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| 型號： | TLV2548CDW |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | ADC |
| 英文描述： | 8-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20 |
| 封裝： | GREEN, PLASTIC, SOIC-20 |
| 文件頁數(shù)： | 17/46頁 |
| 文件大小： | 1078K |
| 代理商： | TLV2548CDW |
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TLV2544, TLV2548
2.7V TO 5.5V, 12BIT, 200KSPS, 4/8CHANNEL, LOW POWER
SERIAL ANALOGTODIGITAL CONVERTERS WITH AUTOPOWERDOWN
SLAS198E FEBRUARY 1999 REVISED JUNE 2003
24
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
operating characteristics over recommended operating free-air temperature range, VCC = VREFP = 2.7 V to
5.5 V, VREFM = 0 V, SCLK frequency = 20 MHz at 5 V, 15 MHz at 3 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
EL
Integral linearity error (INL) (see Note 6)
±1
LSB
ED
Differential linearity error (DNL)
See Note 5
±1
LSB
EO
Offset error (see Note 7)
See Note 5
±2.5
LSB
EFS
Full scale error (see Note 7)
See Note 5
1.6
+3.5
LSB
Self-test output code (see Table 1 and
SDI = B000h
800h
(2048D)
Self-test output code (see Table 1 and
Note 8)
SDI = C000h
000h (0D)
Note 8)
SDI = D000h
FFFh
(4095D)
Internal OSC
2.33
3.5
3.86
t(conv)
Conversion time
External SCLK
(14
DIV)
f
SCLK
s
t(sample) Sampling time
With a maximum of 1-k
input source
impedance
600
ns
All typical values are at TA = 25°C.
NOTES:
5. Analog input voltages greater than that applied to REFP convert as all ones (111111111111), while input voltages less than that
applied to REFM convert as all zeros (000000000000).
6. Linear error is the maximum deviation from the best straight line through the A/D transfer characteristics.
7. Zero error is the difference between 000000000000 and the converted output for zero input voltage: full-scale error is the difference
between 111111111111 and the converted output for full-scale input voltage.
8. Both the input data and the output codes are expressed in positive logic.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TLV2548CDWG4 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 200 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 |
| TLV2548CDWR | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 200 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 |
| TLV2548CDWRG4 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 200 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 |
| TLV2548CPW | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12bit 200kSPS 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 |
| TLV2548CPWG4 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 200 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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