At TA = +25°C, f
參數(shù)資料
型號(hào): ADS7812UB/1K
廠商: Texas Instruments
文件頁數(shù): 20/24頁
文件大?。?/td> 0K
描述: IC 12BIT 35MW SER OUT A/D 16SOIC
產(chǎn)品培訓(xùn)模塊: Data Converter Basics
標(biāo)準(zhǔn)包裝: 1,000
位數(shù): 12
采樣率(每秒): 40k
數(shù)據(jù)接口: 串行,SPI?
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 35mW
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: 16-SOIC(0.295",7.50mm 寬)
供應(yīng)商設(shè)備封裝: 16-SOIC
包裝: 帶卷 (TR)
輸入數(shù)目和類型: 3 個(gè)單端,單極;3 個(gè)單端,雙極
ADS7812
5
SBAS042A
www.ti.com
TYPICAL PERFORMANCE CURVES
At TA = +25°C, fS = 40kHz, VS = +5V, ±10V input range, using internal reference, unless otherwise noted.
0
–20
–40
–60
–80
–100
–120
FREQUENCY SPECTRUM
(8192 Point FFT; f
IN = 980Hz, 0dB)
020
515
10
Frequency (kHz)
Amplitude
(dB)
0
–20
–40
–60
–80
–100
–120
FREQUENCY SPECTRUM
(8192 Point FFT; f
IN = 9.8kHz, 0dB)
020
515
10
Frequency (kHz)
Amplitude
(dB)
SNR AND SINAD vs TEMPERATURE
(f
IN = 1kHz, 0dB)
Temperature (°C)
SNR
and
SINAD
(dB)
77
76
75
74
73
72
71
–25
–50
0
25
50
75
100
SNR and SINAD
SFDR AND THD vs TEMPERATURE
(f
IN = 1kHz, 0dB)
Temperature (°C)
SFDR
(dB)
THD
(dB)
100
99
98
97
96
95
94
–100
–99
–98
–97
–96
–95
–94
–25
–50
0
25
50
75
100
THD
SFDR
SIGNAL-TO-(NOISE + DISTORTION)
vs INPUT FREQUENCY (f
IN = 0dB)
Input Signal Frequency (Hz)
SINAD
(dB)
74.0
73.8
73.6
73.4
73.2
73.0
100
1k
10k
20k
INTERNAL REFERENCE VOLTAGE
vs TEMPERATURE
Temperature (°C)
Internal
Reference
(V)
2.515
2.510
2.505
2.500
2.495
2.490
2.485
–25
–50
0
25
50
75
100
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