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參數(shù)資料
| 型號(hào)： | CS5513 |
| 元件分類： | 串行ADC |
| 英文描述： | CS5510/11/12/13 Product Data Sheet|DC Measurement|A/D Converters |
| 中文描述： | CS5510/11/12/13產(chǎn)品數(shù)據(jù)|直流測(cè)量| A / D轉(zhuǎn)換 |
| 文件頁(yè)數(shù)： | 10/26頁(yè) |
| 文件大?。?/td> | 499K |
| 代理商： | CS5513 |
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CS5510/11/12/13
10
DS337F1
2. GENERAL DESCRIPTION
The CS5510/11/12/13 are low-cost, easy-to-use,
Σ
Analog-to-Digital Converters (ADCs) which
use charge balance techniques to achieve 16-bit
(CS5510/11) and 20-bit (CS5512/13) performance.
The ADCs are available in a space efficient 8-pin
SOIC package and are optimized for measuring
signals in weigh scale, process control, and other
industrial applications.
To accommodate these applications, the ADCs in-
clude a fourth order
Σ
modulator and a digital fil-
ter. When configured with an external master clock
of 32.768 kHz, the filter in the CS5510/12 provides
better than 80 dB of simultaneous 50 and 60 Hz
line rejection, and outputs conversion words at
53.5 Hz. The CS5511/13 include an on-chip oscil-
lator which eliminates the need for an external
clock source.
The CS5510/11/12/13 ADCs are designed to oper-
ate from a single +5 V supply or a variety dual sup-
ply configurations and are optimized to digitize
bipolar signals in industrial applications.
To achieve low cost, the CS5510/11/12/13 family
of converters have no on-chip calibration features.
The CS5510/11/12/13 offer very low offset drift,
low gain drift, and excellent linearity.
2.1
The CS5510/11/12/13 provides a differential input
span of approximately ±(0.80 ± 0.08) times the dif-
ferential voltage reference (VREF - V-). This trans-
lates to typically ±4.0 V fully differential when the
reference voltage between VREF and V- is 5 V,
and typically ±2.0 V fully differential at 2.5 V.
Analog Input
Note:
When a smaller reference voltage is used,
the resulting code widths are smaller. Since
the output codes exhibit more changing
codes for a fixed amount of noise, the
converter appears noisier.
2.1.1
Analog Input Model
Figure 3 illustrates the input model for the AIN
pins. The model includes a coarse/fine charge buff-
er which reduces the dynamic current demands
from the signal source. The buffer is designed to
accommodate rail to rail (common-mode plus sig-
nal) input voltages. Typical CVF (sampling) cur-
rent is about 10 nA. Application Note 30,
“Switched-Capacitor A/D Input Structures”, de-
tails various input architectures.
2.2
The voltage between the VREF and V- pins of the
converter determines the voltage reference for the
converter. This voltage can be as low as 250 mV, or
Voltage Reference Input
AIN
φ
Coarse
1
φ
Fine
1
f = 32.768 kHz
V
≤
25 mV
os
i
=
f V
C
os
n
C
=
12pF
Figure 3. Input models for AIN+ and AIN- pins.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| CS5516-SD | Analog-to-Digital Converter， 16-Bit |
| CS5542 | Analog IC |
| CS5542-KL | Other/Special/Miscellaneous Converter |
| CS5543 | 22-Bit， Multi-Channel， Delta Sigma ADC ChipSet|DC Measurement|A/D Converters |
| CS5543-KL | Digital Filter |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CS5513-BS | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 20-Bit Delta Sigma ADC Int. OSC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| CS5513-BSR | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC IC 20-Bit 8-Pin Delta Sigma ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| CS5513-BSZ | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 20-Bit Delta Sigma ADC Int. OSC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| CS5513-BSZR | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC IC 20-Bit 8-Pin Delta Sigma ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| CS5516 | 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:16BIT/20-BIT BRIDGE TRANSDUCER A/D CONVERTER |
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