參數(shù)資料
型號： ADS1217IPFBR
英文描述： 8-Channel, 24-Bit ANALOG-TO-DIGITAL CONVERTER
中文描述： 8通道，24位模擬數(shù)字轉(zhuǎn)換器
文件頁數(shù)： 17/28頁
文件大小： 458K
代理商： ADS1217IPFBR
ADS1217
SBAS260B
17
www.ti.com
ACR
(Address 02
H
) Analog Control Register
Reset Value = 00
H
bit 7
BOCS: Burnout Current Source
0 = Disabled (default)
1 = Enabled
IDAC Current =
V
R
8
DAC Code
)
(
REF
DAC
RANGE
2
1
(
)
bit 6-5
IDAC2R1: IDAC2R0: Full-Scale Range Select for
IDAC2
00 = Off (default)
01 = Range 1
10 = Range 2
11 = Range 3
IDAC1R1: IDAC1R0: Full-Scale Range Select for
IDAC1
00 = Off (default)
01 = Range 1
10 = Range 2
11 = Range 3
PGA2: PGA1: PGA0: Programmable Gain Amplifier
Gain Selection
000 = 1 (default)
001 = 2
010 = 4
011 = 8
100 = 16
101 = 32
110 = 64
111 = 128
bit 4-3
bit 2-0
IDAC1
(Address 03
H
) Current DAC 1
Reset Value = 00
H
bit 7
bit 6
bit 5
The DAC code bits set the output of DAC1 from 0 to full-
scale. The value of the full-scale current is set by this Byte,
V
REF
, R
DAC
, and the DAC1 range bits in the ACR register.
IDAC2
(Address 04
H
) Current DAC 2
Reset Value = 00
H
bit 7
bit 6
bit 5
The DAC code bits set the output of DAC2 from 0 to full-
scale. The value of the full-scale current is set by this Byte,
V
REF
, R
DAC
, and the DAC2 range bits in the ACR register.
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
BOCS
IDAC2R1
IDAC2R0 IDAC1R1
IDAC1R0
PGA2
PGA1
PGA0
bit 4
bit 3
bit 2
bit 1
bit 0
IDAC1_7
IDAC1_6
IDAC1_5
IDAC1_4
IDAC1_3
IDAC1_2
IDAC1_1
IDAC1_0
bit 4
bit 3
bit 2
bit 1
bit 0
IDAC2_7
IDAC2_6
IDAC2_5
IDAC2_4
IDAC1_3
IDAC1_2
IDAC1_1
IDAC1_0
ODAC
(Address 05
H
) Offset DAC Setting
Reset Value = 00
H
bit 7
Offset Sign
0 = Positive
1 = Negative
bit 6-0
Offset =
V
PGA
Code
127
REF
NOTE: The offset must be used after calibration or the
calibration will notify the effects.
DIO
(Address 06
H
) Digital I/O
Reset Value = 00
H
bit 7
bit 6
A value written to this register will appear on the digital
I/O pins if the pin is configured as an output in the DIR
register. Reading this register will return the value of the
digital I/O pins.
DIR
(Address 07
H
) Direction control for digital I/O
Reset Value = FF
H
bit 7
bit 6
bit 5
bit 4
Each bit controls whether the Digital I/O pin is an output
(= 0) or input (= 1). The default power-up state is as inputs.
DEC0
(Address 08
H
) Decimation Register
(Least Significant 8 bits)
Reset Value = 80
H
bit 7
bit 6
bit 5
The decimation value is defined with 11 bits for a range of 20
to 2047. This register is the least significant 8 bits. The 3
most significant bits are contained in the M/DEC1 register.
The default data rate is 10Hz with a 2.4576MHz crystal.
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
SIGN
OSET6
OSET5
OSET4
OSET3
OSET2
OSET1
OSET0
bit 3
bit 2
bit 1
bit 0
DIR7
DIR6
DIR5
DIR4
DIR3
DIR2
DIR1
DIR0
bit 4
bit 3
bit 2
bit 1
bit 0
DEC07
DEC06
DEC05
DEC04
DEC03
DEC02
DEC01
DEC00
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
DIO7
DIO6
DIO5
DIO4
DIO3
DIO2
DIO1
DIO0
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADS1217IPFBRG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 8-Ch 24B 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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
ADS1217IPFBT 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 8-Ch 24-Bit 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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
ADS1217IPFBT 制造商:Texas Instruments 功能描述:A/D Converter (A-D) IC 制造商:Texas Instruments 功能描述:IC, ADC, 24BIT, 780SPS, TQFP-48
ADS1217IPFBTG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 8-Ch 24-Bit 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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
ADS1218 制造商:BB 制造商全稱:BB 功能描述:8-Channel, 24-Bit ANALOG-TO-DIGITAL CONVERTER with FLASH Memory
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