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| 型号： | CS5532-BSZ |
| 厂商： | Cirrus Logic Inc |
| 文件页数： | 1/43页 |
| 文件大小： | 0K |
| 描述： | IC ADC 24BIT 2CH W/LNA 20SSOP |
| 标准包装： | 66 |
| 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： | 管件 |
| 输入数目和类型： | 2 个差分，单极；2 个差分，双极 |
| 产品目录页面： | 755 (CN2011-ZH PDF) |
| 配用： | 598-1159-ND - BOARD EVAL FOR CS5532U ADC |
| 其它名称： | 598-1113-5 |
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Copyright
Cirrus Logic, Inc. 2008
(All Rights Reserved)
CS5531/32/33/34-AS
16-bit and 24-bit ADCs with Ultra-low-noise PGIA
Features
Chopper-stabilized PGIA (Programmable
Gain Instrumentation Amplifier, 1x to 64x)
– 12 nV/
√Hz @ 0.1 Hz (No 1/f noise) at 64x
– 1200 pA Input Current with Gains >1
Delta-sigma Analog-to-digital Converter
– Linearity Error: 0.0007% FS
– Noise Free Resolution: Up to 23 bits
Two- or Four-channel Differential MUX
Scalable Input Span via Calibration
– ±5 mV to differential ±2.5V
Scalable VREF Input: Up to Analog Supply
Simple Three-wire Serial Interface
– SPI and Microwire Compatible
– Schmitt Trigger on Serial Clock (SCLK)
R/W Calibration Registers Per Channel
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 CS5531/32/33/34 are highly integrated
Σ Analog-
to-Digital Converters (ADCs) which use charge-balance
techniques to achieve 16-bit (CS5531/33) and 24-bit
(CS5532/34) performance. The ADCs are optimized for
measuring low-level unipolar or bipolar signals in weigh
scale,
process
control,
scientific,
and
medical
applications.
To accommodate these applications, the ADCs come as
either
two-channel
(CS5531/32)
or
four-channel
(CS5533/34) devices and include a very low noise chop-
per-stabilized instrumentation amplifier (6 nV/
√Hz @ 0.1
Hz) with selectable gains of 1×, 2×, 4×, 8×, 16×, 32×, and
64×. These ADCs also include a fourth order
Σ modu-
lator followed 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 ADCs and a micro-
controller, the converters include 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 makes these ADCs ideal
solutions
for
weigh
scale
and
process
control
applications.
ORDERING INFORMATION
See page 47
VA+
C1
C2
VREF+
VREF-
VD+
DIFFERENTIAL
4TH ORDER
Σ
MODULATOR
PGIA
1,2,4,8,16
PROGRAMMABLE
SINC FIR FILTER
MUX
(CS5533/34
SHOWN)
AIN1+
AIN1-
AIN2+
AIN2-
AIN3+
AIN3-
AIN4+
AIN4-
SERIAL
INTERFACE
LATCH
CLOCK
GENERATOR
CALIBRATION
SRAM/CONTROL
LOGIC
DGND
CS
SDI
SDO
SCLK
OSC2
OSC1
A1
A0/GUARD
VA-
32,64
OCT ‘08
DS289F5
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相关代理商/技术参数 |
参数描述 |
|---|---|
| CS5532-BSZ/H | 制造商:Cirrus Logic 功能描述: |
| CS5532-BSZR | 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 |
| CS5533 | 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 |
| CS5533-AS | 功能描述:模数转换器 - ADC 4-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 |
| CS5533-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 |
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