參數(shù)資料
型號(hào)： MAX106
廠商： Maxim Integrated Products, Inc.
元件分類： 運(yùn)動(dòng)控制電子
英文描述： 【5V, 600Msps, 8-Bit ADC with On-Chip 2.2GHz Bandwidth Track/Hold Amplifier
中文描述： ±5V、600Msps、8位ADC，帶有片上2.2GHz帶寬采樣/保持放大器
文件頁(yè)數(shù)： 22/32頁(yè)
文件大?。?/td> 758K
代理商： MAX106
M
±5V, 600Msps, 8-Bit ADC with On-Chip
2.2GHz Bandwidth Track/Hold Amplifier
22
______________________________________________________________________________________
Reset Output
Finally, the reset signal is presented in differential PECL
format to the last block of the reset signal path.
RSTOUT+/RSTOUT- output the time-aligned reset sig-
nal used for resetting additional external demuxes in
applications where further reduction in the output data
rate is desired. Many demux devices require their reset
signal to be asserted for several clock cycles while they
are clocked. To accomplish this, the MAX106 DREADY
clock will continue to toggle while RSTOUT is asserted.
When a single MAX106 device is used, no synchroniz-
ing reset is required since the order of the samples in
the output ports is unchanged regardless of the phase
of the DREADY clock. In DIV2 mode, the data in the
auxiliary port is delayed by 8.5 clock cycles while the
data in the primary port is delayed by 7.5 clock cycles.
The older data is always in the auxiliary port, regardless
of the phase of the DREADY clock.
The reset output signal, RSTOUT, is delayed by one
fewer clock cycle (6.5 clock cycles) than the primary
port. The reduced latency of RSTOUT serves to mark
the start of synchronized data in the primary and auxil-
iary ports. When the RSTOUT signal returns to a zero,
the DREADY clock phase is reset.
Since there are two possible phases of the DREADY
clock with respect to the input clock, there are two pos-
sible timing diagrams to consider. The first timing dia-
gram (Figure 18) shows the RSTOUT timing and data
alignment of the auxiliary and primary output ports
when the DREADY clock phase is already reset. For
this example, the RSTIN pulse is two clock cycles long.
Under this condition, the DREADY clock continues
uninterrupted, as does the data stream in the auxiliary
and primary ports.
The second timing diagram (Figure 19) shows the
results when the DREADY phase is opposite from the
reset phase. In this case, the DREADY clock “swallows”
a clock cycle of the sample clock, resynchronizing to
the reset phase. Note that the data stream in the auxil-
iary and primary ports has reversed. Before reset was
NOTE:
THE LATENCY TO THE RESET OUTPUT IS 6.5 CLOCK CYCLES. THE LATENCY TO THE PRIMARY PORT IS 7.5 CLOCK CYCLES, AND
THE LATENCY TO THE AUXILIARY PORT IS 8.5 CLOCK CYCLES. ALL DATA PORTS ARE UPDATED ON THE RISING EDGE OF THE DREADY+ CLOCK.
CLK-
CLK+
t
SU
t
HD
n
n+1
n+2
n+3
n+4
n+5
n+6
n+7
n+8
n+9
n+10
n+11
n+12
n+13
ADC SAMPLE NUMBER
ADC SAMPLES ON THE RISING EDGE OF CLK+
CLK
DREADY
DREADY+
DREADY-
RSTIN+
RSTIN-
RSTOUT+
RSTOUT-
RESET
INPUT
n+1
n-1
n+3
AUXILIARY
DATA PORT
PRIMARY
DATA PORT
n
n+2
n+4
RESET OUT
DATA PORT
Figure 18. Reset Output Timing in Demuxed DIV2 Mode (DREADY Aligned)
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MAX1060ACEI+T 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 5V 10Bit 8Ch 400ksps w/2.5V Ref & Prl Int 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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