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参数资料
| 型号： | TLV1543CDBR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | ADC |
| 英文描述： | 11-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20 |
| 封装： | GREEN, PLASTIC, SSOP-20 |
| 文件页数： | 28/29页 |
| 文件大小： | 804K |
| 代理商： | TLV1543CDBR |
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TLV1543C, TLV1543I, TLV1543M
3.3V 10BIT ANALOGTODIGITAL CONVERTERS
WITH SERIAL CONTROL AND 11 ANALOG INPUTS
SLAS072E DECEMBER 1992 REVISED JANUARY 2004
8
WWW.TI.COM
recommended operating conditions
MIN
NOM
MAX
UNIT
Supply voltage, VCC
TLV1543C/TLV1543I
3
3.3
5.5
V
Supply voltage, VCC
TLV1543M
3
3.3
3.6
V
Positive reference voltage, Vref + (see Note 2)
VCC
V
Negative reference voltage, Vref (see Note 2)
0
V
Differential reference voltage, Vref + Vref (see Note 2)
2.5
VCC
VCC + 0.2
V
Analog input voltage (see Note 2)
0
VCC
V
High-level control input voltage, VIH
TLV1543C/TLV1543I
VCC = 3 V to 5.5 V
2
V
High-level control input voltage, VIH
TLV1543M
VCC = 3 V to 3.6 V
2
V
Low-level control input voltage, VIL
TLV1543C/TLV1543I
VCC = 3 V to 5.5 V
0.6
V
Low-level control input voltage, VIL
TLV1543M
VCC = 3 V to 3.6 V
0.8
V
Setup time, address bits at data input before I/O CLOCK
↑, tsu(A) (see Figure 4)
100
ns
Hold time, address bits after I/O CLOCK
↑, th(A) (see Figure 4)
0
ns
Hold time, CS low after last I/O CLOCK
↓, th(CS)
0
ns
Setup time, CS low before clocking in first address bit, tsu(CS) (see Note 3)
1.425
s
Clock frequency at I/O CLOCK (see Note 4)
TLV1543C/TLV1543I
0
1.1
MHz
Clock frequency at I/O CLOCK (see Note 4)
TLV1543M
0
2.1
MHz
Pulse duration, I/O CLOCK high, tw(H_I/O)
190
ns
Pulse duration, I/O CLOCK low, tw(L_I/O)
190
ns
Transition time, I/O CLOCK, tt(I/O) (see Note 5)
1
s
Transition time, ADDRESS and CS, tt(CS)
10
s
TLV1543C
0
70
°C
Operating free-air temperature, TA
TLV1543I
40
85
°C
Operating free-air temperature, TA
TLV1543M
55
125
°C
NOTES:
2. Analog input voltages greater than that applied to REF+ convert as all ones (1111111111), while input voltages less than that applied
to REF convert as all zeros (0000000000).
3. To minimize errors caused by noise at CS, the internal circuitry waits for a setup time plus two falling edges of the internal system
clock after CS
↓ before responding to control input signals. No attempt should be made to clock in an address until the minimum CS
setup time has elapsed.
4. For 11- to 16-bit transfers, after the tenth I/O CLOCK falling edge (
≤ 2 V), at least one I/O clock rising edge (≥ 2 V) must occur within
9.5
s.
5. 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
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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| TLV1543CDBRG4 | 功能描述:模数转换器 - ADC 10-Bit 200 kSPS Serial Out RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| TLV1543CDW | 功能描述:模数转换器 - ADC 10bit ADC w/11Chl RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
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