參數(shù)資料
型號： TLV2542CDGKRG4
廠商： TEXAS INSTRUMENTS INC
元件分類： ADC
英文描述： 2-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8
封裝： GREEN, PLASTIC, MSOP-8
文件頁數(shù)： 31/31頁
文件大?。?/td> 778K
代理商： TLV2542CDGKRG4
TLV2541, TLV2542, TLV2545
2.7-V TO 5.5-V, LOW-POWER, 12-BIT, 140/200 KSPS,
SERIAL ANALOG-TO-DIGITAL CONVERTERS WITH AUTOPOWER DOWN
SLAS245E MARCH 2000 REVISED APRIL 2010
9
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
recommended operating conditions
MIN
NOM
MAX
UNIT
Supply voltage, VDD
2.7
3.3
5.5
V
Positive external reference voltage input, VREFP (see Note 1)
2
VDD
V
Analog input voltage (see Note 1)
0
VDD
V
High level control input voltage, VIH
2.1
V
Low-level control input voltage, VIL
0.6
V
Setup time, CS falling edge before first SCLK falling edge, VDD = REF = 4.5 V
40
ns
Setup time, CS falling edge before first SCLK falling edge,
tsu(CSL-SCLKL)
VDD = REF = 2.7 V
70
ns
Hold time, CS falling edge after SCLK falling edge, th(SCLKL-CSL)
5
ns
Delay time, delay from CS falling edge to FS rising edge, td(CSL-FSH) (TLV2541 only)
0.5
7
SCLKs
Setup time, FS rising edge before SCLK falling edge, tsu(FSH-SCLKL) (TLV2541 only)
0.35
SCLKs
Hold time, FS high after SCLK falling edge, th(SCLKL-FSL) (TLV2541 only)
0.65
SCLKs
Pulse width CS high time, tw(H_CS)
100
ns
Pulse width FS high time, tw(H_FS) (TLV2541 only)
0.75
SCLKs
SCLK cycle time, VDD = 3.6 V to 2.7 V, tc(SCLK) (maximum tolerance of 40/60 duty cycle)
90
10000
ns
SCLK cycle time, VDD = 5.5 V to 4.5 V, tc(SCLK) (maximum tolerance of 40/60 duty cycle)
50
10000
ns
Pulse width low time, tw(L_SCLK)
0.4
0.6
SCLK
Pulse width high time, tw(H_SCLK)
0.4
0.6
SCLK
Hold time, hold from end of conversion to CS high, th(EOC-CSH) (EOC is internal, indicates end of conversion
time, tc)
0.05
μs
Active CS cycle time to reset internal MUX to AIN0, t(reset cycle) (TLV2542 only)
4
7
SCLKs
Delay time delay from CS falling edge to SDO valid t
VDD = REF = 4.5 V, 25-pF load
40
ns
Delay time, delay from CS falling edge to SDO valid, td(CSL-SDOV)
VDD = REF = 2.7 V, 25-pF load
70
ns
Delay time, delay from FS falling edge to SDO valid, td(FSL-SDOV) VDD = REF = 4.5 V, 25-pF load
1
ns
Delay time, delay from FS falling edge to SDO valid, td(FSL-SDOV)
(TLV2541 only)
VDD = REF = 2.7 V, 25-pF load
1
ns
Delay time, delay from SCLK rising edge to SDO valid,
VDD = REF = 4.5 V, 25-pF load
11
ns
Delay time, delay from SCLK rising edge to SDO valid,
td(SCLKH-SDOV)
VDD = REF = 2.7 V, 25-pF load
21
ns
Delay time, delay from 17th SCLK rising edge to SDO 3-state,
VDD = REF = 4.5 V, 25-pF load
30
ns
Delay time, delay from 17th SCLK rising edge to SDO 3 state,
td(SCLK17H-SDOZ)
VDD = REF = 2.7 V, 25-pF load
60
ns
Conversion time, tc
Conversion clock = internal
oscillator
2.1
2.6
3.5
μs
Sampling time, t(sample)
See Note 2
300
ns
Operating free air temperature T
TLV2541/2/5C
0
70
°C
Operating free-air temperature, TA
TLV2541/2/5I
40
85
°C
NOTES: 1. Analog input voltages greater than that applied to VREF convert as all ones (111111111111), while input voltages less than that applied
to GND convert as all zeros(000000000000).
2. Minimal t(sample) is given by 0.9 × 50 pF × (RS + 0.5 kΩ), where RS is the source output impedance.
相關(guān)PDF資料
PDF描述
TLV2541CDGK 1-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8
TLV2542IDR 2-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8
TLV2545IDR 1-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8
TLV2542IDG4 2-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8
TLV2545CDGKR 1-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TLV2542EVM 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開發(fā)工具 TLV2542 Eval Mod RoHS:否 制造商:Texas Instruments 產(chǎn)品:Demonstration Kits 類型:ADC 工具用于評估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V
TLV2542ID 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12bit SAR ADC 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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
TLV2542ID 制造商:Texas Instruments 功能描述:12BIT ADC 200KSPS SAR SMD SOIC8 制造商:Texas Instruments 功能描述:12BIT ADC, 200KSPS, SAR, SMD, SOIC8
TLV2542IDG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12bit SAR ADC 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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
TLV2542IDGK 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12bit SAR ADC 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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
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