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| 型號(hào)： | TLV1549I |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 10-BIT ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL CONTROL |
| 中文描述： | 10位模擬數(shù)字轉(zhuǎn)換器與串行控制 |
| 文件頁(yè)數(shù)： | 7/15頁(yè) |
| 文件大小： | 238K |
| 代理商： | TLV1549I |
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TLV1549C, TLV1549I, TLV1549M
10-BIT ANALOG-TO-DIGITAL CONVERTERS
WITH SERIAL CONTROL
SLAS071C – JANUARY 1993 – REVISED MARCH 1995
7
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+0.2
VCC
V
0
V
High-level control input voltage, VIH
Low-level control input voltage, VIL
Clock frequency at I/O CLOCK (see Note 3)
Setup time, CS low before first I/O CLOCK
↑
, tsu(CS) (see Note 4)
Hold time, CS low after last I/O CLOCK
↓
, th(CS)
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 5 and Figure 5)
Transition time, CS, tt(CS)
VCC = 3 V to 3.6 V
VCC = 3 V to 3.6 V
2
V
0.6
V
0
2.1
MHz
μ
s
ns
1.425
0
190
ns
190
ns
μ
s
μ
s
°
C
°
C
°
C
1
10
TLV1549C
TLV1549I
0
70
85
Operating free-air temperature, TA
–40
TLV1549M
–55
125
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). The TLV1549 is functional with reference voltages down to 1 V (Vref + – Vref–); however,
the electrical specifications are no longer applicable.
3. 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
μ
s.
4. 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 the I/O CLOCK. Therefore, no attempt should be made to clock out the data until the minimum
CS setup time has elapsed.
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 device functions 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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| TLV1549ID | 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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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 |
| TLV1549IDG4 | 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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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 |
| TLV1549IDR | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10B 38kSPS Ser Out Inherent S&H Fctn 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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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 |
| TLV1549IDRG4 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10B 38kSPS Ser Out Inherent S&H Fctn 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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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 |
| TLV1549IP | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC Single Serial In 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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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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