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參數(shù)資料
| 型號： | MAX1316ECM |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | ADC |
| 英文描述： | 18-Bit Buffers/Drivers With 3-State Outputs 56-SSOP -40 to 85 |
| 中文描述： | 8-CH 14-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQFP48 |
| 封裝： | 7 X 7 MM, 1.40 MM HEIGHT, MS-026BBC, TQFP-48 |
| 文件頁數(shù)： | 17/27頁 |
| 文件大?。?/td> | 255K |
| 代理商： | MAX1316ECM |
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M
8-/4-/2-Channel, 14-Bit, Simultaneous-Sampling ADCs
with ±10V, ±5V, and 0 to +5V Analog Input Ranges
______________________________________________________________________________________
17
Data T hroughput
The data throughput (f
TH
) of the MAX1316–MAX1318/
MAX1320–MAX1322/MAX1324–MAX1326 is a function
of the clock speed (f
CLK
). In internal-clock mode, f
CLK
=
10MHz. In external-clock mode, 100kHz
≤
f
CLK
≤
12.5MHz. When reading during conversion (Figures 5
and 6), calculate f
TH
as follows:
where N is the number of active channels and t
QUIET
includes acquistion time t
ACQ
. t
QUIET
is the period of bus
inactivity before the rising edge of CONVST. Typically use
t
QUIET
= t
ACQ
+ 50ns, and prevent disturbance on the
output bus from corrupting signal acquistion. See the
Starting a Conversion
section for more information.
Reading a Conversion Result
Reading During a Conversion
Figures 5 and 6 show the interface signals for initiating a
read operation during a conversion cycle. These figures
show two channels selected for conversion. If more chan-
nels are selected, the results are available successively
every third clock cycle.
CS
can be low at all times; it can
be low during the
RD
cycles, or it can be the same as
RD
.
After initiating a conversion by bringing CONVST high,
wait for
EOC
to go low (about 1.6μs in internal-clock
mode or 17 clock cycles in external-clock mode) before
reading the first conversion result. Read the conversion
result by bringing
RD
low, thus latching the data to the
parallel digital-output bus. Bring
RD
high to release the
digital bus. Wait for the next falling edge of
EOC
(about
300ns in internal-clock mode or three clock cycles in
external-clock mode) before reading the next result.
When the last result is available,
EOLC
goes low.
f
t
x N
f
CLK
TH
QUIET
=
+
+
+
1
16
3
1
1
(
)
Table 3. Throughput vs. Channels Sampled (t
QUIET
= t
ACQ
= 200ns, f
CLK
= 10MHz)
CHANNELS
SAMPLED
(N)
CLOCK CYCLES
UNTIL LAST
RESULT
CLOCK CYCLE FOR
READING LAST
CONVERSION
TOTAL
CONVERSION
TIME (ns)
SAMPLES PER
SECOND
(ksps)
THROUGHPUT
PER CHANNEL
(ksps)
1
2
3
4
5
6
7
8
16
19
22
25
28
31
34
37
1
1
1
1
1
1
1
1
1900
2200
2500
2800
3100
3400
3700
4000
526
909
1200
1429
1613
1765
1892
2000
526
455
400
357
323
294
270
250
Figure 5. Read During Conversion—Two Channels Selected, Internal Clock
CONVST
CH0
TRACK
HOLD
D0–D13
SAMPLE
t
1
t
13
t
12
t
10
t
3
t
11
TRACK
CH1
t
CONV
t
NEXT
EOC
RD
t
20
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX1326ECM | 8-/4-/2-Channel, 14-Bit, Simultaneous-Sampling ADCs with 10V, 5V, and 0 to +5V Analog Input Ranges |
| MAX1318ECM | 8-/4-/2-Channel, 14-Bit, Simultaneous-Sampling ADCs with 10V, 5V, and 0 to +5V Analog Input Ranges |
| MAX1321ECM | 8-/4-/2-Channel, 14-Bit, Simultaneous-Sampling ADCs with 10V, 5V, and 0 to +5V Analog Input Ranges |
| MAX1322ECM | 8-/4-/2-Channel, 14-Bit, Simultaneous-Sampling ADCs with 10V, 5V, and 0 to +5V Analog Input Ranges |
| MAX1324ECM | 8-/4-/2-Channel, 14-Bit, Simultaneous-Sampling ADCs with 10V, 5V, and 0 to +5V Analog Input Ranges |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1316ECM+ | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 14-Bit 8Ch 526ksps 3V 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 |
| MAX1316ECM+T | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 14-Bit 8Ch 526ksps 3V 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 |
| MAX1316ECM-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 |
| MAX13170ECAI+ | 制造商:Maxim Integrated Products 功能描述:+5V MULTIPROTOCOL 3TX/3RX SOFTWARE-SELECTABLE CLOCK/DATA TR - Rail/Tube |
| MAX13170EEAI+ | 制造商:Maxim Integrated Products 功能描述:+5V MULTIPROTOCOL 3TX/3RX SOFTWARE-SELECTABLE CLOCK/DATA TR - Rail/Tube |
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