參數(shù)資料
型號： ADS7803
英文描述： ECONOLINE: REC3-S_DRW(Z)/H4,H6 - Safety standards and approval: EN 60950 certified, rated for 250VAV (LVD test report)- Applied for Ul 1950 Component Recognised Certification- 3W DIP Package- 4kVDC & 6kVDC Isolation- Regulated Output- Continuous Short Circiut Protection Auto-Restarting
中文描述： Autocalibrating，4通道，12位模擬數(shù)字轉(zhuǎn)換器
文件頁數(shù)： 2/13頁
文件大小： 99K
代理商： ADS7803
ADS7803
2
SPECIFICATIONS
ELECTRICAL
V
A
= V
D
= V
REF
+ = 5V
±
5%; V
REF
– = AGND = DGND = 0V; CLK = 2MHz external, T
A
= –40
°
C to +85
°
C, after calibration at any temperature, unless otherwise specified.
NOTES: (1) For (V
+) – (V
–) as low as 4.5V, the total error will typically not exceed
±
1LSB. (2) After calibration cycle, without external adjustment. Includes gain
(full scale) error, offset error, integral nonlinearity, differential nonlinearity, and drift.
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.
ADS7803BP/ADS7803BN
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
RESOLUTION
12
Bits
ANALOG INPUT
Voltage Input Range
Input Capacitance
On State Bias Current
Off State Bias Current
V
REF
+ = 5V, V
REF
– = 0V
0
5
V
pF
nA
nA
nA
k
M
dB
50
100
T
A
= +25
°
C
T
A
= –40
°
C to +85
°
C
10
100
On Resistance Multiplexer
Off Resistance Multiplexer
Channel Separation
2
10
92
500Hz
REFERENCE INPUT
For Specified Performance: V
REF
+
V
REF
+
≤
V
A
5
0
V
V
V
V
μ
A
V
REF
–
For Derated Performance
(1)
: V
REF
+
4.5
0
V
A
1
100
V
REF
–
Input Reference Current
V
REF
+ = 5V, V
REF
– = 0V
10
THROUGHPUT TIMING
Conversion Time With External Clock (Including
Multiplexer Settling Time and Acquisition Time)
CLK = 2MHz
CLK = 1MHz
CLK = 500kHz
T
= +25
°
C
T
A
= –40
°
C to +85
°
C
8.5
17
34
10
μ
s
μ
s
μ
s
μ
s
μ
s
ns
ns
With Internal Clock Using Recommended
Clock Components
Multiplexer Settling Time to 0.01%
Multiplexer Access Time
10
460
20
DC ACCURACY
Total Error, All Channels
(2)
Differential Nonlinearity
No Missing Codes
Gain Error
Gain Error Drift
Offset Error
Offset Error Drift
Channel-to-Channel Mismatch
Power Supply Sensitivity
±
1/2
±
1/4
±
3/4
±
1/2
LSB
LSB
Guaranteed
±
1/8
±
0.2
±
1/8
±
0.2
All Channels
±
1/4
LSB
ppm/
°
C
LSB
ppm/
°
C
LSB
LSB
Between Calibration Cycles
All Channels
Between Calibration Cycles
±
1/4
±
1/4
V
A
= V
D
= 4.75V to 5.25V
±
1/8
AC ACCURACY
Signal-to-(Noise + Distortion) Ratio
f
IN
= 1kHz
f
IN
= 50kHz
f
IN
= 50kHz
f
IN
= 50kHz
f
IN
= 1kHz
f
IN
= 50kHz
69
66
71
69
–75
70
90
82
dB
dB
dB
dB
dB
dB
Total Harmonic Distortion
Signal-to-Noise Ratio
Spurious Free Dynamic Range
SAMPLING DYNAMICS
Full Power Bandwidth
Aperture Delay
Offset Error
–3dB
4
MHz
ns
ns
LSB
LSB
SFR D2 LOW
SRF D2 HIGH
SFR D2 LOW
2500
5
±
1/8
±
1/2
±
1/4
±
1
SFR D2 HIGH, Internal Clock or
Sampling Command Synchronous
to External Clock
SFR D2 HIGH, Sampling Command
Asynchronous to External Clock
±
4
LSB
DIGITAL INPUTS
All Pins Other Than CLK: V
IL
0.8
V
V
μ
A
μ
A
V
V
μ
A
mA
nA
V
IH
2.4
Input Current
T
= +25
°
C, V
IN
= 0 to V
T
A
= –40
°
C to +85
°
C, V
IN
= 0 to V
D
1
10
0.8
CLK Input: V
IL
V
IH
I
IL
I
IH
I
IH
3.5
10
1.5
100
Power Down Mode (D3 in SFR HIGH)
相關(guān)PDF資料
PDF描述
ADS7803BN Autocalibrating, 4-Channel, 12-Bit ANALOG-TO-DIGITAL CONVERTER
ADS7803BP Autocalibrating, 4-Channel, 12-Bit ANALOG-TO-DIGITAL CONVERTER
ADS7807UBE4 Low-Power, 16-Bit, Sampling CMOS ANALOG-to-DIGITAL CONVERTER
ADS7807UBG4 Low-Power, 16-Bit, Sampling CMOS ANALOG-to-DIGITAL CONVERTER
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADS7803BN 制造商:BB 制造商全稱:BB 功能描述:Autocalibrating, 4-Channel, 12-Bit ANALOG-TO-DIGITAL CONVERTER
ADS7803BP 制造商:BB 制造商全稱:BB 功能描述:Autocalibrating, 4-Channel, 12-Bit ANALOG-TO-DIGITAL CONVERTER
ADS7804 制造商:BB 制造商全稱:BB 功能描述:12-Bit 10ms Sampling CMOS ANALOG-to-DIGITAL CONVERTER
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
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