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參數(shù)資料
| 型號： | ADS7806UB |
| 英文描述： | Low-Power 12-Bit Sampling CMOS ANALOG-to-DIGITAL CONVERTER |
| 中文描述： | 低功耗12位采樣CMOS模擬數(shù)字轉換器 |
| 文件頁數(shù)： | 2/18頁 |
| 文件大?。?/td> | 209K |
| 代理商： | ADS7806UB |
2
ADS7806
SPECIFICATIONS
ELECTRICAL
At T
A
= –40
°
C to +85
°
C, f
S
= 40kHz, V
DIG
= V
ANA
= +5V, using internal reference and fixed resistors shown in Figure 7b, unless otherwise specified.
ADS7806P, U
ADS7806PB, UB
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
Parallel 12-bits in 2-bytes; Serial
Binary Two’s Complement or Straight Binary
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
12
*
Bits
ANALOG INPUT
Voltage Ranges
Impedance
Capacitance
±
10, 0 to +5, 0 to +4
(See Table II)
V
35
*
pF
THROUGHPUT SPEED
Conversion Time
Complete Cycle
Throughput Rate
20
25
*
*
μ
s
μ
s
kHz
Acquire and Convert
40
*
DC ACCURACY
Integral Linearity Error
Differential Linearity Error
No Missing Codes
Transition Noise
(2)
Gain Error
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
Unipolar Zero Error
(3)
Unipolar Zero Error Drift
Recovery Time to Rated Accuracy
from Power Down
(5)
Power Supply Sensitivity
(V
DIG
= V
ANA
= V
S
)
±
0.15
±
0.15
±
0.9
±
0.9
*
*
*
*
±
0.45
±
0.45
LSB
(1)
LSB
Bits
LSB
%
%
ppm/
°
C
%
ppm/
°
C
mV
ppm/
°
C
mV
ppm/
°
C
ms
Guaranteed
0.1
±
0.2
±
0.1
±
0.5
±
0.25
±
7
±
5
Ext. 2.5000V Ref
Ext. 2.5000V Ref
±
10V Range
±
10V Range
0V to 5V, 0V to 4V Ranges
0V to 5V, 0V to 4V Ranges
2.2
μ
F Capacitor to CAP
±
0.5
±
0.25
±
0.5
*
±
10
*
±
0.5
*
±
3
*
±
0.5
1
*
*
+4.75V < V
S
< +5.25V
±
0.5
*
LSB
AC ACCURACY
Spurious-Free Dynamic Range
Total Harmonic Distortion
Signal-to-(Noise+Distortion)
Signal-to-Noise
Usable Bandwidth
(7)
Full Power Bandwidth (-3dB)
f
IN
= 1kHz,
±
10V
f
IN
= 1kHz,
±
10V
f
IN
= 1kHz,
±
10V
f
IN
= 1kHz,
±
10V
80
90
–90
73
73
130
600
*
*
*
*
*
*
*
dB
(6)
dB
dB
dB
kHz
kHz
–80
*
70
70
72
72
SAMPLING DYNAMICS
Aperture Delay
Aperture Jitter
Transient Response
Overvoltage Recovery
(8)
40
20
*
*
ns
ps
μ
s
ns
FS Step
5
*
750
*
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
No Load
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
V
IL
= 0V
V
IH
= 5V
DIGITAL OUTPUTS
Data Format
Data Coding
V
OL
V
OH
Leakage Current
I
SINK
= 1.6mA
I
SOURCE
= 500
μ
A
High-Z State,
V
OUT
= 0V to V
DIG
+0.4
*
V
V
μ
A
+4
*
±
5
*
Output Capacitance
15
*
pF
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| ADS7806UB/1K | 功能描述:模數(shù)轉換器 - ADC Low-Power 12-Bit Sampling CMOS RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率: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 |
| ADS7806UB/1KE4 | 功能描述:模數(shù)轉換器 - ADC Low-Power 12-Bit Sampling CMOS RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率: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 |
| ADS7806UBE4 | 功能描述:模數(shù)轉換器 - ADC Low-Power 12-Bit Sampling CMOS RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率: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 |
| ADS7806UBG4 | 功能描述:模數(shù)轉換器 - ADC Low-Power 12-Bit Sampling CMOS RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率: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 |
| ADS7806UE4 | 功能描述:模數(shù)轉換器 - ADC Low-Power 12-Bit Sampling CMOS RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率: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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