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參數資料
| 型號： | TLV2548CPWLE |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | ADC |
| 英文描述： | 8-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20 |
| 文件頁數： | 14/39頁 |
| 文件大小： | 648K |
| 代理商： | TLV2548CPWLE |
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TLV2544, TLV2548
2.7 V TO 5.5 V, 12-BIT, 200 KSPS, 4/8 CHANNEL, LOW POWER,
SERIAL ANALOG-TO-DIGITAL CONVERTERS WITH AUTO POWER DOWN
SLAS198A –FEBRUARY 1999– REVISED AUGUST 1999
21
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range, VCC = VREFP = 2.7 V to
5.5 V, SCLK frequency = 20 MHz at 5 V, 15 MHz at 3 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VOH
High level output voltage
VCC = 5.5 V, IOH = –0.2 mA at 30 pF load
2.4
V
VOH
High-level output voltage
VCC = 2.7 V, IOH = -20 A at 30 pF load
VCC–0.2
V
VOL
Low level output voltage
VCC = 5.5 V, IOL = 0.8 mA at 30 pF load
0.4
V
VOL
Low-level output voltage
VCC = 2.7 V, IOL = 20 A at 30 pF load
0.1
V
IOZ
Off-state output current
VO = VCC
CS
V
1
2.5
A
IOZ
O sae ou u cu e
(high-impedance-state)
VO = 0
CS = VCC
–1
-2.5
A
IIH
High-level input current
VI = VCC
0.005
2.5
A
IIL
Low-level input current
VI = 0 V
–0.005
2.5
A
CS at 0 V Ext ref
VCC = 4.5 V to 5.5 V
1.3
mA
ICC
Operating supply current, normal
CS at 0 V, Ext ref
VCC = 2.7 V to 3.3 V
0.95
mA
ICC
O e a
g su
y cu e , o
a
sampling (short)
CS at 0 V Int ref
VCC = 4.5 V to 5.5 V
2
mA
CS at 0 V, Int ref
VCC = 2.7 V to 3.3 V
1.6
mA
CS at 0 V Ext ref
VCC = 4.5 V to 5.5 V
1.9
mA
ICC
Operating supply current, extended
CS at 0 V, Ext ref
VCC = 2.7 V to 3.3 V
1.5
mA
ICC
O e a
g su
y cu e , e e ded
sampling
CS at 0 V Int ref
VCC = 4.5 V to 5.5 V
2
mA
CS at 0 V, Int ref
VCC = 2.7 V to 3.3 V
1.6
mA
Internal reference supply current
CS at 0 V, VCC = 4.5 V to 5.5 V
0.8
mA
Internal reference supply current
VCC = 2.7 V to 3.3 V
0.6
mA
ICC(PD)
Power-down supply current
For all digital inputs,
0
≤ VI ≤ 0.3 V or VI ≥ VCC– 0.3 V,
SCLK = 0, VCC = 4.5 V to 5.5 V,
Ext clock
0.1
1
A
VCC = 2.7 V to 3.3 V, Ext clock
0.1
1
ICC(AUTOPWDN)
Auto power down current
For all digital inputs,
0
≤ VI ≤ 0.3 V or VI ≥ VCC– 0.3 V,
SCLK = 0, VCC = 4.5 V to 5.5 V,
Ext clock, Ext ref
1
A
VCC = 2.7 V to 3.3 V,
Ext ref, Ext clock
1§
Selected channel leakage current
Selected channel at VCC
1
A
Selected channel leakage current
Selected channel at 0 V
–1
A
Maximum static analog reference
current into REFP (use external
reference)
VREFP = VCC = 5.5 V, VREFM = GND
1
A
Ci
Input capacitance
Analog inputs
45
50
pF
Ci
Input capacitance
Control Inputs
5
25
pF
Zi
Input MUX ON resistance
VCC = 5.5 V
500
Zi
Input MUX ON resistance
VCC = 2.7 V
600
All typical values are at VCC = 5 V, TA = 25°C.
800
A if internal reference is used, 165 A if internal clock is used.
§ 800
A if internal reference is used, 116 A if internal clock is used.
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| TLV2548CPWR | 功能描述:模數轉換器 - ADC 12-Bit 200 kSPS Serial Out RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率: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 |
| TLV2548CPWRG4 | 功能描述:模數轉換器 - ADC 12-Bit 200 kSPS Serial Out RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率: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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| TLV2548IDW | 功能描述:模數轉換器 - ADC 12bit 200KSPS SAR RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率: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 |
| TLV2548IDWG4 | 功能描述:模數轉換器 - ADC 12bit 200KSPS SAR RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率: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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