參數(shù)資料
型號： CS5533-ASZR
廠商： Cirrus Logic Inc
文件頁數(shù)： 1/43頁
文件大小： 0K
描述： IC ADC 16BIT 2CH W/LNA 24-SSOP
標(biāo)準(zhǔn)包裝： 1,000
位數(shù)： 16
采樣率（每秒）： 3.84k
數(shù)據(jù)接口： 串行
轉(zhuǎn)換器數(shù)目： 1
功率耗散（最大）： 45mW
電壓電源： 模擬和數(shù)字，雙 ±
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 24-SSOP（0.209"，5.30mm 寬）
供應(yīng)商設(shè)備封裝： 24-SSOP
包裝： 帶卷 (TR)
輸入數(shù)目和類型： 4 個(gè)差分，單極；4 個(gè)差分，雙極
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
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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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
CS5534 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
CS5534-AS 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 4-Ch 24-Bit ADCs w/ Ultra Low Noise PGIA 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
CS5534-ASR 功能描述:模數(shù)轉(zhuǎn)換器 - ADC IC 24-Bit ADCs w/UltraLw Noise PGIA 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
CS5534-ASZ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 4-Ch 24-Bit ADCs w/ Ultra Low Noise PGIA 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
CS5534-ASZR 功能描述:模數(shù)轉(zhuǎn)換器 - ADC IC 24-Bit ADCs w/UltraLw Noise PGIA 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
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