參數(shù)資料
型號(hào)： CS5531-ASZR
廠商： Cirrus Logic Inc
文件頁數(shù)： 28/43頁
文件大?。?/td> 0K
描述： IC ADC 16BIT 2CH W/LNA 20-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： 20-SSOP（0.209"，5.30mm 寬）
供應(yīng)商設(shè)備封裝： 20-SSOP
包裝： 帶卷 (TR)
輸入數(shù)目和類型： 2 個(gè)差分，單極；2 個(gè)差分，雙極
CS5531/32/33/34-AS
34
DS289F5
rial port returns to the command mode, where it
waits for a new command to be issued. The single
conversion mode will take longer than conversions
performed in the continuous conversion mode. The
number of clock cycles a single conversion takes
for each Output Word Rate (OWR) setting is listed
in Table 1. The ± 8 (FRS = 0) or ± 10 (FRS = 1)
clock ambiguity is due to internal synchronization
between the SCLK input and the oscillator.
Note:
In the single conversion mode, more than one
conversion is actually performed, but only the
final, fully settled result is output to the
conversion data register.
2.6.2. Continuous Conversion Mode
Based on the information provided in the channel-
setup registers (CSRs), continuous conversions are
performed using the Setup register contents pointed
to by the conversion command. The command byte
includes a pointer address to the Setup register to
be used during the conversion. Once transmitted,
the serial port enters data mode where it waits until
a conversion is complete. After the conversion is
done, SDO falls to logic 0. Forty SCLKs are then
needed to read the conversion. The first 8 SCLKs
are used to clear the SDO flag. The last 32 SCLKs
are needed to read the conversion result. If
‘00000000’ is provided to SDI during the first 8
SCLKs when the SDO flag is cleared, the converter
remains in this conversion mode and continues to
convert the selected channel using the same CSR
Setup. In continuous conversion mode, not every
conversion word needs to be read. The user needs
only to read the conversion words required for the
application as SDO rises and falls to indicate the
availability of new conversion data. Note that if a
conversion is not read before the next conversion
data becomes available, it will be lost and replaced
by the new conversion data. To exit this conversion
mode, the user must provide ‘11111111’ to the SDI
pin during the first 8 SCLKs after SDO falls. If the
user decides to exit, 32 SCLKs are required to
clock out the last conversion before the converter
returns to command mode. The number of clock
cycles a continuous conversion takes for each Out-
put Word Setting is listed in Table 2. The first con-
version from the part in continuous conversion
mode will be longer than the following conversions
due to start-up overhead. The ± 8 (FRS = 0) or ± 10
(FRS = 1) clock ambiguity is due to internal syn-
chronization between the SCLK input and the os-
cillator.
Note:
When changing channels, or after performing
calibrations and/or single conversions, the
user must ignore the first three (for OWRs
less than 3200 Sps, MCLK = 4.9152 MHz) or
first five (for OWR
≥ 3200 Sps) conversions in
continuous conversion mode, as residual
filter coefficients must be flushed from the
filter before accurate conversions are
performed.
Table 1. Conversion Timing – Single Mode
(WR3-WR0)
Clock Cycles
FRS = 0
FRS = 1
0000
171448 ± 8
205738 ± 10
0001
335288 ± 8
402346 ± 10
0010
662968 ± 8
795562 ± 10
0011
1318328 ± 8
1581994 ± 10
0100
2629048 ± 8
3154858 ± 10
1000
7592 ± 8
9110 ± 10
1001
17848 ± 8
21418 ± 10
1010
28088 ± 8
33706 ± 10
1011
48568 ± 8
58282 ± 10
1100
89528 ± 8
107434 ± 10
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
CS5532 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
CS5532-AS 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 2-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
CS5532-ASR 功能描述:模數(shù)轉(zhuǎn)換器 - ADC IC 16-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
CS5532-ASZ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 2-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
CS5532-ASZR 功能描述:模數(shù)轉(zhuǎn)換器 - ADC IC 16-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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