參數(shù)資料
型號(hào)： ADS8507I
英文描述： 16-BIT 40-KSPS LOW POWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH INTERNAL REFERENCE AND PARALLEL/SERIAL INTERFACE
中文描述： 16位40 kSPS的低功耗采樣模擬到數(shù)字轉(zhuǎn)換的內(nèi)部基準(zhǔn)，并行/串行接口
文件頁數(shù)： 21/32頁
文件大?。?/td> 738K
代理商： ADS8507I
www.ti.com
or
GND
GND
GND
GND
GND
Pin1
Pin7
Pin2
Pin3
Pin4
Pin 6
15V
+15V
Vin
2.2 F
100 nF
2 k
22 pF
2 k
22 pF
200
100
33.2 k
2.2 F
2.2 F
100 nF
2.2 F
R1
IN
AGND1
R2
IN
R3
IN
CAP
REF
ADS8507
+
AGND2
DGND
GND
CALIBRATION
Hardware Calibration
To calibrate the offset and gain of the ADS8507 in hardware, install the resistors shown in
Figure 42
.
Table 7
lists the hardware trim ranges relative to the input for each input range.
1
2
3
4
5
AGND2
CAP
REF
AGND1
+
2.2
μ
F
200
V
IN
R1
IN
R2
IN
6
50 k
+ 5 V
1 M
+
2.2
μ
F
33.2 k
50 k
100
+ 5 V
1
2
3
4
5
AGND2
CAP
REF
AGND1
+
200
33.2 k
50 k
50 k
2.2
μ
F
6
R1
IN
R2
IN
100
V
IN
+
2.2
μ
F
+5 V
1 M
1
2
3
4
5
AGND2
CAP
REF
AGND1
+
200
33.2 k
50 k
50 k
2.2
μ
F
6
R1
IN
R2
IN
100
V
IN
+
2.2
μ
F
+5 V
1 M
±
10 V
0 V to 5 V
0 V to 4 V
ADS8507
SLAS381–DECEMBER 2006
INPUT RANGES (continued)
Figure 41. Typical Driving Circuit (
±
10 V, No Trim)
Table 7. Offset and Gain Adjust Ranges for Hardware Calibration (see
Figure 42
)
INPUT RANGE
±10 V
0 V to 5 V
0 V to 4 V
OFFSET ADJUST RANGE (mV)
±15
±4
±3
GAIN ADJUST RANGE (mV)
±60
±30
±30
Figure 42. Circuit Diagrams (With Hardware Trim)
21
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相關(guān)PDF資料
PDF描述
ADS8507IB 16-BIT 40-KSPS LOW POWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH INTERNAL REFERENCE AND PARALLEL/SERIAL INTERFACE
ADS8507IBDW 16-BIT 40-KSPS LOW POWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH INTERNAL REFERENCE AND PARALLEL/SERIAL INTERFACE
ADS8507IBDWG4 16-BIT 40-KSPS LOW POWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH INTERNAL REFERENCE AND PARALLEL/SERIAL INTERFACE
ADS8507IBDWR 16-BIT 40-KSPS LOW POWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH INTERNAL REFERENCE AND PARALLEL/SERIAL INTERFACE
ADS8507IBDWRG4 16-BIT 40-KSPS LOW POWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH INTERNAL REFERENCE AND PARALLEL/SERIAL INTERFACE
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADS8507IB 制造商:BB 制造商全稱:BB 功能描述:16-BIT 40-KSPS LOW POWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH INTERNAL REFERENCE AND PARALLEL/SERIAL INTERFACE
ADS8507IBDW 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16-Bit 40KSPS 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
ADS8507IBDWG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16-Bit 40KSPS 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
ADS8507IBDWR 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16-Bit 40KSPS 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
ADS8507IBDWRG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16-Bit 40KSPS 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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