參數(shù)資料
型號(hào)： TLV2548MFK
廠商： TEXAS INSTRUMENTS INC
元件分類： ADC
英文描述： 8-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, CQCC20
封裝： CERAMIC, LCC-20
文件頁(yè)數(shù)： 16/39頁(yè)
文件大小： 827K
代理商： TLV2548MFK
TLV2544Q, TLV2548Q, TLV2548M
3V TO 5.5V, 12BIT, 200KSPS, 4/8CHANNEL, LOW POWER
SERIAL ANALOGTODIGITAL CONVERTERS WITH AUTOPOWERDOWN
SGLS119F FEBRUARY 2002 REVISED OCTOBER 2009
23
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range, VCC = VREFP =
3 V to 5.5 V, SCLK frequency = 20 MHz at 5 V, 15 MHz at 3 V (unless otherwise noted) (continued)
ac specifications
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
SINAD
Signal-to-noise ratio +distortion
fI = 12 kHz at 200 KSPS
65
71
dB
THD
Total harmonic distortion
fI = 12 kHz at 200 KSPS
TA = 55°C
82
73
dB
THD
Total harmonic distortion
fI = 12 kHz at 200 KSPS
All other temperatures
82
75
dB
ENOB
Effective number of bits
fI = 12 kHz at 200 KSPS
11.6
Bits
SFDR
Spurious free dynamic range
fI = 12 kHz at 200 KSPS
84
75
dB
Analog input
Full power-bandwidth, 3 dB
1
MHz
Full-power bandwidth, 1 dB
500
kHz
reference specifications (0.1
F and 10 F between REFP and REFM pins)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Positive reference input voltage, REFP
VCC = 3 V to 5.5 V
2
VCC
V
Negative reference input voltage, REFM
VCC = 3 V to 5.5 V
0
2
V
VCC = 5.5 V
CS = 1,
SCLK = 0, (off)
100
M
Reference Input impedance
VCC = 5.5 V
CS = 0,
SCLK = 20 MHz (on)
20
25
k
Reference Input impedance
VCC = 3 V
CS = 1,
SCLK = 0 (off)
100
M
VCC = 3 V
CS = 0,
SCLK = 20 MHz (on)
20
25
k
Reference Input voltage difference, REFP REFM
VCC = 3 V to 5.5 V
2
VCC
V
VCC = 5.5 V
VREF SELECT = 4 V
3.85
4
4.15
V
Internal reference voltage, REFP REFM
VCC = 5.5 V
VREF SELECT = 2 V
1.925
2
2.075
V
Internal reference voltage, REFP REFM
VCC = 3 V
VREF SELECT = 2 V
1.925
2
2.075
V
Internal reference start-up time
VCC = 5.5 V, 3 V with 10 F compensation cap
20
ms
Internal reference temperature coefficient
VCC = 3 V to 5.5 V
16
40
PPM/
°C
Not assured
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TLV2548MFKB 制造商:Rochester Electronics LLC 功能描述:- Bulk
TLV2548MPWREP 功能描述:模數(shù)轉(zhuǎn)換器 - ADC EP 2B 200 KSPS ADC Ser. 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
TLV2548QDW 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12 Bit 200 kSPS Lo Pwr 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
TLV2548QDWG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC Auto Cat 12B 200 kSPS 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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
TLV2548QDWR 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12 Bit 200 kSPS Lo Pwr 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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