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參數資料
| 型號： | TLV2548CDWRG4 |
| 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： | 13/46頁 |
| 文件大小： | 1078K |
| 代理商： | TLV2548CDWRG4 |
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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
20
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
absolute maximum ratings over operating free-air temperature (unless otherwise noted)
Supply voltage range, GND to VCC
0.3 V to 6.5 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Analog input voltage range
0.3 V to VCC + 0.3 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Reference input voltage
VCC + 0.3 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Digital input voltage range
0.3 V to VCC + 0.3 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating virtual junction temperature range, TJ
55
°C to 150°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating free-air temperature range, TA: TLV2544/48C
0
°C to 70°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TLV2544/48I
40
°C to 85°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range, Tstg
65
°C to 150°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds
260
°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
DISSIPATION RATING TABLE
PACKAGE
TA ≤ 25°C
DERATING FACTOR
TA = 70°C
TA = 85°C
TA = 125°C
PACKAGE
TA ≤ 25 C
POWER RATING
DERATING FACTOR
ABOVE TA = 25°C
TA = 70 C
POWER RATING
TA = 85 C
POWER RATING
TA = 125 C
POWER RATING
D
1110 mW
8.9 mW/
°C
710 mW
577 mW
222 mW
DW
1294 mW
10.4 mW/
°C
828 mW
673 mW
259 mW
16 PW
839 mW
6.7 mW/
°C
537 mW
437 mW
—
20 PW
977 mW
7.8 mW/
°C
625 mW
508 mW
—
This is the inverse of the traditional junction-to-ambient thermal resistance (RΘJA). Thermal resistance is not production tested and the values
given are for informational purposes only.
recommended operating conditions
MIN
NOM
MAX
UNIT
Supply voltage, VCC
2.7
3.3
5.5
V
Analog input voltage (see Note 4)
0
VCC
V
High level control input voltage, VIH
2.1
V
Low-level control input voltage, VIL
0.6
V
Delay time, delay from CS falling edge to FS rising edge, td(CSL-FSH)
(See Figure 16)
0.5
SCLKs
Delay time, delay time from 16th SCLK falling edge to CS rising edge (FS = 1), or
17th rising edge (FS is active) td(SCLK-CSH) (See Figures 16, and 19)
0.5
SCLKs
Setup time, FS rising edge before SCLK falling edge, tsu(FSH-SCLKL
(See Figure 16)
20
ns
Hold time, FS hold high after SCLK falling edge, th(FSH-SCLKL) (See Figure 16)
30
ns
Pulse width, CS high time, twH(CS) (See Figures 16 and 19)
100
ns
Pulse width, FS high time, twH(FS) (See Figure 16)
0.75
1
SCLKs
SCLK cycle time, tc(SCLK)
VCC = 2.7 V to 3.6 V
75
10000
ns
SCLK cycle time, tc(SCLK)
(See Figures 16, and 19)
VCC = 4.5 V to 5.5V
50
10000
ns
NOTE 4: When binary output format is used, 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). The device is functional with reference down to
1 V. (VREFP VREFM 1); however, the electrical specifications are no longer applicable.
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相關代理商/技術參數 |
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| TLV2548CPW | 功能描述:模數轉換器 - ADC 12bit 200kSPS ADC 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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