參數(shù)資料
型號(hào)： TLC2543C
廠商： Texas Instruments, Inc.
英文描述： 12-BIT ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL CONTROL AND 11 ANALOG INPUTS
中文描述： 12位模擬數(shù)字轉(zhuǎn)換器與串行控制和11個(gè)模擬輸入
文件頁數(shù)： 18/27頁
文件大?。?/td> 431K
代理商： TLC2543C
TLC2543C, TLC2543I, TLC2543M
12-BIT ANALOG-TO-DIGITAL CONVERTERS
WITH SERIAL CONTROL AND 11 ANALOG INPUTS
SLAS079D – DECEMBER 1993 – REVISED MAY 1997
18
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PRINCIPLES OF OPERATION
analog input, test, and power-down mode
The 11 analog inputs, three internal voltages, and power-down mode are selected by the input multiplexer
according to the input addresses shown in Tables 2, 3, and 4. The input multiplexer is a break-before-make type
to reduce input-to-input noise rejection resulting from channel switching. Sampling of the analog input starts on
the falling edge of the fourth I/O CLOCK and continues for the remaining I/O CLOCK pulses. The sample is held
on the falling edge of the last I/O CLOCK pulse. The three internal test inputs are applied to the multiplexer, then
sampled and converted in the same manner as the external analog inputs. The first conversion after the device
has returned from the power-down state may not read accurately due to internal device settling.
Table 3. Analog-Channel-Select Address
ANALOG INPUT
SELECTED
VALUE SHIFTED INTO
DATA INPUT
BINARY
HEX
AIN0
0000
0
AIN1
0001
1
AIN2
0010
2
AIN3
0011
3
AIN4
0100
4
AIN5
0101
5
AIN6
0110
6
AIN7
0111
7
AIN8
1000
8
AIN9
1001
9
AIN10
1010
A
Table 4. Test-Mode-Select Address
INTERNAL
SELF-TEST
VOLTAGE
SELECTED
VALUE SHIFTED INTO
DATA INPUT
UNIPOLAR OUTPUT
RESULT (HEX)
BINARY
HEX
Vref+ – Vref–
2
1011
B
800
Vref–
Vref+
1100
C
000
1101
D
FFF
Vref+ is the voltage applied to REF+, and Vref– is the voltage applied to REF–.
The output results shown are the ideal values and may vary with the reference stability
and with internal offsets.
Table 5. Power-Down-Select Address
INPUT COMMAND
VALUE SHIFTED INTO
DATA INPUT
RESULT
BINARY
HEX
Power down
1110
E
ICC
≤
25
μ
A
相關(guān)PDF資料
PDF描述
TLC2543I 12-BIT ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL CONTROL AND 11 ANALOG INPUTS
TLC2543MFK 12-BIT ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL CONTROL AND 11 ANALOG INPUTS
TLC2558CPW BUTT SPLICE,NON-INS. RoHS Compliant: Yes
TLC2554CPW 5-V, 12-BIT, 400 KSPS, 4/8 CHANNEL, LOW POWER, SERIAL ANALOG-TO-DIGITAL CONVERTERS WITH AUTO POWER DOWN
TLC25L2ACP LinCMOSE DUAL OPERATIONAL AMPLIFIERS
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TLC2543CDB 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12BIT ADC / WITH 11 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
TLC2543CDB 制造商:Texas Instruments 功能描述:A/D Converter (A-D) IC
TLC2543CDBG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12Bit 66kSPS Ser Out Prog MSB/LSB First 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
TLC2543CDBR 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12Bit 66kSPS Ser Out Prog MSB/LSB First 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
TLC2543CDBRG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12Bit 66kSPS Ser Out Prog MSB/LSB First 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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