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| 型號： | TLV2556IDWR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | ADC |
| 英文描述： | 11-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20 |
| 封裝： | GREEN, PLASTIC, SOIC-20 |
| 文件頁數(shù)： | 34/37頁 |
| 文件大?。?/td> | 729K |
| 代理商： | TLV2556IDWR |
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TLV2556
SLAS355A – DECEMBER 2001 – REVISED SEPTEMBER 2002
6
www.ti.com
external reference specifications
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Reference input voltage REF
VCC = 4.5 V to 5.5 V
–0.1
0
0.1
V
Reference input voltage, REF–
VCC = 2.7 V to 3.6 V
–0.1
0
0.1
V
Reference input voltage REF
VCC = 4.5 V to 5.5 V
2
VCC
V
Reference input voltage, REF+
VCC = 2.7 V to 3.6 V
2
VCC
V
External reference input voltage difference,
VCC = 4.5 V to 5.5 V
1.9
VCC
V
External reference in ut voltage difference,
(REF+) – (REF–)
VCC = 2.7 V to 3.6 V
1.9
VCC
V
External reference supply current
CS at0V
VCC = 4.5 V to 5.5 V
1
mA
External reference supply current
CS at 0 V
VCC = 2.7 V to 3.6 V
0.7
mA
V5 V
Static
1
M
Reference input impedance
VCC = 5 V
During sampling/conversion
6
9
k
Reference input impedance
V2 7 V
Static
1
M
VCC = 2.7 V
During sampling/conversion
6
9
k
All typical values are at VCC = 5 V, TA = 25°C.
NOTE: Add a 0.1-
F capacitor between REF+ and REF– pins when external reference is used.
internal reference specifications
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Reference input voltage, REF–
VCC = 2.7 V to 5.5 V, REF– = Analog GND
0
V
It
l
f
dlt
lt
VCC = 5.5 V,
Internal 4.096-Vref selected
3.95
4.065
4.25
Internal reference delta voltage,
(REF+) – (REF–)
VCC = 5.5 V,
Internal 2.048-Vref selected
1.95
2.019
2.1
V
(REF+) – (REF–)
VCC = 2.7 V,
Internal 2.048-Vref selected
1.95
2.019
2.1
V
Internal reference start up time
VCC = 5 V
With 10 F load
20
ms
Internal reference start-up time
VCC = 2.7 V
With 10-
F load
20
ms
Internal reference temperature coefficient
VCC = 2.7 V to 5.5 V
±50
PPM/
°C
All typical values are at VCC = 5 V, TA = 25°C.
NOTE: When an internal reference is used, the following conditions are required:
a) Add 0.1-
F and 10-F capacitors between REF+ and REF– pins.
b) REF– must be connected to analog GND (the ground pin of the ADC).
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TLV2556IDWRG4 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12B 200 KSPS 11Ch Lo Pwr Serial 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 |
| TLV2556IPW | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 200 KSPS 11 Ch 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 |
| TLV2556IPW | 制造商:Texas Instruments 功能描述:12BIT ADC 200KSPS 2556 TSSOP20 制造商:Texas Instruments 功能描述:12BIT ADC, 200KSPS, 2556, TSSOP20 制造商:Texas Instruments 功能描述:12BIT ADC, 200KSPS, 2556, TSSOP20; Resolution (Bits):12bit; Sampling Rate:200kSPS; Supply Voltage Type:Single; Supply Voltage Min:2.7V; Supply Voltage Max:5.5V; Supply Current:3mA; Digital IC Case Style:TSSOP; No. of Pins:20; Input ;RoHS Compliant: Yes |
| TLV2556IPWG4 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 200 KSPS 11 Ch 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 |
| TLV2556IPWR | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 200 KSPS 11 Ch 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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