參數(shù)資料
型號： ADS7804
英文描述： 12-Bit 10ms Sampling CMOS ANALOG-to-DIGITAL CONVERTER
中文描述： 12位10ms的采樣CMOS模擬數(shù)字轉(zhuǎn)換器
文件頁數(shù)： 2/10頁
文件大?。?/td> 182K
代理商： ADS7804
2
ADS7804
RESOLUTION
12
*
Bits
ANALOG INPUT
Voltage Ranges
Impedance
Capacitance
±
10V
23
35
*
*
*
V
k
pF
THROUGHPUT SPEED
Conversion Time
Complete Cycle
Throughput Rate
5.7
8
10
*
*
*
μ
s
μ
s
kHz
Acquire and Convert
100
*
DC ACCURACY
Integral Linearity Error
Differential Linearity Error
No Missing Codes
Transition Noise
(2)
Full Scale Error
(3,4)
Full Scale Error Drift
Full Scale Error
(3,4)
Full Scale Error Drift
Bipolar Zero Error
(3)
Bipolar Zero Error Drift
Power Supply Sensitivity
(V
DIG
= V
ANA
= V
D
)
±
0.9
±
0.9
±
0.45
±
0.45
LSB
(1)
LSB
Bits
LSB
%
ppm/
°
C
%
ppm/
°
C
mV
ppm/
°
C
LSB
*
*
0.1
±
0.5
±
0.25
±
7
±
5
Ext. 2.5000V Ref
Ext. 2.5000V Ref
±
0.5
±
0.25
±
2
*
±
10
±
10
±
2
*
+4.75V < V
D
< +5.25V
±
0.5
*
AC ACCURACY
Spurious-Free Dynamic Range
Total Harmonic Distortion
Signal-to-(Noise+Distortion)
Signal-to-Noise
Full-Power Bandwidth
(6)
f
IN
= 45kHz
f
IN
= 45kHz
f
IN
= 45kHz
f
IN
= 45kHz
80
*
dB
(5)
dB
dB
dB
kHz
–80
*
70
70
72
72
250
*
SAMPLING DYNAMICS
Aperture Delay
Aperture Jitter
Transient Response
Overvoltage Recovery
(7)
40
*
*
ns
FS Step
2
*
μ
s
ns
150
*
REFERENCE
Internal Reference Voltage
Internal Reference Source Current
(Must use external buffer.)
Internal Reference Drift
External Reference Voltage Range
for Specified Linearity
External Reference Current Drain
2.48
2.5
1
2.52
*
*
*
*
V
μ
A
8
ppm/
°
C
V
2.3
2.5
2.7
*
*
*
Ext. 2.5000V Ref
100
*
μ
A
DIGITAL INPUTS
Logic Levels
V
IL
V
IH
I
IL
I
IH
–0.3
+2.0
+0.8
*
*
*
*
*
*
V
V
μ
A
μ
A
V
D
+0.3V
±
10
±
10
DIGITAL OUTPUTS
Data Format
Data Coding
V
OL
V
Leakage Current
I
SINK
= 1.6mA
I
SOURCE
= 500
μ
A
V
OUT
= 0V to V
DIG
+0.4
*
V
V
μ
A
+4
*
±
5
*
Output Capacitance
15
15
pF
DIGITAL TIMING
Bus Access Time
Bus Relinquish Time
83
83
*
*
ns
ns
SPECIFICATIONS
ELECTRICAL
At T
A
= –40
°
C to +85
°
C, f
S
= 100kHz, and V
DIG
= V
ANA
= +5V, using internal reference, unless otherwise specified.
ADS7804P, U
ADS7804PB, 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.
Guaranteed
Sufficient to meet AC specs
Parallel 12 bits
Binary Two’s Complement
相關(guān)PDF資料
PDF描述
ADS7804P 12-Bit 10ms Sampling CMOS ANALOG-to-DIGITAL CONVERTER
ADS7804PB 12-Bit 10ms Sampling CMOS ANALOG-to-DIGITAL CONVERTER
ADS7804UB 12-Bit 10ms Sampling CMOS ANALOG-to-DIGITAL CONVERTER
ADS7805 16-bit 10us sampling CMOS ANALOG-to-DIGITAL CONVERTER
ADS7805P 16-Bit 10ms Sampling CMOS ANALOG-to-DIGITAL CONVERTER
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADS7804P 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 10us 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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
ADS7804PB 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 10us 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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
ADS7804PBG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12B 10us Sampling CMOS 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
ADS7804PG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 10us 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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
ADS7804U 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 10us 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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
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