參數(shù)資料
型號(hào): MAX1108EUB+T
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 7/20頁(yè)
文件大小: 0K
描述: IC ADC 8BIT LP 10-UMAX
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 2,500
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): 444mW
電壓電源: 單電源
工作溫度: -40°C ~ 85°C
安裝類(lèi)型: 表面貼裝
封裝/外殼: 10-TFSOP,10-MSOP(0.118",3.00mm 寬)
供應(yīng)商設(shè)備封裝: 10-µMAX
包裝: 帶卷 (TR)
輸入數(shù)目和類(lèi)型: 2 個(gè)單端,單極;2 個(gè)單端,雙極;1 個(gè)偽差分,單極;1 個(gè)偽差分,雙極
MAX1108/MAX1109
Single-Supply, Low-Power,
2-Channel, Serial 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 (tACQ) is kept
above 1s.
Quick 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 VDD 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
14
8
START
SEL2
SEL1
SEL0
I/EREF I/ECLK
REF
SHDN
D7
D6
D5
D4
D3
D2
D1
D0
tACQ
IDLE
A/D STATE
10
14
18
tCONV
35
s MAX
Figure 8. Single Conversion Timing, Internal Clock Mode
1F
0.1F
VDD
GND
CS
SCLK
DIN
DOUT
VDD
0.01F
CH0
COM
REF
C1
1F
ANALOG
INPUT
OSCILLOSCOPE
CH1
CH2
5
s/div
*CONVERSION RESULT = 10101010
MAX1108
MAX1109
VSUPPLY
500kHz
OSCILLATOR
DOUT*
SCLK
MSB
LSB
Figure 9. Quick-Look Schematic
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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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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