參數(shù)資料
型號： ADS7825UB
英文描述： OSC 5V SMT 7X5 CMOS PROGRM
中文描述： 4通道，16位采樣的CMOS A / D轉(zhuǎn)換
文件頁數(shù)： 2/16頁
文件大?。?/td> 342K
代理商： ADS7825UB
2
ADS7825
SPECIFICATIONS
ELECTRICAL
At T
A
= –40
°
C to +85
°
C, f
S
= 40kHz, V
S1
= V
S2
= V
S
=
+5V
±
5%, using external reference, CONTC = 0V, unless otherwise specified.
ADS7825P, U
ADS7825PB, UB
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
The information provided herein is believed to be reliable; however, BURR-BROWN assumes no responsibility for inaccuracies or omissions. BURR-BROWN
assumes no responsibility for the use of this information, and all use of such information shall be entirely at the user’s own risk. Prices and specifications are subject
to change without notice. No patent rights or licenses to any of the circuits described herein are implied or granted to any third party. BURR-BROWN does not
authorize or warrant any BURR-BROWN product for use in life support devices and/or systems.
RESOLUTION
16
6
(1)
Bits
ANALOG INPUT
Voltage Range
Impedance
Capacitance
±
10V
45.7
35
6
6
6
V
k
pF
Channel On or Off
THROUGHPUT SPEED
Conversion Time
Acquisition Time
Multiplexer Settling Time
Complete Cycle (Acquire and Convert)
Complete Cycle (Acquire and Convert)
Throughput Rate
20
5
5
6
6
6
μ
s
μ
s
μ
s
μ
s
μ
s
kHz
Includes Acquisition
25
40
6
6
CONTC = +5V
40
6
DC ACCURACY
Integral Linearity Error
No Missing Codes
Transition Noise
(3)
Full Scale Error
(4)
Full Scale Error Drift
Full Scale Error
(4)
Full Scale Error Drift
Bipolar Zero Error
Bipolar Zero Error Drift
Channel-to-Channel Mismatch
Power Supply Sensitivity
±
3
±
2
LSB
(2)
15
16
0.8
6
LSB
%
ppm/
°
C
%
ppm/
°
C
mV
ppm/
°
C
%
LSB
Internal Reference
Internal Reference
±
0.5
±
0.25
±
7
±
5
±
0.5
±
0.25
±
2
6
±
10
6
±
2
6
±
0.1
±
8
±
0.1
6
+4.75 < V
S
< +5.25
AC ACCURACY
Spurious-Free Dynamic Range
(5)
Total Harmonic Distortion
Signal-to-(Noise+Distortion)
Signal-to-Noise
Channel Separation
(6)
–3dB Bandwidth
Useable Bandwidth
(7)
f
IN
= 1kHz
f
IN
= 1kHz
f
IN
= 1kHz
f
IN
= 1kHz
f
IN
= 1kHz
90
6
dB
dB
dB
dB
dB
MHz
kHz
–90
6
83
83
100
86
86
6
120
2
90
6
6
6
SAMPLING DYNAMICS
Aperture Delay
Transient Response
(8)
Overvoltage Recovery
(9)
40
5
1
6
6
6
ns
μ
s
μ
s
FS Step
REFERENCE
Internal Reference Voltage
Internal Reference Source Current
(Must use external buffer)
External Reference Voltage Range
for Specified Linearity
External Reference Current Drain
2.48
2.5
1
2.52
6
6
6
6
V
μ
A
2.3
2.5
2.7
6
6
6
V
V
REF
= +2.5V
100
6
μ
A
DIGITAL INPUTS
Logic Levels
V
IL
V
IH
I
IL
I
IH
–0.3
+2.4
+0.8
6
6
6
6
6
6
V
V
μ
A
μ
A
V
S
+0.3V
±
10
±
10
DIGITAL OUTPUTS
Data Format
Data Coding
V
OL
V
Leakage Current
Output Capacitance
Parallel in two bytes; Serial
Binary Two's Complement
6
6
I
SINK
= 1.6mA
I
= 500
μ
A
High-Z State, V
= 0V to V
S
High-Z State
+0.4
6
V
V
μ
A
pF
+4
6
±
5
15
6
6
相關(guān)PDF資料
PDF描述
ADS7825P 4 Channel, 16-Bit Sampling CMOS A/D Converter
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ADS7830 8-Bit, 8-Channel Sampling ANALOG-TO-DIGITAL CONVERTER with I2C⑩ Interface
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相關(guān)代理商/技術(shù)參數(shù)
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ADS7825UB/1KE4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 4 Channel 16-Bit Sampling CMOS 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
ADS7825UBE4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 4 Channel 16-Bit Sampling CMOS 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
ADS7825UBG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 4 Channel 16-Bit Sampling CMOS 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
ADS7825UE4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 4 Channel 16-Bit Sampling CMOS 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
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