參數(shù)資料
型號(hào)： ADS820U
英文描述： 10-Bit, 20MHz Sampling ANALOG-TO-DIGITAL CONVERTER
中文描述： 10位，20MHz的采樣模擬數(shù)字轉(zhuǎn)換器
文件頁(yè)數(shù)： 4/14頁(yè)
文件大?。?/td> 295K
代理商： ADS820U
4
ADS820
PIN
DESIGNATOR
DESCRIPTION
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
GND
B1
B2
B3
B4
B5
B6
B7
B8
B9
B10
DNC
DNC
GND
+V
S
CLK
+V
S
OE
Ground
Bit 1, Most Significant Bit
Bit 2
Bit 3
Bit 4
Bit 5
Bit 6
Bit 7
Bit 8
Bit 9
Bit 10, Least Significant Bit
Do not connect.
Do not connect.
Ground
+5V Power Supply
Convert Clock Input, 50% Duty Cycle
+5V Power Supply
HI: High Impedance State. LO or Floating: Nor-
mal Operation. Internal pull-down resistor.
Most Significant Bit Inversion, HI: MSB inverted
for complementary output. LO or Floating: Straight
output. Internal pull-down resistor.
+5V Power Supply
Bottom Reference Bypass. For external bypass-
ing of internal +1.25V reference.
Common-Mode Voltage. It is derived by (REFT +
REFB)/2.
Top Reference Bypass. For external bypassing
of internal +3.25V reference.
+5V Power Supply
Ground
Input
Complementary Input
Ground
19
MSBI
20
21
+V
S
REFB
22
CM
23
REFT
24
25
26
27
28
+V
S
GND
IN
IN
GND
PIN DESCRIPTIONS
PIN CONFIGURATION
TOP VIEW
SOIC/SSOP
GND
Bit 1(MSB)
Bit 2
Bit 3
Bit 4
Bit 5
Bit 6
Bit 7
Bit 8
Bit 9
Bit 10 (LSB)
DNC
DNC
GND
GND
IN
IN
GND
+V
S
REFT
CM
REFB
+V
S
MSBI
OE
+V
S
CLK
+V
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
ADS820
DNC: Do Not Connect
TIMING DIAGRAM
SYMBOL
DESCRIPTION
MIN
TYP
MAX
UNITS
t
CONV
t
L
t
H
t
D
t
1
t
2
Convert Clock Period
Clock Pulse Low
Clock Pulse High
Aperture Delay
Data Hold Time, C
L
= 0pF
New Data Delay Time, C
L
= 15pF max
50
24
24
100
μ
s
ns
ns
ns
ns
ns
ns
25
25
2
3.9
12.5
Track
Hold
"N"
Hold
"N + 1"
Hold
"N + 2"
Hold
"N + 3"
Hold
"N + 4"
Hold
"N + 5
"
Hold
"N + 6"
Track
Data Valid
N-7
Data Valid
N-6
INTERNAL
TRACK/HOLD
CONVERT
CLOCK
OUTPUT
DATA
t
D
t
2
t
1
DATA LATENCY
(6.5 Clock Cycles)
t
CONV
t
L
t
H
Track
Track
Track
Track
N-3
N-5
N-4
N-2
N-1
N
Track
Track
Data Valid
N-8
(1)
Data Invalid
NOTE: (1) “ ” indicates the portion of the waveform that will stretch out at slower sample rates.
相關(guān)PDF資料
PDF描述
ADS821E 10-Bit, 40MHz Sampling ANALOG-TO-DIGITAL CONVERTER
ADS821U 10-Bit, 40MHz Sampling ANALOG-TO-DIGITAL CONVERTER
ADS821 10-Bit, 40MHz Sampling ANALOG-TO-DIGITAL CONVERTER
ADS822 10-Bit, 40MHz Sampling ANALOG-TO-DIGITAL CONVERTERS
ADS822E 10-Bit, 40MHz Sampling ANALOG-TO-DIGITAL CONVERTERS
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADS820U/1K 功能描述:視頻模擬/數(shù)字化轉(zhuǎn)換器集成電路 10-Bit 20 MSPS SE/ Diff Input RoHS:否 制造商:Texas Instruments 輸入信號(hào)類型:Differential 轉(zhuǎn)換器數(shù)量:1 ADC 輸入端數(shù)量:4 轉(zhuǎn)換速率:3 Gbps 分辨率:8 bit 結(jié)構(gòu): 輸入電壓:3.3 V 接口類型:SPI 信噪比: 電壓參考: 電源電壓-最大:3.45 V 電源電壓-最小:3.15 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:TCSP-48 封裝:Reel
ADS820U/1KG4 功能描述:視頻模擬/數(shù)字化轉(zhuǎn)換器集成電路 10-Bit 20 MSPS SE/ Diff Input RoHS:否 制造商:Texas Instruments 輸入信號(hào)類型:Differential 轉(zhuǎn)換器數(shù)量:1 ADC 輸入端數(shù)量:4 轉(zhuǎn)換速率:3 Gbps 分辨率:8 bit 結(jié)構(gòu): 輸入電壓:3.3 V 接口類型:SPI 信噪比: 電壓參考: 電源電壓-最大:3.45 V 電源電壓-最小:3.15 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:TCSP-48 封裝:Reel
ADS820UG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10-Bit 20 MSPS SE/ Diff Input 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
ADS821 制造商:BB 制造商全稱:BB 功能描述:10-Bit, 40MHz Sampling ANALOG-TO-DIGITAL CONVERTER
ADS821E 制造商:Rochester Electronics LLC 功能描述:- Bulk
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