參數資料
| 型號： | CS5530-ISZR |
| 廠商： | Cirrus Logic Inc |
| 文件頁數： | 1/36頁 |
| 文件大小： | 0K |
| 描述： | IC ADC 24BIT 1CH W/LNA 20-SSOP |
| 標準包裝： | 1,000 |
| 位數： | 24 |
| 采樣率（每秒）： | 3.84k |
| 數據接口： | 串行 |
| 轉換器數目： | 1 |
| 功率耗散（最大）： | 45mW |
| 電壓電源： | 模擬和數字，雙 ± |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 20-SSOP（0.209"，5.30mm 寬） |
| 供應商設備封裝： | 20-SSOP |
| 包裝： | 帶卷 (TR) |
| 輸入數目和類型： | 1 個差分，單極；1 個差分，雙極 |
| 配用： | 598-1158-ND - BOARD EVAL FOR CS5530 |
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Copyright
Cirrus Logic, Inc. 2009
(All Rights Reserved)
http://www.cirrus.com
CS5530
24-bit ADC with Ultra-low-noise Amplifier
Features & Description
Chopper-stabilized Instrumentation
Amplifier, 64X
12 nV/
√Hz @ 0.1 Hz (No 1/f noise)
1200 pA Input Current
Digital Gain Scaling up to 40x
Delta-sigma Analog-to-digital Converter
Linearity Error: 0.0015% FS
Noise Free Resolution: Up to 19 bits
Scalable VREF Input: Up to Analog Supply
Simple Three-wire Serial Interface
SPI and Microwire Compatible
Schmitt-trigger on Serial Clock (SCLK)
Onboard Offset and Gain Calibration
Registers
Selectable Word Rates: 6.25 to 3,840 Sps
Selectable 50 or 60 Hz Rejection
Power Supply Configurations
VA+ = +5 V; VA- = 0 V; VD+ = +3 V to +5 V
VA+ = +2.5 V; VA- = -2.5 V; VD+ = +3 V to +5 V
VA+ = +3 V; VA- = -3 V; VD+ = +3 V
General Description
The CS5530 is a highly integrated
ΔΣ Analog-to-Digital
Converter (ADC) which uses charge-balance techniques
to achieve 24-bit performance. The ADC is optimized for
measuring low-level unipolar or bipolar signals in weigh
scale,
process
control,
scientific,
and
medical
applications.
To accommodate these applications, the ADC includes
a very-low-noise, chopper-stabilized instrumentation
amplifier (12 nV/
√Hz @ 0.1 Hz) with a gain of 64X. This
device also includes a fourth-order
ΔΣ modulator fol-
lowed by a digital filter which provides twenty selectable
output word rates of 6.25, 7.5, 12.5, 15, 25, 30, 50, 60, 100,
120, 200, 240, 400, 480, 800, 960, 1600, 1920, 3200, and
3840 Sps (MCLK = 4.9152 MHz).
To ease communication between the ADC and a micro-
controller, the converter includes a simple three-wire se-
rial interface which is SPI and Microwire compatible with
a Schmitt-trigger input on the serial clock (SCLK).
High dynamic range, programmable output rates, and
flexible power supply options make this device an ideal
solution
for
weigh
scale
and
process
control
applications.
ORDERING INFORMATION
See page 35.
VA+
C1
C2
VREF+
VREF-
VD+
DIFFERENTIAL
4TH ORDER
ΔΣ
MODULATOR
PROGRAMMABLE
SINC FIR FILTER
AIN1+
AIN1-
SERIAL
INTERFACE
LATCH
CLOCK
GENERATOR
CALIBRATION
SRAM/CONTROL
LOGIC
DGND
CS
SDI
SDO
SCLK
OSC2
OSC1
A1
A0
VA-
64X
NOV ‘09
DS742F3
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相關代理商/技術參數 |
參數描述 |
|---|---|
| CS5531 | 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:16 BIT AND 24 BIT ADCS WITH ULTRA LOW NOISE PGIA |
| CS5531_08 | 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:16-bit and 24-bit ADCs with Ultra-low-noise PGIA |
| CS5531-AS | 功能描述:模數轉換器 - ADC 2-Ch 16-Bit ADCs w/ Ultra Low Noise PGIA RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率: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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| CS5531-ASR | 功能描述:模數轉換器 - ADC IC 16-Bit ADCs w/UltraLw Noise PGIA RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率: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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| CS5531-ASZ | 功能描述:模數轉換器 - ADC 2-Ch 16-Bit ADCs w/ Ultra Low Noise PGIA RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率: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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
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