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参数资料
| 型号： | TLV5535IPWG4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | ADC |
| 英文描述： | 1-CH 8-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO28 |
| 封装： | GREEN, PLASTIC, TSSOP-28 |
| 文件页数： | 10/35页 |
| 文件大小： | 723K |
| 代理商： | TLV5535IPWG4 |
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TLV5535
8-BIT, 35 MSPS, LOW-POWER ANALOG-TO-DIGITAL CONVERTER
SLAS221 – JUNE 1999
18
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TLV5535 EVALUATION MODULE
power supplies
The board provides seven power supply connectors (see Table 2). For optimum performance, analog and digital
supplies should be kept separate. Using separate supplies for the digital logic portion of TLV5535 (DVDD) and
its output drivers (DRVDD) benefits dynamic performance, especially when DRVDD is put at the minimum
required voltage (3 V), while DVDD might be higher (up to 3.6 V). This lowers the switching noise on the die
caused by the output drivers.
Table 2. Power Supplies
SIGNAL
NAME
CONNECTOR
BOARD
LABEL
DESCRIPTION
DRV3
J1
3DRV
3.3 V digital supply for TLV5535 (digital output drivers)
DV3
J2
3VD
3.3 V digital supply for TLV5535 (digital logic) and peripherals
DV5
J3
5VD
5 V digital supply for D/A converter and peripherals
AV3
J4
3VA
3.3 V analog supply for TLV5535
AV5
J5
5VA
5 V analog supply for onboard reference circuit and D/A converter. Can be left unconnected if
internal references are used and no D/A conversion is required.
AV+12
J6
12VA
12 V analog supply for onboard reference circuit. Can be left unconnected if internal references
are used.
AV–12
J7
–12VA
–12 V analog supply for onboard reference circuit. Can be left unconnected if internal
references are used.
voltage references
SW1 and SW2 switch between internal and external top and bottom references respectively. The external
references are onboard generated from a stable bandgap-derived 3.3 V signal (using TI’s TPS7133 and
quad-opamp TLE2144). They can be adjusted via potentiometers R6 (V(REFBI)) and R7 (V(REFTI)). It is advised
to power down the internal voltage references by asserting PWN_REF when onboard references are used.
The references are measured at test points TP3 (V(REFB)) and TP4 (V(REFT)).
DAC output
The onboard DAC is a 10-bit 80 MSPS converter. It is connected back-to-back to the TLV5535. While the user
could use its analog output for measurements, the DAC output is directly connected to connector J8 and does
not pass through an analog reconstruction filter. So mirror spectra from aliased signal components feed through
into the analog output.
For this reason and to separate ADC and DAC contributions, performance measurements should be made by
capturing the ADC output data available on connector J11 and not by evaluating the DAC output.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TLV5535IPWR | 功能描述:模数转换器 - ADC 8 Bit 35 MSPS Single Ch. Low Pwr 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 |
| TLV5535IPWRG4 | 功能描述:模数转换器 - ADC 8 Bit 35 MSPS Single Ch. Low Pwr 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 |
| TLV5535IPWRG4Q1 | 功能描述:模数转换器 - ADC 8 Bit 35MSPS ADC Sgl Ch Low Pwr 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 |
| TLV5535IPWRQ1 | 功能描述:模数转换器 - ADC Auto Cat 8B 35MSPS ADC Sgl Ch. Lo Pwr 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 |
| TLV5535PW | 制造商:TI 制造商全称:Texas Instruments 功能描述:8-BIT, 35 MSPS, LOW-POWER ANALOG-TO-DIGITAL CONVERTER |
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