參數(shù)資料
型號： ADS805
英文描述： 12-Bit, 20MHz Sampling ANALOG-TO-DIGITAL CONVERTER
中文描述： 12位，20MHz的采樣模擬數(shù)字轉(zhuǎn)換器
文件頁數(shù)： 2/12頁
文件大?。?/td> 260K
代理商： ADS805
2
ADS805
SPECIFICATIONS
At T
A
= full specified temperature range, V
S
= +5V, specified input range = 1.5V to 3.5V, single-ended input and sampling rate = 20MHz, unless otherwise specified.
ADS805U
ADS805E
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
RESOLUTION
12 Bits Guaranteed
6
(1)
Bits
SPECIFIED TEMPERATURE RANGE
–40 to +85
–40 to +85
°
C
CONVERSION CHARACTERISTICS
Sample Rate
Data Latency
10k
20M
6
6
Samples/s
Clk Cycles
6
6
ANALOG INPUT
Standard Single-Ended Input Range
Optional Single-Ended Input Range
Standard Common-Mode Voltage
Standard Optional Common-Mode Voltage
Input Capacitance
Track-Mode Input Bandwidth
1.5
0
3.5
5
6
6
6
6
V
V
V
V
pF
MHz
2.5
1
20
270
6
6
6
6
–3dBFS Input
DYNAMIC CHARACTERISTICS
Differential Linearity Error (Largest Code Error)
f = 500kHz
No Missing Codes
Spurious Free Dynamic Range
(2)
f = 9.8MHz
Two-Tone Intermodulation Distortion
(4)
f = 7.7MHz and 7.9MHz
(–7dB each tone)
Signal-to-Noise Ratio (SNR)
f = 9.8MHz
Signal-to-(Noise + Distortion) (SINAD)
f = 9.8MHz
Effective Number of Bits at 9.8MHz
(5)
Input Referred Noise
±
0.25
±
0.75
6
6
LSB
Guaranteed
Guaranteed
65
74
6
6
dBFS
–70
6
dBc
63
68
6
6
dBFS
62
66
10.7
0.09
0.23
6
6
6
6
6
dBFS
Bits
LSBs rms
LSBs rms
0V to 5V Input
1.5V to 3.5V Input
Integral Nonlinearity Error
f = 500kHz
Aperture Delay Time
Aperture Jitter
Overvoltage Recovery Time
Full-Scale Step Acquisition Time
±
1
3
4
2
20
±
2
6
6
6
6
20
6
LSB
ns
ps rms
ns
ns
1.5X FS Input
DIGITAL INPUTS
Logic Family
Convert Command
High Level Input Current (V
IN
= 5V)
(6)
Low Level Input Current (V
IN
= 0V)
High Level Input Voltage
Low Level Input Voltage
Input Capacitance
Start Conversion
±
100
10
6
6
μ
A
μ
A
V
V
pF
+3.5
6
+1.0
6
6
5
DIGITAL OUTPUTS
Logic Family
Logic Coding
Low Output Voltage
Low Output Voltage
High Output Voltage
High Output Voltage
3-State Enable Time
3-State Disable Time
Output Capacitance
(I
OL
= 50
μ
A)
(I
OL
= 1.6mA)
(I
OH
= 50
μ
A)
(I
OH
= 0.5mA)
OE = L
OE = H
0.1
0.4
6
6
V
V
V
V
ns
ns
pF
+4.5
+2.4
6
6
20
2
5
40
10
6
6
6
6
6
ACCURACY (5Vp-p Input Range)
Zero Error (Referred to –FS)
Zero Error Drift (Referred to –FS)
Gain Error
(7)
Gain Error Drift
(7)
Gain Error
(8)
Gain Error Drift
(8)
Power Supply Rejection of Gain
Reference Input Resistance
Internal Voltage Reference Tolerance (V
REF
= 2.5V)
Internal Voltage Reference Tolerance (V
REF
= 1.0V)
At 25
°
C
0.3
±
5
0.7
±
18
0.2
±
10
70
1.6
±
1.5
6
6
6
%FS
ppm/
°
C
%FS
ppm/
°
C
%FS
ppm/
°
C
dB
k
mV
mV
At 25
°
C
±
2.0
6
6
At 25
°
C
±
1.5
6
6
6
6
V
S
=
±
5%
60
6
At 25
°
C
At 25
°
C
±
35
±
14
6
6
CMOS/TTL Compatible
Straight Offset Binary
CMOS/TTL Compatible
Straight Offset Binary
CMOS Compatible
Rising Edge of Convert Clock
CMOS Compatible
Rising Edge of Convert Clock
相關(guān)PDF資料
PDF描述
ADS805E 12-Bit, 20MHz Sampling 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
ADS805E 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 20 MSPS Int/Ext Ref 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
ADS805E/1K 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 20 MSPS Int/Ext Ref 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
ADS805E/1KG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 20 MSPS Int/Ext Ref 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
ADS805EG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 20 MSPS Int/Ext Ref 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
ADS805U 制造商:Rochester Electronics LLC 功能描述:- Bulk
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