參數(shù)資料
型號(hào): MAX1036
廠商: Maxim Integrated Products, Inc.
英文描述: 2.7V to 5.5V, Low-Power, 4-/12-Channel 2-Wire Serial 8-Bit ADCs
中文描述: 2.7V至5.5V、低功耗、4/12通道、2線串口8位ADC
文件頁數(shù): 13/22頁
文件大小: 427K
代理商: MAX1036
a START condition followed by 7 address bits and a
read bit (R/
W
= 1). If the address byte is successfully
received, the MAX1036
MAX1039 (slave) issue an
acknowledge. The master then reads from the slave.
After the master has received the results, it can issue
an acknowledge if it wants to continue reading or a not
acknowledge if it no longer wishes to read. If the
MAX1036
MAX1039 receive a not acknowledge, they
release SDA allowing the master to generate a STOP
or repeated START. See the
Clock Mode
and
Scan
Mode
sections for detailed information on how data is
obtained and converted.
Clock Mode
The clock mode determines the conversion clock, the
acquisition time, and the conversion time. The clock
mode also affects the scan mode. The state of the
setup byte
s CLK bit determines the clock mode (Table
1). At power-up, the MAX1036
MAX1039 default to
internal clock mode (CLK = zero).
Internal Clock
When configured for internal clock mode (CLK = zero),
the MAX1036
MAX1039 use their internal oscillator as
the conversion clock. In internal clock mode, the
MAX1036
MAX1039 begin tracking analog input on the
ninth falling clock edge of a valid slave address byte.
Two internal clock cycles later, the analog signal is
acquired and the conversion begins. While tracking
and converting the analog input signal, the
MAX1036
MAX1039 hold SCL low (clock stretching).
After the conversion completes, the results are stored
M
2.7V to 5.5V, Low-Power, 4-/12-Channel
2-Wire Serial 8-Bit ADCs
______________________________________________________________________________________
13
1
1
0
1
0
0
0
R/W
A
SLAVE ADDRESS
S
SCL
SDA
1
2
3
4
5
6
7
8
9
DEVICE
SLAVE ADDRESS
1100100
1100101
MAX1036/MAX1037
MAX1038/MAX1039
Figure 7. MAX1036/MAX1037 Slave Address Byte
0
0
0
1
0
X
X
X
A
HS-MODE MASTER CODE
SCL
SDA
S
Sr
F/S-MODE
HS-MODE
Figure 8. F/S-Mode to HS-Mode Transfer
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