參數(shù)資料
型號： MAX1329BETL+T
廠商： Maxim Integrated Products
文件頁數(shù)： 41/78頁
文件大?。?/td> 0K
描述： IC DAS 12BIT 300KSPS 40-TQFN-EP
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝： 2,500
系列： *
MAX1329/MAX1330
12-/16-Bit DASs with ADC, DACs, DPIOs, APIOs,
Reference, Voltage Monitors, and Temp Sensor
46
______________________________________________________________________________________
MSB
NAME
DITH
ACCC2
ACCC1
ACCC0
ACCDATA19
ACCDATA18
ACCDATA17
ACCDATA16
DEFAULT
0
000
00
NAME
ACCDATA15
ACCDATA14
ACCDATA13
ACCDATA12
ACCDATA11
ACCDATA10
ACCDATA9
ACCDATA8
DEFAULT
0
000
00
LSB
NAME
ACCDATA7
ACCDATA6
ACCDATA5
ACCDATA4
ACCDATA3
ACCDATA2
ACCDATA1
ACCDATA0
DEFAULT
0
000
00
Read Format
ADC Accumulator Register
The ADC Accumulator register contains the bits to
enable dither, set the accumulator count, and set the
20-bit accumulator data. The dither and accumulator
count bits are read/write and the accumulator data is
read only. A write to the register resets the accumulator
data (ACCDATA<19:0>) to 0x00000 and starts new
accumulation. The ACCDATA<19:0> bits remain
unchanged until the programmed count of conver-
sions is completed. The accumulator is functional for
the normal, fast power-down, and burst modes.
DITH: Dither bit (default = 0). When DITH = 0, the dither
generator is disabled and the accumulator can be used
for oversampling and providing digital filtering (see the
Applying a Digital Filter to ADC Data Using the 20-Bit
Accumulator section). When DITH = 1, the dithering for
the ADC is enabled. Use dithering with the accumulator
to oversample data and decimate the result to extend the
effective resolution to a maximum of 16 bits and provide
digital filtering.
ACCC<2:0> ADC Accumulator Count bits (default =
000). The ACCC<2:0> bits set the number of ADC data
conversion results to be accumulated and then written to
the ACCDATA register before the ACF Status bit is set
(see Table 12). The ACF status bit is set in the Status
register when the data is written to the ACCDATA regis-
ter. If the accumulator count is set to 1, the accumulator
does not accumulate and the ACCDATA<11:0> is the
same as ADCDATA<11:0> in the ADC Data register.
ACCDATA<19:0>: ADC Accumulator Data bits (default =
0x00000). The ACCDATA<19:0> bits are the summation
of up to 256 ADC conversion results. When the count set
by ACCC<2:0> has been reached, the ACF status bit is
set and the accumulated data is written to this register.
The data is written to the register at a rate of the ADC
conversion rate divided by the accumulator count. The
accumulator does not exceed 0xFFFFF.
MSB
LSB
NAME
DITH
ACCC2
ACCC1
ACCC0
XXXX
DEFAULT
0000
XXXX
X = Don’t care.
Write Format
Table 12. ADC Accumulator-Count Bit
Configuration
ACCC2
ACCC1
ACCC0
ACCUMULATOR COUNT
000
1
001
4
010
8
011
16
100
32
101
64
110
128
111
256
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參數(shù)描述
MAX132C/D 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 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
MAX132CNG 功能描述:模數(shù)轉(zhuǎn)換器 - ADC Integrated Circuits (ICs) 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
MAX132CNG+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 18-Bit .1ksps .545V Precision ADC 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
MAX132CWG 功能描述:模數(shù)轉(zhuǎn)換器 - ADC Integrated Circuits (ICs) 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
MAX132CWG+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 18-Bit .1ksps .545V Precision ADC 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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