參數(shù)資料
型號： ADS7808PB
英文描述： 12-Bit 10ms Serial CMOS Sampling ANALOG-to-DIGITAL CONVERTER
中文描述： 12位10ms的串行CMOS采樣模擬數(shù)字轉(zhuǎn)換器
文件頁數(shù)： 2/10頁
文件大小： 251K
代理商： ADS7808PB
ADS7808
2
SPECIFICATIONS
ELECTRICAL
At T
A
= –40
°
C to +85
°
C, f
S
= 100kHz, V
DIG
= V
ANA
= +5V, using internal reference and fixed resistors as shown in Figure 4, unless otherwise specified.
ADS7808P, U
ADS7808PB, 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
12
6
Bits
ANALOG INPUT
Voltage Ranges
Impedance
Capacitance
±
10V, 0V to 5V, etc. (See Table I)
See Table I
35
6
pF
THROUGHPUT SPEED
Conversion Time
Complete Cycle
Throughput Rate
5.7
8
6
6
6
μ
s
μ
s
kHz
Acquire and Convert
10
100
6
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
Unipolar Zero Error
(3)
±
0.9
±
0.9
±
0.45
±
0.45
LSB
(1)
LSB
Guaranteed
0.1
6
6
LSB
%
ppm/
°
C
%
ppm/
°
C
mV
ppm/
°
C
mV
mV
mV
ppm/
°
C
ms
±
0.5
±
0.25
±
7
±
5
Ext. 2.5000V Ref
Ext. 2.5000V Ref
Bipolar Ranges
Bipolar Ranges
0V to 10V Range
0V to 4V Range
0V to 5V Range
Unipolar Ranges
1
μ
F Capacitor to CAP
±
0.5
±
0.25
±
2
6
±
10
6
±
2
±
2
±
5
±
3
±
3
6
6
6
Unipolar Zero Error Drift
Recovery to Rated Accuracy
after Power Down
Power Supply Sensitivity
(V
DIG
= V
ANA
= V
D
)
±
2
1
6
6
+4.75V < V
D
< +5.25V
±
0.5
6
LSB
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
90
–90
73
73
250
6
6
6
6
6
6
dB
(5)
dB
dB
dB
kHz
–80
6
70
70
72
72
SAMPLING DYNAMICS
Aperture Delay
Aperture Jitter
Transient Response
Overvoltage Recovery
(7)
40
6
6
ns
ns
μ
s
ns
Sufficient to meet AC specs
FS Step
2
6
150
6
REFERENCE
Internal Reference Voltage
Internal Reference Source Current
(Must use external buffer)
External Reference Voltage Range
for Specified Linearity
External Reference Current Drain
No Load
2.48
2.5
1
2.52
6
6
6
6
V
μ
A
2.3
2.5
2.7
6
6
6
V
Ext. 2.5000V Ref
100
6
μ
A
DIGITAL INPUTS
Logic Levels
V
IL
V
IH
I
IL
I
IH
–0.3
+2.0
+0.8
6
6
6
6
6
6
V
V
μ
A
μ
A
V
D
+0.3V
±
10
±
10
V
IL
= 0V
V
IH
= 5V
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADS7808U 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 10us Serial CMOS Sampling 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
ADS7808U 制造商:Texas Instruments 功能描述:IC 12BIT ADC 100KHZ SOIC20 制造商:Texas Instruments 功能描述:IC, 12BIT ADC, 100KHZ, SOIC20 制造商:Texas Instruments 功能描述:IC, 12BIT ADC, 100KHZ, SOIC20; Resolution (Bits):12bit; Sampling Rate:100kSPS; Supply Voltage Type:Single; Supply Voltage Min:4.75V; Supply Voltage Max:5.25V; Supply Current:16mA; Digital IC Case Style:SOIC; No. of Pins:20; Input ;RoHS Compliant: Yes
ADS7808U/1K 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 10us Serial CMOS Sampling 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
ADS7808U/1KE4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 10us Serial CMOS Sampling 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
ADS7808U/1KG4 制造商:Texas Instruments 功能描述:
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