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參數(shù)資料
| 型號： | MAX149BEPP+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 7/23頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 10BIT SERIAL 20-DIP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 18 |
| 位數(shù)： | 10 |
| 采樣率（每秒）： | 133k |
| 數(shù)據(jù)接口： | MICROWIRE?，QSPI?，串行，SPI? |
| 轉(zhuǎn)換器數(shù)目： | 1 |
| 功率耗散（最大）： | 889mW |
| 電壓電源： | 單電源 |
| 工作溫度： | -40°C ~ 85°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： | 8 個單端，單極；8 個單端，雙極；4 個差分，單極；4 個差分，雙極 |
+2.7V to +5.25V, Low-Power, 8-Channel,
Serial 10-Bit ADCs
MAX148/MAX149
15
delay and maximum sample rate. In external compensa-
tion mode, power-up time is 20ms with a 4.7FF com-
pensation capacitor when the capacitor is initially fully
discharged. From fast power-down, startup time can be
eliminated by using low-leakage capacitors that do not
discharge more than LSB while shut down. In power-
down, leakage currents at VREF cause droop on the
reference bypass capacitor. Figures 12a and 12b show
the various power-down sequences in both external and
internal clock modes.
Figure 11a. External Clock Mode, 15 Clocks/Conversion Timing
Figure 11b. External Clock Mode, 16 Clocks/Conversion Timing
Figure 12a. Timing Diagram Power-Down Modes, External Clock
SCLK
DIN
DOUT
CS
S
CONTROL BYTE 0
CONTROL BYTE 1
S
CONVERSION RESULT 0
B9 B8 B7 B6 B5 B4 B3 B2 B1 B0 S1 S0
CONVERSION RESULT 1
SSTRB
B9 B8 B7 B6 B5 B4 B3 B2 B1 B0 S1 S0
CONTROL BYTE 2
S
1
8
1
15
8
1
SCLK
DIN
DOUT
CS
S
1
8
16
1
8
16
CONTROL BYTE 0
CONTROL BYTE 1
S
CONVERSION RESULT 0
B9 B8 B7 B6 B5 B4 B3 B2 B1 B0 S1 S0
B9 B8 B7 B6
CONVERSION RESULT 1
10 + 2 DATA BITS
INVALID
DATA
VALID
DATA
EXTERNAL
S X X X X X 1 1
S
0 0
X
X X X X X
S
1 1
SOFTWARE
POWER-DOWN
MODE
DOUT
DIN
CLOCK
MODE
SHDN
SETS EXTERNAL
CLOCK MODE
SETS EXTERNAL
CLOCK MODE
SETS SOFTWARE
POWER-DOWN
POWERED UP
HARDWARE
POWER-DOWN
POWERED UP
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX149BEPP+ | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10-Bit 8Ch 133ksps 5.25V 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 |
| MAX149BMAP/PR | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10-Bit 8Ch 133ksps 5.25V 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 |
| MAX149BMAP/PR2 | 制造商:Maxim Integrated Products 功能描述:A/D CONVERTER, 10-BIT, SERIAL, 8-CHANNEL - Rail/Tube |
| MAX149BMAP/PR3 | 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 |
| MAX149BMAP/PR3-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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