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參數(shù)資料
| 型號： | TLC1514PW |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 5-V, 10-BIT, 400 KSPS, 4/8 CHANNEL, LOW POWER, SERIAL ANALOG-TO-DIGITAL CONVERTERS WITH AUTO POWER DOWN |
| 中文描述： | 5五，10位400 ksps的，4 / 8通道，低功耗，串行模數(shù)位自動開機和下變頻器 |
| 文件頁數(shù)： | 7/40頁 |
| 文件大?。?/td> | 609K |
| 代理商： | TLC1514PW |
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TLC1514, TLC1518
5-V, 10-BIT, 400 KSPS, 4/8 CHANNEL, LOW POWER,
SERIAL ANALOG-TO-DIGITAL CONVERTERS WITH AUTO POWER DOWN
SLAS252 – DECEMBER 1999
7
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
control and timing (continued)
configuration
Configuration data is stored in one 12-bit configuration register (CFR) (see Table 2 for CFR bit definitions). Once
configured after first power up, the information is retained in the H/W or S/W power-down state. When the device
is being configured, a write CFR cycle is issued by the host processor. This is a 16-bit write. (If the SCLK stops
after the first 8 bits are entered, then the next eight bits can be taken after the SCLK is resumed.) The status
of the CFR can be read with a read CFR command when the device is programmed for one-shot conversion
mode (CFR.D[6,5] = 00).
Table 2. TLC1514/TLC1518 Configuration Register (CFR) Bit Definitions
BIT
DEFINITION
D(15–12)
All zeros, nonprogrammable
D11
Reference select
0: External
1: Internal
D10
Output select
0: Unipolar straight binary
1: 2’s complement
D9
Sample period select
0: Short sampling 12 SCLKs (1x sampling time)
1: Long sampling 24 SCLKs (2x sampling time)
D8
Conversion clock source select
0: Conversion clock = SCLK
1: Conversion clock = SCLK/2
D7
Input select
0: Normal
1: Pseudo differential CH A2(1518) or CH A1 (1514) is the differential input
D(6,5)
Conversion mode select
00: Single shot mode (single conversion from selected channel)
01: Repeat mode (repeated conversions from selected channel)
10: Sweep mode (single conversion on each channel in selected sequence)
11: Repeat sweep mode (repeated conversions on selected sequence)
D(4,3)
TLC1518
TLC1514
Sweep auto sequence select
00: 0–1–2–3–4–5–6–7
01: 0–2–4–6–0–2–4–6
10: 0–0–2–2–4–4–6–6
11: 0–2–0–2–0–2–0–2
Sweep auto sequence select
00: N/A
01: 0–1–2–3–0–1–2–3
10: 0–0–1–1–2–2–3–3
11: 0–1–0–1–0–1–0–1
D2
EOC/INT – pin function select
0: Pin used as INT
1: Pin used as EOC
D(1,0)
FIFO trigger level (sweep sequence length)
00: Full (INT generated after FIFO level 7 filled)
01: 3/4 (INT generated after FIFO level 5 filled)
10: 1/2 (INT generated after FIFO level 3 filled)
11: 1/4 (INT generated after FIFO level 1 filled)
These bits only take effect in conversion modes 10 and 11.
sampling
The sampling period starts after the first 4 input data are shifted in if they are decoded as one of the conversion
commands. These are select analog input (channel 0 through 7) and select test (channel 1 through 3).
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TLC1518 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:5-V, 10-BIT, 400 KSPS, 4/8 CHANNEL, LOW POWER, SERIAL ANALOG-TO-DIGITAL CONVERTERS WITH AUTO POWER DOWN |
| TLC1518D | 制造商:TI 制造商全稱:Texas Instruments 功能描述:5-V, 10-BIT, 400 KSPS, 4/8 CHANNEL, LOW POWER, SERIAL ANALOG-TO-DIGITAL CONVERTERS WITH AUTO POWER DOWN |
| TLC1518IDW | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10bit 400kSPS SAR 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 |
| TLC1518IDWG4 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10B 400 kSPS ADC PWR Down 8 Ch 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 |
| TLC1518IDWR | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10-Bit 400 kSPS Serial Out 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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