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| 型號(hào)： | TLV1548QDBRG4Q1 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | ADC |
| 英文描述： | 8-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20 |
| 封裝： | GREEN, PLASTIC, SSOP-20 |
| 文件頁數(shù)： | 6/34頁 |
| 文件大?。?/td> | 532K |
| 代理商： | TLV1548QDBRG4Q1 |
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TLV1548Q1
LOW VOLTAGE 10BIT ANALOGTODIGITAL CONVERTER
WITH SERIAL CONTROL AND 8 ANALOG INPUTS
SGLS172B JUNE 2003 REVISED APRIL 2008
14
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions
MIN
NOM
MAX
UNIT
Supply voltage, VCC
2.7
5.5
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, VI (analog) (see Note 2)
0
VCC
V
High-level control input voltage, VIH
2.1
V
Low-level control input voltage, VIL
0.6
V
Setup time, input data bits valid before I/O CLK
↑↓, tsu(A) (see Figure 9)
100
ns
Hold time, input data bits valid after I/O CLK
↑↓, th(A) (see Figure 9)
5
30
ns
Setup time, CS
↓ to I/O CLK↑, tsu(CS)
See Figure 10 and Note 3
5
30
ns
Hold time, I/O CLK
↓ to CS↑, th(CS)
See Figure 10
65
ns
Pulse duration, FS high, twH(FS)
See Figure 14
1
I/O CLK
periods
Pulse duration, CSTART, tw(CSTART)
Source impedance
≤ 1 k, VCC = 5.5 V,
See Figure 15
0.84
s
Setup time, CS
↑ to CSTART↓, tsu(CSTART)
See Figure 15
10
ns
Clock frequency at I/O CLK, fCLK
VCC = 5.5 V
0.1
6
10
MHz
Clock frequency at I/O CLK, fCLK
VCC = 2.7 V
0.1
2
2.81
MHz
Pulse duration, I/O CLK high, twH(I/O)
VCC = 5.5 V
50
ns
Pulse duration, I/O CLK high, twH(I/O)
VCC = 2.7 V
100
ns
Pulse duration, I/O CLK low, twL(I/O)
VCC = 5.5 V
50
ns
Pulse duration, I/O CLK low, twL(I/O)
VCC = 2.7 V
100
ns
Operating free-air temperature, TA
TLV1548Q
40
125
°C
Junction temperature, TJ
TLV1548Q
150
°C
NOTES:
2. Analog input voltages greater than the voltage applied to REF+ convert as all ones (1111111111), while input voltages less than the
voltage applied to REF convert as all zeros (0000000000). The device is functional with reference (Vref+ Vref) down to 1 V;
however, the electrical specifications are no longer applicable.
3. To minimize errors caused by noise at CS
↓, 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 input dat until the minimum CS setup time has elapsed.
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|---|---|
| TLV1548QDBRQ1 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10B Analog/Digital Converter 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 |
| TLV1549 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:10-BIT ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL CONTROL |
| TLV1549C | 制造商:TI 制造商全稱:Texas Instruments 功能描述:10-BIT ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL CONTROL |
| TLV1549CD | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 3.3V 10bit A/D 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 |
| TLV1549CDG4 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10-Bit 38 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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