參數(shù)資料
型號(hào)： ADS7864YB
英文描述： 500kHz, 12-Bit, 6-Channel Simultaneous Sampling ANALOG-TO-DIGITAL CONVERTER
中文描述： 為500kHz，12位，6通道同步采樣模擬到數(shù)字轉(zhuǎn)換器
文件頁數(shù)： 2/16頁
文件大?。?/td> 183K
代理商： ADS7864YB
2
ADS7864
SPECIFICATIONS
All specifications T
MIN
to T
MAX
, +V
A
= +V
D
= +5V, V
REF
= internal +2.5V and f
CLK
= 8MHz, f
SAMPLE
= 500kHz, unless otherwise noted.
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.
ADS7864Y
ADS7864YB
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
RESOLUTION
12
6
Bits
ANALOG INPUT
Input Voltage Range-Bipolar
Absolute Input Range
V
CENTER
= +2.5V
+IN
–IN
–V
–0.3
–0.3
+V
+V
A
+ 0.3
+V
A
+ 0.3
6
6
V
V
V
pF
μ
A
Input Capacitance
Input Leakage Current
15
±
1
6
6
CLK = GND
SYSTEM PERFORMANCE
No Missing Codes
Integral Linearity
Integral Linearity Match
Differential Linearity
Bipolar Offset Error
Bipolar Offset Error Match
Positive Gain Error
Positive Gain Error Match
Negative Gain Error
Negative Gain Error Match
Common-Mode Rejection Ratio
12
6
Bits
LSB
LSB
LSB
LSB
LSB
±
0.75
0.5
±
0.6
±
0.75
±
2
±
0.5
6
±
0.4
±
0.5
±
1
–0.9
6
Referenced to REF
IN
±
4
3
±
3
6
±
0.5
6
±
0.5
6
Referenced to REF
IN
±
0.15
±
0.75
3
±
0.75
3
±
0.1
% of FSR
LSB
% of FSR
LSB
dB
dB
μ
Vrms
LSB
Referenced to REF
IN
±
0.15
±
0.1
At DC
84
80
120
0.3
6
6
6
6
V
IN
=
±
1.25Vp-p at 50kHz
Noise
Power Supply Rejection Ratio
2
6
SAMPLING DYNAMICS
Conversion Time per A/D
Acquisition Time
Throughput Rate
Aperture Delay
Aperture Delay Matching
Aperture Jitter
Small-Signal Bandwidth
1.75
0.25
6
6
μ
s
μ
s
kHz
ns
ps
ps
MHz
500
6
3.5
100
50
40
6
6
6
6
DYNAMIC CHARACTERISTICS
Total Harmonic Distortion
SINAD
Spurious Free Dynamic Range
Channel-to-Channel Isolation
V
IN
=
±
2.5Vp-p at 100kHz
V
IN
=
±
2.5Vp-p at 100kHz
V
IN
=
±
2.5Vp-p at 100kHz
V
IN
=
±
2.5Vp-p at 50kHz
–75
71
78
–76
6
6
6
6
dB
dB
dB
dB
VOLTAGE REFERENCE
Internal Reference Voltage
Internal Drift
Internal Noise
Internal Source Current
Internal Load Rejection
Internal PSRR
External Reference Voltage Range
Input Current
Input Capacitance
2.475
2.5
10
50
2
0.005
80
2.5
2.525
6
6
6
6
6
6
6
6
6
V
ppm/
°
C
μ
Vp-p
mA
mV/
μ
A
dB
V
μ
A
pF
1.2
2.6
100
6
6
6
5
6
DIGITAL INPUT/OUTPUT
Logic Family
Logic Levels: V
IH
CMOS
6
I
IH
= +5
μ
A
I
IL
= +5
μ
A
I
OH
= –500
μ
A
I
OL
= –500
μ
A
3.0
–0.3
3.5
+V
D
+ 0.3
0.8
6
6
6
6
6
V
V
V
V
V
IL
V
OH
V
OL
0.4
8
6
6
External Clock
Data Format
0.2
6
MHz
Binary Two’s Complement
6
POWER SUPPLY REQUIREMENTS
Power Supply Voltage, +V
A
, +V
D
Quiescent Current, +V
A
, +V
D
Power Dissipation
4.75
5
5.25
10
50
6
6
6
6
6
V
mA
mW
6
Specifications same as ADS7864Y.
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ADS7864YB/250G4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 500kHz 12-Bit 6-Ch Simltns Smplng 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
ADS7864YB/2K 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 500kHz 12-Bit 6-Ch Simltns Smplng 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
ADS7864YB/2KG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 500kHz 12-Bit 6-Ch Simltns Smplng 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
ADS7865 制造商:TI 制造商全稱:Texas Instruments 功能描述:Dual, 12-Bit, 3+3 or 2+2 Channel, Simultaneous Sampling Analog-to-Digital Converter
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