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參數(shù)資料
| 型號： | CS5531-ASZ |
| 廠商： | Cirrus Logic Inc |
| 文件頁數(shù)： | 6/43頁 |
| 文件大小： | 0K |
| 描述： | IC ADC 16BIT 2CH W/LNA 20SSOP |
| 標(biāo)準(zhǔn)包裝： | 66 |
| 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： | 管件 |
| 輸入數(shù)目和類型： | 2 個差分，單極；2 個差分，雙極 |
| 產(chǎn)品目錄頁面： | 755 (CN2011-ZH PDF) |
| 其它名稱： | 598-1111-5 |
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CS5531/32/33/34-AS
14
DS289F5
2.1.4. No Offset DAC
An offset DAC was not included in the CS553X
family because the high dynamic range of the con-
verter eliminates the need for one. The offset regis-
ter can be manipulated by the user to mimic the
function of a DAC if desired.
2.2. Overview of ADC Register Structure
and Operating Modes
The CS5531/32/33/34 ADCs have an on-chip con-
troller, which includes a number of user-accessible
registers. The registers are used to hold offset and
gain calibration results, configure the chip's operat-
ing modes, hold conversion instructions, and to
store conversion data words. Figure 6 depicts a
block diagram of the on-chip controller’s internal
registers.
Each of the converters has 32-bit registers to func-
tion as offset and gain calibration registers for each
channel. The converters with two channels have
two offset and two gain calibration registers, the
converters with four channels have four offset and
four gain calibration registers. These registers hold
calibration results. The contents of these registers
can be read or written by the user. This allows cal-
ibration data to be off-loaded into an external EE-
PROM. The user can also manipulate the contents
of these registers to modify the offset or the gain
slope of the converter.
The converters include a 32-bit configuration reg-
ister which is used for setting options such as the
power down modes, resetting the converter, short-
ing the analog inputs, and enabling diagnostic test
bits like the guard signal.
A group of registers, called Channel Setup Regis-
ters, are used to hold pre-loaded conversion in-
structions. Each channel setup register is 32 bits
long, and holds two 16-bit conversion instructions
referred to as Setups. Upon power up, these regis-
ters can be initialized by the system microcontrol-
ler with conversion instructions. The user can then
Offset 1(1x 32)
Offset 2 (1 x 32)
Offset 3 (1 x 32)
Offset 4 (1 x 32)
Gain 1 (1 x 32)
Gain 2 (1 x 32)
Gain 3 (1 x 32)
Gain 4 (1 x 32)
Setup 1
(1 x 16)
Setup 2
(1 x 16)
Setup 4
(1 x 16)
Setup 6
(1 x 16)
Setup 8
(1 x 16)
Setup 3
(1 x 16)
Setup 5
(1 x 16)
Setup 7
(1 x 16)
Offset Registers (4 x 32)
Gain Registers (4 x 32)
Channel Setup
Registers (4 x 32)
Conversion Data
Register (1 x 32)
Configuration Register (1 x 32)
Power Save Select
Reset System
Input Short
Guard Signal
Voltage Reference Select
Output Latch
Output Latch Select
Channel Select
Gain
Word Rate
Unipolar/Bipolar
Output Latch
Delay Time
Open Circuit Detect
CS
SDI
SDO
SCLK
Read
O
n
ly
Com mand
Register (1 × 8)
Wr
it
e
O
n
ly
Serial
Interface
Data (1 x 32)
Offset/Gain Select
Filter Rate Select
Offset/Gain Pointer
Figure 6. CS5531/32/33/34 Register Diagram
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| CS5531-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 |
| 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 |
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