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| 型号： | TLV1548CDBRG4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | ADC |
| 英文描述： | 8-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20 |
| 封装： | GREEN, PLASTIC, SSOP-20 |
| 文件页数： | 4/37页 |
| 文件大小： | 693K |
| 代理商： | TLV1548CDBRG4 |
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TLV1544C, TLV1544I, TLV1548C, TLV1548I, TLV1548M
LOW-VOLTAGE 10-BIT ANALOG-TO-DIGITAL CONVERTERS
WITH SERIAL CONTROL AND 4/8 ANALOG INPUTS
SLAS139C – DECEMBER 1996 – REVISED JANUARY 1999
12
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
9h
0h
Ab
X
D0
MUX Address for Channel 0
AsyncFlag Reset Low
Conversion Rate Set to Fast
Conversion Result From Channel 0
CS
DATA IN
DATA OUT
EOC
Signal Channel 0 Converted
FS
(For DSP Mode)
First Cycle After Powerup
Async Flag
(Internal)
Hi–Z
X
Figure 4. Power Up Initialization
input clock inversion – INV CLK
The input data register uses I/O CLK as the source of the sampling clock. This clock can be inverted to provide
more setup time. INV CLK can invert the clock. When INV CLK is grounded, the input clock for the input data
register is inverted. This allows an additional one-half I/O CLK period for the input data setup time. This is useful
for some serial interfaces. When the input sampling clock is inverted, the output data changes at the same time
that the input data is sampled.
Table 6. Function of INV CLK
CONDITION
CLOCK
I/O CLK ACTIVE EDGE
INV CLK
FS at CS
↓
OUTPUT DATA
CHANGES ON
INPUT DATA
SAMPLED ON
High
High (MP mode)
↓
↑
High
Low (DSP mode)
↑
↓
Low
High (MP mode)
↓
Low
Low (DSP mode)
↑
MP = microprocessor mode
DSP = digital signal processor mode
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| TLV1544CDR | 4-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO16 |
| TLV1544IDR | 4-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO16 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TLV1548-EP | 制造商:TI 制造商全称:Texas Instruments 功能描述:LOW-VOLTAGE 10-BIT ANALOG-TO-DIGITAL CONVERTER WITH SERIAL CONTROL AND 8 ANALOG INPUTS |
| TLV1548I | 制造商:TI 制造商全称:Texas Instruments 功能描述:LOW-VOLTAGE 10-BIT ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL CONTROL AND 4/8 ANALOG INPUTS |
| TLV1548IDB | 功能描述:模数转换器 - ADC 10bit A/D w/DSP Int RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| TLV1548IDBG4 | 功能描述:模数转换器 - ADC 10-Bit 85 kSPS Serial Out RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| TLV1548IDBR | 功能描述:模数转换器 - ADC 10-Bit 85 kSPS Serial Out RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
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