參數(shù)資料
型號： MAX1158AEUP
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： ADC
英文描述： 14-Bit, 135ksps, Single-Supply ADCs with Bipolar Analog Input Range
中文描述： 1-CH 14-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PDSO20
封裝： 4.40 MM, TSSOP-20
文件頁數(shù)： 8/15頁
文件大?。?/td> 298K
代理商： MAX1158AEUP
M
Power-Down Modes
Select standby mode or shutdown mode with the R/
C
bit during the second falling edge of
CS
(see the
Selecting Standby or Shutdown Mode
section). The
MAX1156/MAX1158/MAX1174 automatically enter
either standby mode (reference and buffer on) or shut-
down (reference and buffer off) after each conversion,
depending on the status of R/
C
during the second
falling edge of
CS
.
Internal Clock
The MAX1156/MAX1158/MAX1174 generate an internal
conversion clock to free the microprocessor from the
burden of running the SAR conversion clock. Total con-
version time (t
CONV
) after entering hold mode (second
falling edge of
CS
) to end of conversion (
EOC
) falling is
4.7μs (max).
Applications Information
Starting a Conversion
CS
and R/
C
control acquisition and conversion in the
MAX1156/MAX1158/MAX1174 (see Figure 2). The first
falling edge of
CS
powers up the device and puts it in
acquire mode if R/
C
is low. The convert start is ignored
if R/
C
is high. The MAX1156/MAX1158/MAX1174 need
at least 12ms (C
REFADJ
= 0.1μF, C
REF
= 10μF) for the
internal reference to wake up and settle before starting
the conversion, if powering up from shutdown.
14-Bit, 135ksps, Single-Supply ADCs with
Bipolar Analog Input Range
8
_______________________________________________________________________________________
CS
R/C
REF POWER-
DOWN CONTROL
EOC
t
ACQ
t
CONV
t
CSH
t
CSL
t
DH
t
DO
t
EOC
t
DS
t
DV
HBEN
D7/D15
–
D0/D8
HIGH/LOW
BYTE VALID
HIGH/LOW
BYTE VALID
t
DO
t
DO1
HIGH-Z
t
BR
HIGH-Z
Figure 2. MAX1156/MAX1158/MAX1174 Timing Diagram
D0
–
D7
OR
D8
–
D13
μ
P DATA
BUS
AV
DD
DV
DD
AGND DGND
+5V ANALOG
+5V DIGITAL
ANALOG INPUT
AIN
HBEN
EOC
CS
R/C
REF
REFADJ
HIGH
BYTE
LOW
BYTE
10
μ
F
0.1
μ
F
0.1
μ
F
0.1
μ
F
MAX1156
MAX1158
MAX1174
Figure 3. Typical Application Circuit for the MAX1156/MAX1158/
MAX1174
相關(guān)PDF資料
PDF描述
MAX1158BCUP 14-Bit, 135ksps, Single-Supply ADCs with Bipolar Analog Input Range
MAX1158BEUP 14-Bit, 135ksps, Single-Supply ADCs with Bipolar Analog Input Range
MAX1156 Low-Voltage Adjustable Precision Shunt Regulator 3-SOT-89 0 to 70
MAX1174BCUP 14-Bit, 135ksps, Single-Supply ADCs with Bipolar Analog Input Range
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1158AEUP+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 14-Bit 135ksps 4.2V Precision 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
MAX1158AEUP+T 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 14-Bit 135ksps 4.2V Precision 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
MAX1158AEUP-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
MAX1158BCUP 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
MAX1158BCUP+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 14-Bit 135ksps 4.2V Precision 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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