參數(shù)資料
型號: MAX1300AEUG
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: ADC
英文描述: 8-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO24
封裝: 4.40 MM, MO-153AD, TSSOP-24
文件頁數(shù): 8/35頁
文件大小: 1084K
代理商: MAX1300AEUG
MAX1300/MAX1301
Figure 8 illustrates the software-selectable differential
analog input voltage range that produces a valid digital
output. Each analog input differential pair can be inde-
pendently programmed to one of three differential input
ranges by setting the R[2:0] control bits with DIF/SGL = 1.
Regardless of the specified input voltage range and
whether the channel is selected, each analog input is
±16.5V fault tolerant. The analog input fault protection
is active whether the device is unpowered or powered.
Any voltage beyond FSR, but within the ±16.5V fault-
tolerant range, applied to an analog input results in a
full-scale output voltage for that channel.
Clamping diodes with breakdown thresholds in excess
of 16.5V protect the MAX1300/MAX1301 analog inputs
during ESD and other transient events (Figure 6). The
clamping diodes do not conduct during normal device
operation, nor do they limit the current during such
transients. When operating in an environment with the
potential for high-energy voltage and/or current tran-
sients, protect the MAX1300/MAX1301 externally.
8- and 4-Channel, ±3 x VREF Multirange Inputs,
Serial 16-Bit ADCs
16
______________________________________________________________________________________
CS
SCLK
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
DIN
S
C2
C1
C0
0000
ANALOG INPUT
TRACK AND HOLD*
HOLD
DOUT
B15
B14
B13
B12
B11
B10
B9
B8
B7
B6
B5
B4
B3
B2
B1
B0
BYTE 1
BYTE 2
BYTE 3
BYTE 4
SSTRB
INTCLK**
1
2
3
14
15
16
17
TRACK
HOLD
tACQ
100ns to 400ns
fINTCLK
≈ 4.5MHz
fSAMPLE
≈ fSCLK / 32 + fINTCLK / 17
*TRACK AND HOLD TIMING IS CONTROLLED BY SCLK.
**INTCLK IS AN INTERNAL SIGNAL AND IS NOT ACCESSIBLE TO THE USER.
SAMPLING INSTANT
HIGH IMPEDANCE
Figure 3. External Acquisition-Mode Conversion (Mode 1)
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