參數(shù)資料
型號: ADS7864YB/2K
廠商: Texas Instruments
文件頁數(shù): 25/27頁
文件大小: 0K
描述: IC 12BIT 500KHZ 6CH A/D 48-TQFP
產(chǎn)品培訓(xùn)模塊: Data Converter Basics
標(biāo)準(zhǔn)包裝: 2,000
位數(shù): 12
采樣率(每秒): 500k
數(shù)據(jù)接口: 并聯(lián)
轉(zhuǎn)換器數(shù)目: 2
功率耗散(最大): 50mW
電壓電源: 模擬和數(shù)字
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 48-TQFP
供應(yīng)商設(shè)備封裝: 48-TQFP(7x7)
包裝: 帶卷 (TR)
輸入數(shù)目和類型: 12 個單端,雙極;6 個差分,雙極
配用: 296-30697-ND - EVAL MODULE FOR ADS7864M
www.ti.com
TYPICAL CHARACTERISTICS
Frequency (kHz)
0
20
40
60
80
100
120
A
m
p
lit
u
d
e
(d
B
)
0
62.5
125
250
187.5
Frequency (kHz)
0
20
40
60
80
100
120
A
m
p
lit
u
d
e
(d
B
)
0
62.5
125
250
187.5
S
N
R
a
n
d
S
IN
A
D
(d
B
)
10k
100k
1k
1M
Input Frequency (Hz)
75
70
65
60
55
50
SINAD
SNR
1.0
0.6
0.2
0.6
1.0
D
e
lt
a
fr
o
m
+
2
5_
C
(d
B
)
SINAD
Temperature (
_C)
20
40
0
20
40
60
80
ADS7864
SBAS141A – SEPTEMBER 2000 – REVISED MARCH 2005
All specifications T
A = +25°C, +VA = +VD = +5V, VREF = internal +2.5V and fCLK = 8MHz, fSAMPLE = 500kHz (unless otherwise
noted)
FREQUENCY SPECTRUM
(4096 Point FFT; fIN = 99.9kHz, –0.2dB)
(4096 Point FFT; fIN = 199.9kHz, -0.2dB)
Figure 1.
Figure 2.
SIGNAL-TO-NOISE RATIO AND
CHANGE IN SIGNAL-TO-NOISE RATIO
SIGNAL-TO-(NOISE+DISTORTION)
AND SIGNAL-TO-(NOISE+DISTORTION)
vs INPUT FREQUENCY
vs TEMPERATURE
Figure 3.
Figure 4.
7
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