参数资料
| 型号： | CS5530-ISZR |
| 厂商： | Cirrus Logic Inc |
| 文件页数： | 25/36页 |
| 文件大小： | 0K |
| 描述： | IC ADC 24BIT 1CH W/LNA 20-SSOP |
| 标准包装： | 1,000 |
| 位数： | 24 |
| 采样率（每秒）： | 3.84k |
| 数据接口： | 串行 |
| 转换器数目： | 1 |
| 功率耗散（最大）： | 45mW |
| 电压电源： | 模拟和数字，双 ± |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-SSOP（0.209"，5.30mm 宽） |
| 供应商设备封装： | 20-SSOP |
| 包装： | 带卷 (TR) |
| 输入数目和类型： | 1 个差分，单极；1 个差分，双极 |
| 配用： | 598-1158-ND - BOARD EVAL FOR CS5530 |
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CS5530
DS742F3
31
2.11 Getting Started
This A/D converter has several features. From a
software programmer’s prospective, what should
be done first? To begin, a 4.9152 MHz or 4.096
MHz crystal takes approximately 20 ms to start. To
accommodate for this, it is recommended that a
software delay of approximately 20 ms be inserted
before the start of the processor’s ADC initializa-
tion code. Next, since the CS5530 does not provide
a power-on-reset function, the user must first ini-
tialize the ADC to a known state. This is accom-
plished by resetting the ADC’s serial port with the
Serial Port Initialization sequence. This sequence
resets the serial port to the command mode and is
accomplished by transmitting 15 SYNC1 com-
mand bytes (0xFF hexadecimal), followed by one
SYNC0 command (0xFE hexadecimal). Once the
serial port of the ADC is in the command mode, the
user must reset all the internal logic by performing
a system reset sequence (see 2.3.2 System Reset
Sequence). After the converter is properly reset,
the configuration register bits should be configured
as appropriate, for example, the voltage reference
selection, word rate, signal polarity(unipolar or bi-
polar) should be configured.
Calibrations or conversions can then be performed
as appropriate.
2.12 PCB Layout
For optimal performance, the CS5530 should be
placed entirely over an analog ground plane. All
grounded pins on the ADC, including the DGND
pin, should be connected to the analog ground
plane that runs beneath the chip. In a split-plane
system, place the analog-digital plane split imme-
diately adjacent to the digital portion of the chip.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| CS5531 | 制造商:CIRRUS 制造商全称:Cirrus Logic 功能描述:16 BIT AND 24 BIT ADCS WITH ULTRA LOW NOISE PGIA |
| CS5531_08 | 制造商:CIRRUS 制造商全称:Cirrus Logic 功能描述:16-bit and 24-bit ADCs with Ultra-low-noise PGIA |
| CS5531-AS | 功能描述:模数转换器 - ADC 2-Ch 16-Bit ADCs w/ Ultra Low Noise PGIA 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 |
| CS5531-ASR | 功能描述:模数转换器 - ADC IC 16-Bit ADCs w/UltraLw Noise PGIA 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 |
| CS5531-ASZ | 功能描述:模数转换器 - ADC 2-Ch 16-Bit ADCs w/ Ultra Low Noise PGIA 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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