參數(shù)資料
型號: ADS7825UE4
廠商: Texas Instruments
文件頁數(shù): 18/21頁
文件大?。?/td> 0K
描述: IC 16BIT 4-CHAN MUX ADC 28-SOIC
產(chǎn)品培訓模塊: Data Converter Basics
標準包裝: 20
位數(shù): 16
采樣率(每秒): 40k
數(shù)據(jù)接口: 串行,并聯(lián)
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 50mW
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: 28-SOIC(0.295",7.50mm 寬)
供應商設備封裝: 28-SOIC
包裝: 管件
輸入數(shù)目和類型: 4 個單端,雙極
6
ADS7825
20.4
20.2
20
19.8
19.6
–50
–25
0
25
50
75
Temperature (°C)
Conversion
Time
(s)
CONVERSION TIME vs TEMPERATURE
100
0.2
0
–0.2
–25
–50
0
25
50
75
100
0.2
0
–0.2
2
1
0
–1
–2
BPZ Error
+FS Error
–FS Error
ENDPOINT ERRORS
Temperature (°C)
mV
From
Ideal
Percent
From
Ideal
Percent
From
Ideal
110
105
100
95
90
85
80
–110
–105
–100
–95
–90
–85
–80
–50
–25
0
25
50
75
Temperature (°C)
SFDR,
SINARD,
and
SNR
(dB)
THD
(dB)
A. C. PARAMETERS vs TEMPERATURE
(f
IN = 1kHz, –0.1dB)
100
SFDR
SNR
THD
SINAD
3
2
1
0
–1
–2
–3
0
8192
16384
24576
32768
40960
49152
57344
65535
Decimal Code
16-Bit
LSBs
3
2
1
0
–1
–2
–3
0
8192
16384
24576
32768
40960
49152
57344
65535
Decimal Code
16-Bit
LSBs
All Codes INL
All Codes DNL
TYPICAL PERFORMANCE CURVES (CONT)
At TA = +25°C, fS = 40kHz, VS1 = VS2 = +5V, using internal reference, unless otherwise noted.
POWER SUPPLY RIPPLE SENSITIVITY
INL/DNL DEGRADATION PER LSB OF P-P RIPPLE
Power Supply Ripple Frequency (Hz)
101
102
103
104
105
106
107
1
10–1
10–2
10–3
10–4
10–5
Linearity
Degradation
(LSB/LSB)
INL
DNL
2.520
2.515
2.510
2.505
2.500
2.495
2.490
2.485
2.480
–50
–25
0
25
50
75
Temperature (°C)
Internal
Reference
(V)
INTERNAL REFERENCE VOLTAGE
vs TEMPERATURE
100
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