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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： | 16/39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
23
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, SCLK frequency = 20 MHz (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Integral linearity error (INL) (see Note 4)
±1
LSB
Differential linearity error (DNL)
See Note 3
±1
LSB
EO
Offset error (see Note 5)
See Note 3
±1.5
LSB
EG
Gain error (see Note 5)
See Note 3
±1.1
±1.6
LSB
ET
Total unadjusted error (see Note 6)
±2
LSB
SDI = B000h
800h
(2048D)
Self-test output code (see Table 1 and Note 7)
SDI = C000h
000h
(0D)
SDI = D000h
FFFh
(4095D)
Internal OSC
OSC = 4 MHz to 6 MHz
2.17
2.6
3.6
s
tconv
Conversion time
External SCLK
(13XDIV)
fSCLK
tsample
Sampling time
At 1 k
600
ns
tt(I/O)
Transition time for EOC, INT
50
ns
tt(CLK)
Transition time for SDI, SDO
25
ns
All typical values are at TA = 25°C.
NOTES:
3. 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 (0000000000). The device is functional with reference down to 2 V (VREFP – VREFM);
however, the electrical specifications are no longer applicable.
4. Linear error is the maximum deviation from the best straight line through the A/D transfer characteristics.
5. 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.
6. Total unadjusted error comprises linearity, zero, and full-scale errors.
7. Both the input data and the output codes are expressed in positive logic.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| 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 |
| TLV2548EVM | 功能描述:EVALUATION MODULE FOR TLV2548 RoHS:是 類別:編程器，開發系統 >> 評估板 - 模數轉換器 (ADC) 系列:- 產品培訓模塊:Obsolescence Mitigation Program 標準包裝:1 系列:- ADC 的數量:1 位數:12 采樣率（每秒）:94.4k 數據接口:USB 輸入范圍:±VREF/2 在以下條件下的電源（標準）:- 工作溫度:-40°C ~ 85°C 已用 IC / 零件:MAX11645 已供物品:板，軟件 |
| 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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