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參數(shù)資料
| 型號(hào)： | MAX1108-MAX1109 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Single-Supply, Low-Power, 2-Channel, Serial 8-Bit ADCs |
| 中文描述： | 單電源，低功耗，2通道，串行8位ADC |
| 文件頁(yè)數(shù)： | 15/20頁(yè) |
| 文件大?。?/td> | 185K |
| 代理商： | MAX1108-MAX1109 |
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M
S ingle-S upply, Low-Power,
2-Channel, S erial 8-Bit ADCs
______________________________________________________________________________________
15
CS
does not need to be held low once a conversion is
started. Pulling
CS
high prevents data from being
clocked into the MAX1108/MAX1109 and three-states
DOUT, but it does not adversely affect an internal
clock-mode conversion already in progress. In this
mode, data can be shifted in and out of the
MAX1108/MAX1109 at clock rates up to 2MHz, provid-
ed that the minimum acquisition time (t
ACQ
) is kept
above 1μs.
Quic k Look
To quickly evaluate the MAX1108/MAX1109’s analog
performance, use the circuit of Figure 9. The device
requires a control byte to be written to DIN before each
conversion. Tying
CS
to GND and DIN to V
DD
feeds in
control bytes of FFH. In turn, this triggers single-ended,
unipolar conversions on CH0 in relation to COM in
external clock mode without powering down between
conversions. Apply an external 50kHz to 500kHz clock
CS
SCLK
DIN
DOUT
1
4
8
START
SEL2
SEL1
SEL0
I/EREF I/ECLK
REF
D7
D6
D5
D4
D3
D2
D1
D0
t
ACQ
IDLE
IDLE
A/D STATE
10
14
18
t
CONV
35
μ
s MAX
Figure 8. Single Conversion Timing, Internal Clock Mode
1μF
0.1μF
V
DD
GND
CS
SCLK
DIN
DOUT
V
DD
0.01μF
CH0
COM
REF
C1
1μF
ANALOG
INPUT
OSCILLOSCOPE
CH1
CH2
5
μ
s/div
*CONVERSION RESULT = 10101010
MAX1108
MAX1109
V
SUPPLY
500kHz
OSCILLATOR
DOUT*
SCLK
MSB
LSB
Figure 9. Quick-Look Schematic
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX1108CUB | Single-Supply, Low-Power, 2-Channel, Serial 8-Bit ADCs |
| MAX1108 | Single-Supply, Low-Power, 2-Channel, Serial 8-Bit ADCs |
| MAX1108EUB | Single-Supply, Low-Power, 2-Channel, Serial 8-Bit ADCs |
| MAX1109CUB | Single-Supply, Low-Power, 2-Channel, Serial 8-Bit ADCs |
| MAX1109EUB | Single-Supply, Low-Power, 2-Channel, Serial 8-Bit ADCs |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1109 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Evaluation Kit for the MAX4135/MAX4136/MAX4137/MAX4138[MAX4135EVKIT ] |
| MAX1109CUB | 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 |
| MAX1109CUB+ | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 2Ch Single-Supply Low-P 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 |
| MAX1109CUB+G07 | 制造商:Maxim Integrated Products 功能描述:10 PINS UMAX PKG - Tape and Reel |
| MAX1109CUB+T | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 2Ch Single-Supply Low-P 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 |
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