參數(shù)資料
型號： MAX1039AEEE
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： ADC
英文描述： LJT 8C 8#20 PIN RECP
中文描述： 12-CH 8-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO16
封裝： 0.150 INCH, MO-137, QSOP-16
文件頁數(shù)： 9/22頁
文件大小： 427K
代理商： MAX1039AEEE
of the address byte (see the
Slave Address
section).
The T/H circuitry enters hold mode two internal clock
cycles later. A conversion or series of conversions are
then internally clocked (eight clock cycles per conver-
sion) and the MAX1036
–
MAX1039 hold SCL low. When
operating in external clock mode, the T/H circuitry
enters track mode on the seventh falling edge of a valid
slave address byte. Hold mode is then entered on the
falling edge of the eighth clock cycle. The conversion is
performed during the next eight clock cycles.
The time required for the T/H circuitry to acquire an
input signal is a function of input capacitance. If the
analog input source impedance is high, the acquisition
time lengthens and more time must be allowed
between conversions. The acquisition time (t
ACQ
) is the
minimum time needed for the signal to be acquired. It
is calculated by:
t
ACQ
≥
6.25
(R
SOURCE
+ R
IN
)
C
IN
where R
SOURCE
is the analog input source impedance,
R
IN
= 2.5k
, and C
IN
= 18pF. t
ACQ
is 1/f
SCL
for external
clock mode. For internal clock mode, the acquisition
time is two internal clock cycles. To select R
SOURCE
,
allow 625ns for t
ACQ
in internal clock mode to account
for clock frequency variations.
M
2.7V to 5.5V, Low-Power, 4-/12-Channel
2-Wire Serial 8-Bit ADCs
_______________________________________________________________________________________
9
t
HD.STA
t
SU.DAT
t
HIGH
t
R
t
F
t
HD.DAT
t
HD.STA
S
Sr
A
SCL
SDA
t
SU.STA
t
LOW
t
BUF
t
SU.STO
P
S
t
HD.STA
t
SU.DAT
t
HIGH
t
FCL
t
HD.DAT
t
HD.STA
S
Sr
A
SCL
SDA
t
SU.STA
t
LOW
t
BUF
t
SU.STO
S
t
RCL
t
RCL1
HS-MODE
F/S-MODE
A. F/S-MODE I
2
C SERIAL INTERFACE TIMING
B. HS-MODE I
2
C SERIAL INTERFACE TIMING
t
FDA
t
RDA
t
t
R
t
F
Figure 1. I
2
C Serial Interface Timing
V
DD
I
OL
= 3mA
I
OH
= 0mA
V
OUT
400pF
SDA
Figure 2. Load Circuit
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1039AEEE+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 3.3V 12-Bit 4Ch I2C Serial RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX1039AEEE+T 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 3.3V 12-Bit 4Ch I2C Serial RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX1039AEEE-T 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX1039KAEEE 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX1039LAEEE 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
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