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參數(shù)資料
| 型號： | MAX1112EPP+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 6/20頁 |
| 文件大小： | 0K |
| 描述： | IC ADC 8BIT LP 20-DIP |
| 標(biāo)準(zhǔn)包裝： | 18 |
| 位數(shù)： | 8 |
| 采樣率（每秒）： | 50k |
| 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）： | 680µW |
| 電壓電源： | 單電源 |
| 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： | 8 個單端，單極；8 個單端，雙極；4 個偽差分，單極；4 個偽差分，雙極 |
MAX1112/MAX1113
+5V, Low-Power, Multi-Channel,
Serial 8-Bit ADCs
14
______________________________________________________________________________________
SSTRB
CS
SCLK
DIN
DOUT
14
8
12
15
17
START
SEL2 SEL1 SEL0
UNI/
BIP
SGL/
DIF
PD1
PD0
B7
B6
B1
B0
tACQ
4s (fSCLK = 500kHz)
IDLE
FILLED WITH
ZEROS
IDLE
CONVERSION
25s TYP
A/D STATE
2
3
5
6
7
9
10
11
16
18
tCONV
Figure 10. Internal Clock Mode Timing
PD0 CLOCK IN
tSSTRB
tCSH
tCONV
tSCK
SSTRB
SCLK
tCSS
NOTE: FOR BEST NOISE PERFORMANCE, KEEP SCLK LOW DURING CONVERSION.
CS
Figure 11. Internal Clock Mode SSTRB Detailed Timing
Internal Clock
Internal clock mode frees the P from the burden of
running the SAR conversion clock. This allows the con-
version results to be read back at the processor’s con-
venience, at any clock rate up to 2MHz. SSTRB goes
low at the start of the conversion and then goes high
when the conversion is complete. SSTRB is low for
25s (typ), during which time SCLK should remain low
for best noise performance.
An internal register stores data when the conversion is
in progress. SCLK clocks the data out of this register at
any time after the conversion is complete. After SSTRB
goes high, the second falling clock edge produces the
MSB of the conversion at DOUT, followed by the
remaining bits in MSB-first format (Figure 10). CS does
not need to be held low once a conversion is started.
Pulling CS high prevents data from being clocked into
the MAX1112/MAX1113 and three-states DOUT, but it
does not adversely affect an internal clock-mode con-
version already in progress. When internal clock mode
is selected, SSTRB does not go into a high-impedance
state when CS goes high.
Figure 11 shows the SSTRB timing in internal clock
mode. In this mode, data can be shifted in and out of
the MAX1112/MAX1113 at clock rates up to 2MHz, pro-
vided that the minimum acquisition time, tACQ, is kept
above 1s.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1112EPP+ | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 5V Low-Power Multi Ch Serial 8-Bit 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 |
| MAX1112EVKIT | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Evaluation Kit for the MAX1110/MAX1112 |
| MAX1112-MAX1113 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:+5V, Low-Power, Multi-Channel, Serial 8-Bit ADCs |
| MAX1112MJP | 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 |
| MAX1113 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:+5V, Low-Power, Multi-Channel, Serial 8-Bit ADCs |
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