參數(shù)資料
型號： TLC1543C
廠商： Texas Instruments, Inc.
英文描述： 10-BIT ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL CONTROL AND 11 ANALOG INPUTS
中文描述： 10位模擬數(shù)字轉(zhuǎn)換器與串行控制和11個模擬輸入
文件頁數(shù)： 4/27頁
文件大?。?/td> 424K
代理商： TLC1543C
TLC1542C, TLC1542I, TLC1542M TLC1542Q, TLC1543C, TLC1543I, TLC1543Q
10-BIT ANALOG-TO-DIGITAL CONVERTERS WITH
SERIAL CONTROL AND 11 ANALOG INPUTS
SLAS052E – MARCH 1992 – OCTOBER 1998
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
detailed description (continued)
There are six basic serial-interface timing modes that can be used with the device. These modes are determined
by the speed of I/O CLOCK and the operation of CS as shown in Table 1. These modes are (1) a fast mode with
a 10-clock transfer and CS inactive (high) between conversion cycles, (2) a fast mode with a 10-clock transfer
and CS active (low) continuously, (3) a fast mode with an 11- to 16-clock transfer and CS inactive (high) between
conversion cycles, (4) a fast mode with a 16-clock transfer and CS active (low) continuously, (5) a slow mode
with an 11- to 16-clock transfer and CS inactive (high) between conversion cycles, and (6) a slow mode with
a 16-clock transfer and CS active (low) continuously.
The MSB of the previous conversion appears at DATA OUT on the falling edge of CS in mode 1, mode 3, and
mode 5, on the rising edge of EOC in mode 2 and mode 4, and following the sixteenth clock falling edge in
mode 6. The remaining nine bits are shifted out on the next nine falling edges of I/O CLOCK. Ten bits of data
are transmitted to the host-serial interface through DATA OUT. The number of serial clock pulses used also
depends on the mode of operation, but a minimum of ten clock pulses is required for conversion to begin. On
the tenth clock falling edge, the EOC output goes low and returns to the high logic level when conversion is
complete and the result can be read by the host. Also, on the tenth clock falling edge, the internal logic takes
DATA OUT low to ensure that the remaining bit values are zero when the I/O CLOCK transfer is more than ten
clocks long.
Table 1 lists the operational modes with respect to the state of CS, the number of I/O serial transfer clocks that
can be used, and the timing edge on which the MSB of the previous conversion appears at the output.
Table 1. Mode Operation
MODES
CS
NO. OF
I/O CLOCKS
MSB AT DATA OUT
TIMING
DIAGRAM
Mode 1
High between conversion cycles
10
CS falling edge
Figure 9
Fast Modes
Mode 2
Low continuously
10
EOC rising edge
Figure 10
Mode 3
High between conversion cycles
11 to 16
16
11 to 16
16
CS falling edge
Figure 11
Mode 4
Low continuously
EOC rising edge
Figure 12
Slow Modes
Mode 5
Mode 6
High between conversion cycles
Low continuously
CS falling edge
16th clock falling edge
Figure 13
Figure 14
These edges also initiate serial-interface communication.
No more than 16 clocks should be used.
fast modes
The device is in a fast mode when the serial I/O CLOCK data transfer is completed before the conversion is
completed. With a 10-clock serial transfer, the device can only run in a fast mode since a conversion does not
begin until the falling edge of the tenth I/O CLOCK.
mode 1: fast mode, CS inactive (high) between conversion cycles, 10-clock transfer
In this mode, CS is inactive (high) between serial I/O CLOCK transfers and each transfer is ten clocks long. The
falling edge of CS begins the sequence by removing DATA OUT from the high-impedance state. The rising edge
of CS ends the sequence by returning DATA OUT to the high-impedance state within the specified delay time.
Also, the rising edge of CS disables the I/O CLOCK and ADDRESS terminals within a setup time plus two falling
edges of the internal system clock.
mode 2: fast mode, CS active (low) continuously, 10-clock transfer
In this mode, CS is active (low) between serial I/O CLOCK transfers and each transfer is ten clocks long. After
the initial conversion cycle, CS is held active (low) for subsequent conversions; the rising edge of EOC then
begins each sequence by removing DATA OUT from the low logic level, allowing the MSB of the previous
conversion to appear immediately on this output.
相關(guān)PDF資料
PDF描述
TLC1543I 10-BIT ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL CONTROL AND 11 ANALOG INPUTS
TLC1543Q 10-BIT ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL CONTROL AND 11 ANALOG INPUTS
TLC1542QN 10-BIT ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL CONTROL AND 11 ANALOG INPUTS
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TLC1543CDBLE 制造商:TI 制造商全稱:Texas Instruments 功能描述:10-BIT ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL CONTROL AND 11 ANALOG INPUTS
TLC1543CDBR 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10Bit 38kSPS SerOut On-Chip Sys Clk 11Ch 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
TLC1543CDBRG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10Bit 38kSPS SerOut On-Chip Sys Clk 11Ch 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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