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參數(shù)資料
| 型號： | TLV2543I |
| 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個模擬輸入 |
| 文件頁數(shù)： | 11/24頁 |
| 文件大?。?/td> | 379K |
| 代理商： | TLV2543I |
TLV2543C, TLV2543I
12-BIT ANALOG-TO-DIGITAL CONVERTERS
WITH SERIAL CONTROL AND 11 ANALOG INPUTS
SLAS096B – MARCH 1995 – REVISED OCTOBER 1995
11
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions
MIN
NOM
MAX
UNIT
Supply voltage, VCC
Positive reference voltage, Vref+ (see Note 2)
Negative reference voltage, Vref– (see Note 2)
Differential reference voltage, Vref+ – Vref– (see Note 2)
Analog input voltage (see Note 2)
3
3.3
3.6
V
VCC
V
0
V
2.5
VCC
VCC+0.1
VCC
V
0
V
High-level control input voltage, VIH
Low-level control input voltage, VIL
Clock frequency at I/O CLOCK
Setup time, address bits at DATA INPUT before I/O CLOCK
↑
, tsu(A) (see Figure 5)
Hold time, address bits at DATA INPUT after I/O CLOCK
↑
, th(A) (see Figure 5)
Hold time, CS low after last I/O CLOCK
↓
, th(CS) (see Figure 6)
Setup time, CS low before clocking in first address bit, tsu(CS) (see Note 3 and Figure 6)
Pulse duration, I/O CLOCK high, twH(I/O)
Pulse duration, I/O CLOCK low, twL(I/O)
Transition time, I/O CLOCK, tt(I/O) (see Note 4 and Figure 7)
Transition time, DATA INPUT and CS, tt(CS)
VCC = 3 V to 3.6 V
VCC = 3 V to 3.6 V
2.1
V
0.6
V
0
3
4.1
MHz
100
ns
0
ns
0
ns
μ
s
ns
1.425
190
190
ns
μ
s
μ
s
1
10
Operating free air temperature TA
Operating free-air temperature, TA
TLV2543C
TLV2543I
0
70
85
°
C
–40
NOTES:
2. Analog input voltages greater than the voltage applied to REF+ convert as all ones (111111111111), while input voltages less than
the voltage applied to REF– convert as all zeros (000000000000).
3. To minimize errors caused by noise at the CS input, the internal circuitry waits for a setup time after CS
↓
before responding to control
input signals. No attempt should be made to clock in an address until the minimum CS setup time elapses.
4. This is the time required for the clock input signal to fall from VIHmin to VILmax or to rise from VILmax to VIHmin. In the vicinity of
normal room temperature, the devices function with input clock transition time as slow as 1
μ
s for remote data acquisition applications
where the sensor and the A/D converter are placed several feet away from the controlling microprocessor.
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| TLV2543IDBR | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 66 kSPS Serial Out 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 |
| TLV2543IDBRG4 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 66 kSPS Serial Out 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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