參數資料
型號: MX7705EWE+T
廠商: Maxim Integrated Products
文件頁數: 3/33頁
文件大小: 0K
描述: IC ADC 16BIT 2CH 16-SOIC
產品培訓模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 1,000
位數: 16
采樣率(每秒): 500
數據接口: MICROWIRE?,QSPI?,串行,SPI?
轉換器數目: 1
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)
供應商設備封裝: 16-SOIC W
包裝: 帶卷 (TR)
輸入數目和類型: 2 個差分,單極
MX7705
16-Bit, Low-Power, 2-Channel,
Sigma-Delta ADC
______________________________________________________________________________________
11
Table 4. Peak-to-Peak Resolution vs. Gain and Output Data Rate (VDD = 3V)
TYPICAL PEAK-TO-PEAK RESOLUTION (BITS)
GAIN
FILTER FIRST
NOTCH AND
OUTPUT DATA RATE
-3dB FREQUENCY
1
2
4
8
16
32
64
128
BUFFERED (fCLKIN = 1MHz)
20Hz
5.24Hz
16
15
14
13
12
25Hz
6.55Hz
16
15
14
13
12
100Hz
26.2Hz
12
11
200Hz
52.4Hz
10
9
UNBUFFERED (fCLKIN = 1MHz)
20Hz
5.24Hz
16
15
14
13
12
25Hz
6.55Hz
16
15
14
13
12
100Hz
26.2Hz
12
14
12
11
200Hz
52.4Hz
10
9
BUFFERED (fCLKIN = 2.4576MHz)
50Hz
13.1Hz
16
15
14
13
12
60Hz
15.72Hz
16
15
14
13
12
250Hz
65.5Hz
12
11
500Hz
131Hz
10
11
10
9
UNBUFFERED (fCLKIN = 2.4576MHz)
50Hz
13.1Hz
16
15
14
13
12
60Hz
15.72Hz
16
15
14
13
12
250Hz
65.5Hz
12
11
500Hz
131Hz
10
9
TYPICAL OUTPUT NOISE
MX7705
toc01
READING NUMBER
CODE
READ
1600
1200
800
400
32758
32760
32762
32764
32766
32768
32770
32772
32774
32776
32756
0
2000
VDD = 5V,
VREF = 2.5V
GAIN = 128
ODR = 60Hz
RMS NOISE = 1.3
μV
HISTOGRAM OF TYPICAL OUTPUT NOISE
MX7705
toc02
CODE
OCCURENCE
32773
32772
32771
32770
32769
32768
32767
32766
32765
32764
32763
32762
32761
100
200
300
400
0
32760
VDD = 5V, VREF = 2.5V
GAIN = 128
ODR = 60Hz
RMS NOISE = 1.3
μV
OFFSET ERROR vs. SUPPLY VOLTAGE (3V)
MX7705
toc03
SUPPLY VOLTAGE (V)
OFFSET
ERROR
(%FSR)
3.45
3.30
3.15
3.00
2.85
-0.0010
-0.0005
0
0.0005
0.0010
0.0015
-0.0015
2.70
3.60
VDD = 3V
Typical Operating Characteristics
(VDD = 3V or 5V, VREF+ = 1.225V for VDD = 3V, VREF+ = 2.5V for VDD = 5V, VREF- = GND, TA = +25°C, unless otherwise noted.)
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