequency (Hz)
SFDR
(dB)
THD
(dB)
85
80
75
70
65
90
85
80
75
70
65
90
THDh
h First nine harmonics
of the input frequency
SFDR
SIGNAL-TO-NOISE RATIO and
SIGNAL-TO-(NOISE+DISTORTION)
vs INPUT FREQUENCY
10k
100k
1k
1M
Input Frequency (Hz)
SNR
and
SINAD
(dB)
74
72
70
68
66
64
76
SINAD
SNR
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