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参数资料
| 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： | 2/37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
10
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
tACQ
Aa
Ab
Ac
Ad
XDa
Db
Dc
CS
CSTART
DATA IN
EOC
DATA OUT
Async Flag
Read Out
Cycle
Read Out
Cycle
Read Out
Cycle
FS
(DSP Mode)
Complete Extended
Sample Cycle
tACQ
NOTES: A. Aa = Address for input channel a.
B. Da = Conversion result from channel a.
Hi–Z
Normal
Cycle
Normal
Cycle
Extended
Sample
Cycle
Extended
Sample
Cycle
Figure 2. Extended Sampling Operation
reference voltage inputs
There are two reference inputs used with the TLV1544/TLV1548, REF+ and REF–. These voltage values
establish the upper and lower limits of the analog inputs to produce a full-scale and zero-scale reading
respectively. The values of REF+, REF–, and the analog input should not exceed the positive supply or be lower
than GND consistent with the specified absolute maximum ratings. The digital output is at full scale when the
input signal is equal to or higher than REF+ and is at zero when the input signal is equal to or lower than REF–.
programmable conversion rate
The TLV1544/TLV1548 offers two conversion rates to maximize battery life when high-speed operation is not
necessary. The conversion rate is programmable. Once the conversion rate has been selected, it takes effect
immediately in the same cycle and stays at the same rate until the other rate is chosen. The conversion rate
should be set at power up. Activation and deactivation of the power-down state (digital logic active) has no effect
on the preset conversion rate.
相关PDF资料 |
PDF描述 |
|---|---|
| TLV1544IPW | 4-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO16 |
| TLV1544CD | 4-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO16 |
| TLV1544CDR | 4-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO16 |
| TLV1544IDR | 4-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO16 |
| TLV1544CPWR | 4-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO16 |
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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