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參數資料
| 型號： | TLV2548MFK |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | ADC |
| 英文描述： | 8-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, CQCC20 |
| 封裝： | CERAMIC, LCC-20 |
| 文件頁數： | 8/39頁 |
| 文件大小： | 827K |
| 代理商： | TLV2548MFK |
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TLV2544Q, TLV2548Q, TLV2548M
3V TO 5.5V, 12BIT, 200KSPS, 4/8CHANNEL, LOW POWER
SERIAL ANALOGTODIGITAL CONVERTERS WITH AUTOPOWERDOWN
SGLS119F FEBRUARY 2002 REVISED OCTOBER 2009
16
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
modes using the FIFO: modes 01, 10, 11 timing (continued)
CS
CSTART
SDI
INT
SDO
Hi-Z
FS
(DSP)
Configure
Select
Conversion #1 From Channel 2
Select
Conversion #4 From Channel 2
Read FIFO
First FIFO Read
§
#1
#2
#3
#4
§
t(sample)
Hi-Z
Sample Times
≥ MIN t(sample)
(See Operating Characteristics)
t(sample)
Command = Configure write for mode 01, FIFO threshold = 1/2
Command = Read FIFO, 1st FIFO read
§ Command = Select ch2.
Minimum CS low time for select cycle is 6 SCLKs. The same amount of time is required between FS low to CSTART for proper channel decoding.
The low time of CSTART, not overlapped with CS low time, is the valid sampling time for the select cycle (see Figure 18).
Figure 11. TLV2544/TLV2548 Mode 01
p/DSP Serial Interface (Conversions Triggered by CSTART)
CS
CSTART
SDI
INT
SDO
From Channel 0
FS
(DSP)
From Channel 3
Configure
Conversion
Read FIFO
#1
#2
#3
#4
Top of FIFO
Read FIFO
#1
From Channel 0
Conversion
From Channel 3
Conversion
Repeat
Second FIFO Read
Repeat
First FIFO Read
§
§
Command = Configure write for mode 10 or 11, FIFO threshold = 1/2, sweep seq = 0123.
Command = Read FIFO
§ Use any channel select command to trigger SDI input.
Figure 12. TLV2544/TLV2548 Mode 10/11 DSP Serial Interface (Conversions Triggered by FS)
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TLV2548MFKB | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| TLV2548MPWREP | 功能描述:模數轉換器 - ADC EP 2B 200 KSPS ADC Ser. 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 |
| TLV2548QDW | 功能描述:模數轉換器 - ADC 12 Bit 200 kSPS Lo Pwr 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 |
| TLV2548QDWG4 | 功能描述:模數轉換器 - ADC Auto Cat 12B 200 kSPS 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 |
| TLV2548QDWR | 功能描述:模數轉換器 - ADC 12 Bit 200 kSPS Lo Pwr 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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