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參數(shù)資料
| 型號： | CS5521-ASZR |
| 廠商： | Cirrus Logic Inc |
| 文件頁數(shù)： | 9/56頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 16BIT 2CH 20-SSOP |
| 標準包裝： | 1,000 |
| 位數(shù)： | 16 |
| 數(shù)據接口： | 串行 |
| 轉換器數(shù)目： | 1 |
| 功率耗散（最大）： | 10mW |
| 電壓電源： | 模擬和數(shù)字 |
| 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(shù)目和類型： | 2 個差分，單極；2 個差分，雙極 |
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CS5521/22/23/24/28
DS317F8
17
mentation amplifier, and providing a number of
flags which indicate converter operation.
A group of registers, called Channel Set-up Regis-
ters, are also included in the converters. These reg-
isters are used to hold pre-loaded conversion
instructions. Each channel set-up register is 24 bits
wide and holds two 12-bit conversion instructions
(Setups). Upon power-up, these registers can be
initialized by the user’s microcontroller with con-
version instructions. The user can then use bits in
the configuration register to choose a conversion
mode.
Several conversion modes are possible. Using the
single conversion mode, an 8-bit command word
can be written into the serial port. The command in-
cludes pointer bits which ‘point’ to a 12-bit com-
mand in one of the Channel Setup Registers which
is to be executed. The 12-bit commands can be set-
up to perform a conversion on any of the input
channels of the converter. More than one of the 12-
bit Setups can be used for the same analog input
channel. This allows the user to convert on the
same signal with either a different conversion
speed, a different gain range, or any of the other op-
tions available in the Setup Register. The user can
set up the registers to perform conversions using
different conversion options on each of the input
channels.
The ADCs also include multiple-channel conver-
sion capability. User bits in the configuration regis-
ter of the ADCs can be configured to sequence
through the 12-bit command Setups, performing a
conversion according to the content of each 12-bit
Setup. This channel scanning capability can be
configured to run continuously, or to scan through
a specified number of Setup Registers and stop un-
til commanded to continue. In the multiple-channel
scanning modes, the conversion data words are
loaded into an on-chip data FIFO. The converter is-
sues a flag on the SDO pin when a scan cycle is
completed so the user can read the FIFO. More de-
tails are given in the following pages.
Instructions are provided on how to initialize the
converter, perform offset and gain calibrations, and
to configure the converter for the various conver-
sion modes. Each of the bits of the configuration
register and of the Channel Setup Registers is de-
scribed. A list of examples follows the description
section. Table 2 can be used to decode all valid
commands (the first 8 bits into the serial port).
AIN1
AIN2
AIN3
AIN4
4 (24)
4 (12 x 2)
8 x 24
Off 1
Off 2
Off 3
Off 4
Gain 1
Gain 2
Gain 3
Gain 4
Setup 1
Setup 3
Setup 5
Setup 7
Setup 2
Setup 4
Setup 6
Setup 8
DATA
FIFO
SDO
1 x 24
Configuration
Chop Frequency
Multiple Conversions
Depth Pointer
Loop
Read Convert
Powerdown Modes
Flags
Etc.
Latch Outputs
Channel Select
Output Word Rate
PGA Selection
Unipolar/Bipolar
Figure 9. CS5523/24 Register Diagram
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| CS5522 | 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:16-bit or 24-bit, 2/4/8-channel ADCs with PGIA |
| CS5522-AP | 功能描述:模數(shù)轉換器 - ADC 2-Ch 24-Bit Delta Sigma ADC RoHS:否 制造商:Texas Instruments 通道數(shù)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 |
| CS5522-AS | 功能描述:模數(shù)轉換器 - ADC 2-Ch 24-Bit Delta Sigma ADC RoHS:否 制造商:Texas Instruments 通道數(shù)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 |
| CS5522-ASZ | 功能描述:模數(shù)轉換器 - ADC 2-Ch 24-Bit Delta Sigma ADC RoHS:否 制造商:Texas Instruments 通道數(shù)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 |
| CS5522-ASZR | 功能描述:模數(shù)轉換器 - ADC IC 2-Chl 16Bit Bffrd Dlt Sgm Mlt-Rng ADC RoHS:否 制造商:Texas Instruments 通道數(shù)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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