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参数资料
| 型号： | CDB5526 |
| 厂商： | Cirrus Logic Inc |
| 文件页数： | 29/30页 |
| 文件大小： | 0K |
| 描述： | EVAL BOARD FOR CS5526 |
| 标准包装： | 1 |
| ADC 的数量： | 1 |
| 位数： | 20 |
| 采样率（每秒）： | 606 |
| 数据接口： | 串行 |
| 输入范围： | ±2.5 V |
| 在以下条件下的电源（标准）： | 9.4mW @ 15SPS，5 V |
| 工作温度： | -40°C ~ 85°C |
| 已用 IC / 零件： | CS5526 |
| 已供物品： | 板，CD |
| 相关产品： | CS5526-BSZR-ND - IC ADC 20BIT W/4BIT LATCH 20SSOP 598-1108-5-ND - IC ADC 20BIT W/4BIT LATCH 20SSOP |
| 其它名称： | 598-1014 |
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CS5525 CS5526
8
DS202F5
DETAILED DESCRIPTION
The CS5525 and CS5526 are 16-bit and 20-bit pin
compatible converters which include a chopper-
stabilized instrumentation amplifier input, and an
on-chip programmable gain amplifier. They are
both optimized for measuring low-level unipolar or
bipolar signals in process control and medical ap-
plications.
The CS5525/26 also include a fourth order delta-
sigma modulator, a calibration microcontroller,
eight digital filters, a 4-bit analog latch, and a serial
port.
The digital filters provide any one of eight
different output update rates.
The CS5525/26 include a CPD (Charge Pump
Drive) output (shown in Figure 1). CPD provides a
negative bias voltage to the on-chip instrumenta-
tion amplifier when used with a combination of ex-
ternal diodes and capacitors. This enables the
CS5525/26 to measure negative voltages with re-
spect to ground, making the converters ideal for
thermocouple temperature measurements.
Theory of Operation
The CS5525/26 A/D converters are designed to op-
erate from a single +5 V analog supply and provide
several different input ranges. See the Analog
Characteristics section on page 3 for details.
Figure 1 illustrates the CS5525/26 connected to
generate their own negative bias supply using the
on-chip CPD (Charge Pump Drive). This enables
the CS5525/26 to measure ground referenced sig-
nals with magnitudes down to NBV (Negative Bias
Voltage, approximately -2.1 V in this example).
Figure 2 illustrates a charge pump circuit when the
converters are powered from a +3.0 V digital sup-
ply. Alternatively, the negative bias supply can be
generated from a negative supply voltage or a resis-
tive divider as illustrated in Figure 3.
Figure 1. CS5525/26 Configured to use on-chip charge pump to supply NBV.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| CDB5528 | 制造商:CIRRUS 制造商全称:Cirrus Logic 功能描述:Evaluation Board and Software |
| CDB5529 | 功能描述:EVAL BOARD FOR CS5529 RoHS:否 类别:编程器，开发系统 >> 评估板 - 模数转换器 (ADC) 系列:- 产品培训模块:Obsolescence Mitigation Program 标准包装:1 系列:- ADC 的数量:1 位数:12 采样率（每秒）:94.4k 数据接口:USB 输入范围:±VREF/2 在以下条件下的电源（标准）:- 工作温度:-40°C ~ 85°C 已用 IC / 零件:MAX11645 已供物品:板，软件 |
| CDB5530U | 功能描述:数据转换 IC 开发工具 Eval Bd 24-Bit 1-Ch Low-Noise ADC RoHS:否 制造商:Texas Instruments 产品:Demonstration Kits 类型:ADC 工具用于评估:ADS130E08 接口类型:SPI 工作电源电压:- 6 V to + 6 V |
| CDB5532U | 功能描述:数据转换 IC 开发工具 Eval Bd 24Bit ADC w/ Ultra Low-Noise USB RoHS:否 制造商:Texas Instruments 产品:Demonstration Kits 类型:ADC 工具用于评估:ADS130E08 接口类型:SPI 工作电源电压:- 6 V to + 6 V |
| CDB5534U | 功能描述:数据转换 IC 开发工具 Eval Bd 24Bit ADC w/ Ultra Low-Noise USB RoHS:否 制造商:Texas Instruments 产品:Demonstration Kits 类型:ADC 工具用于评估:ADS130E08 接口类型:SPI 工作电源电压:- 6 V to + 6 V |
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