參數(shù)資料
型號： MAX152CPP+
廠商： Maxim Integrated Products
文件頁數(shù)： 11/12頁
文件大?。?/td> 0K
描述： IC ADC 8BIT 1UA PWR-DWN 20-DIP
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 18
位數(shù)： 8
采樣率（每秒）： 400k
數(shù)據(jù)接口： 并聯(lián)
轉(zhuǎn)換器數(shù)目： 3
功率耗散（最大）： 889mW
電壓電源： 雙 ±
工作溫度： 0°C ~ 70°C
安裝類型： 通孔
封裝/外殼： 20-DIP（0.300"，7.62mm）
供應(yīng)商設(shè)備封裝： 20-PDIP
包裝： 管件
輸入數(shù)目和類型： 1 個單端，單極；1 個單端，雙極
MAX152
A minimum acquisition time (tP) is required from INT
going low to the start of another conversion (
WR going
low).
Options for reading data from the converter include the
following:
Using Internal Delay
The P waits for the
INT output to go low before read-
ing the data (Figure 4).
INT goes low after the rising
edge of
WR, indicating that the conversion is complete
and the result is available in the output latch. With
CS
low, data outputs D0-D7 can be accessed by pulling
RD low. INT is then reset by the rising edge of CS or
RD.
Fastest Conversion: Reading Before Delay
An external method of controlling the conversion time is
shown in Figure 5. The internally generated delay
tINTL varies slightly with temperature and supply volt-
age, and can be overridden with
RD to achieve the
fastest conversion time.
RD is brought low after the ris-
ing edge of
WR, but before INT goes low. This com-
pletes the conversion and enables the output buffers
(D0-D7) that contain the conversion result.
INT also
goes low after the falling edge of
RD and is reset on the
rising edge of
RD or CS. The total conversion time is
therefore: tCWR = tWR (600ns) + tRD (800ns) + tACC1
(400ns) = 1800ns.
Stand-Alone Operation
Besides the two standard WR-RD mode options, stand-
alone operation can be achieved by connecting
CS
and
RD low (Figure 6). A conversion is initiated by
pulling
WR low. Output data can be read by either
edge of the next
WR pulse.
+3V, 8-Bit ADC with 1A Power-Down
8
_______________________________________________________________________________________
tP
tINTL
WR
INT
NEW DATA
tWR
tIHWR
tID
OLD DATA
D0-D7
Figure 6. Stand-Alone Mode Timing (
CS = RD = 0) (MODE = 1)
VREF-
MAX152
VDD
0.1F
VIN
VREF+
VIN+
VIN-
GND
+3V
1
10
20
12
11
4.7F
Figure 7a. Power Supply as Reference
+3V
0.1
F
4
VREF-
MAX152
VREF+
VIN
8
1
3
7
0.1
F
4.7
F
2
6
GND
VDD
10
1
20
12
11
+2.5V
34.8k
3.01k
LM10
VIN+
VIN-
Figure 7b. External Reference, +2.5V Full Scale
+3V
0.1F
12
VREF-
MAX152
VREF+
VIN
10
1
20
11
0.1F
4.7F
GND
VDD
0.1F
VIN-
1.2V
VIN+
*CURRENT PATH MUST STILL
EXIST FROM VIN- TO GND.
Figure 7c. Input Not Referenced to GND
+3V
PWRDN
C1
2.2F
MTD3055EL
N
MAX152
VREF-
VDD
VREF+
PWRDN
MAX872
+
Figure 7d. An N-channel MOSFET switches off the reference
load during power-down.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX152CPP+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 8-Bit 400ksps 3V 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
MAX152CWP 功能描述:模數(shù)轉(zhuǎn)換器 - ADC Integrated Circuits (ICs) 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
MAX152CWP+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 8-Bit 400ksps 3V 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
MAX152CWP+T 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 8-Bit 400ksps 3V 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
MAX152CWP-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
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