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參數資料
| 型號： | CS5525 |
| 廠商： | Cirrus Logic, Inc. |
| 英文描述： | 16 BIT / 20 BIT MULTI RANGE ADC WITH 4 BIT LATCH |
| 中文描述： | 16位/ 20位ADC的范圍多有4位鎖存器 |
| 文件頁數： | 1/29頁 |
| 文件大小： | 483K |
| 代理商： | CS5525 |
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1
Copyright
Cirrus Logic, Inc. 2003
(All Rights Reserved)
Cirrus Logic, Inc.
www.cirrus.com
CS5525
CS5526
16-Bit/20-Bit Multi-Range ADC with 4-Bit Latch
Features
Delta-Sigma A/D Converter
-
Linearity Error: 0.0015%FS
-
Noise Free Resolution: 18-bits
Bipolar/Unipolar Input Ranges
-
25 mV, 55 mV, 100 mV, 1 V, 2.5 V and 5 V
Chopper Stabilized Instrumentation Amplifier
On-Chip Charge Pump Drive Circuitry
4-Bit Output Latch
Simple three-wire serial interface
-
SPI and Microwire Compatible
-
Schmitt Trigger on Serial Clock (SCLK)
Programmable Output Word Rates
-
3.76 Hz to 202Hz (XIN = 32.768 kHz)
-
11.47 Hz to 616 Hz (XIN = 100 kHz)
Output Settles in One Conversion Cycle
Simultaneous 50/60 Hz Noise Rejection
System and Self-Calibration with
Read/Write Registers
Single +5 V Analog Supply
+3.0 V or +5 V Digital Supply
Low Power Mode Consumption: 4.9 mW
-
1.8 mW in 1 V, 2.5 V, and 5 V Input Ranges
General Description
The 16-bit CS5525 and the 20-bit CS5526 are highly in-
tegrated
Σ
A/D converters which include an
instrumentation amplifier, a PGA (programmable gain
amplifier), eight digital filters, and self and system cali-
bration circuitry.
The converters are designed to provide their own nega-
tive supply which enables their on-chip instrumentation
amplifiers to measure bipolar ground-referenced signals
≤
±100 mV. By directly supplying NBV with -2.5 V and
with VA+ at 5 V,
±
2.5 V signals (with respect to ground)
can be measured.
The digital filters provide programmable output update
rates between 3.76 Hz to 202 Hz (XIN = 32.768 kHz).
Output word rates can be increased by approximately 3X
by using XIN = 100 kHz. Each filter is designed to settle
to full accuracy for its output update rate in one conver-
sion cycle. The filters with word rates of 15 Hz or less
(XIN = 32.768 kHz) reject both 50 and 60 Hz (
±
3 Hz) line
interference simultaneously.
Low power, single conversion settling time, programma-
ble output rates, and the ability to handle negative input
signals make these single supply products ideal solu-
tions for isolated and non-isolated applications.
ORDERING INFORMATION
See page26.
AIN+
AIN-
+
-
X20
Programmable
Gain
VA+
AGND
VREF+
VREF-
VD+
DGND
XIN XOUT
SDO
SDI
NBV
A0
A1
A2
A3
Latch
Differential
4th Order
Delta-Sigma
Modulator
Digital Filter
Calibration
Register
Control
Register
Output
Register
Calibration
Memory
Calibration
μ
C
Clock
Gen.
SCLK
CS
CPD
Nov ‘03
DS202F3
相關PDF資料 |
PDF描述 |
|---|---|
| CS5525-AP | 16 BIT / 20 BIT MULTI RANGE ADC WITH 4 BIT LATCH |
| CS5525-AS | 16 BIT / 20 BIT MULTI RANGE ADC WITH 4 BIT LATCH |
| CS5525-BP | 16 BIT / 20 BIT MULTI RANGE ADC WITH 4 BIT LATCH |
| CS5525-BS | 16 BIT / 20 BIT MULTI RANGE ADC WITH 4 BIT LATCH |
| CS5526 | 20-Bit Multi-Range ADC with 4-Bit Latch(帶4位鎖存器20位多層范圍A/D轉換器) |
相關代理商/技術參數 |
參數描述 |
|---|---|
| CS5525_05 | 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:16-bit/20-bit, Multi-range ADC with 4-bit Latch |
| CS5525-AP | 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:16 BIT / 20 BIT MULTI RANGE ADC WITH 4 BIT LATCH |
| CS5525-AS | 功能描述:模數轉換器 - ADC 16-Bit Delta Sigma Multi-Range ADC 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 |
| CS5525-ASZ | 功能描述:模數轉換器 - ADC 16-Bit Delta Sigma Multi-Range ADC 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 |
| CS5525-ASZR | 功能描述:模數轉換器 - ADC IC 16Bit Delta Sigma Multi-Range ADC 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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