參數(shù)資料
型號: AD9251BCPZ-20
廠商: Analog Devices Inc
文件頁數(shù): 3/36頁
文件大?。?/td> 0K
描述: IC ADC 14BIT 20MSPS 64LFCSP
標準包裝: 1
位數(shù): 14
采樣率(每秒): 20M
數(shù)據(jù)接口: 串行,SPI?
轉(zhuǎn)換器數(shù)目: 2
功率耗散(最大): 77mW
電壓電源: 模擬和數(shù)字
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 64-VFQFN 裸露焊盤,CSP
供應(yīng)商設(shè)備封裝: 64-LFCSP-VQ(9x9)
包裝: 托盤
輸入數(shù)目和類型: 4 個單端,單極;2 個差分,單極
AD9251
Rev. A | Page 11 of 36
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
PIN 1
INDICATOR
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
D10
B
D1
1
B
DR
VD
D
D12
B
(M
SB
)D
1
3
B
OR
B
DC
O
B
DCO
A
NC
(LSB
)D
0
A
DR
VD
D
D1
A
D2
A
D3
A
D4
A
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
AV
D
AV
D
VI
N
+
B
VI
N
B
AV
D
AV
D
RBI
AS
VC
M
SE
N
SE
VR
E
F
AV
D
AV
D
VI
N
A
VI
N
+
A
AV
D
AV
D
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
CLK+
CLK–
SYNC
NC
(LSB) D0B
D1B
D2B
D3B
DRVDD
D4B
D5B
D6B
D7B
D8B
D9B
PDWN
OEB
CSB
SCLK/DFS
SDIO/DCS
ORA
D13A (MSB)
D12A
D11A
D10A
D9A
DRVDD
D8A
D7A
D6A
D5A
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
AD9251
TOP VIEW
(Not to Scale)
07
93
8-
0
05
NOTES
1. NC = NO CONNECT
2. THE EXPOSED PADDLE MUST BE SOLDERED TO THE PCB GROUND
TO ENSURE PROPER HEAT DISSIPATION, NOISE, AND MECHANICAL
STRENGTH BENEFITS.
Figure 5. Pin Configuration
Table 8. Pin Function Description
Pin No.
Mnemonic
Description
0
GND
Exposed paddle is the only ground connection for the chip. Must be connected to PCB AGND.
1, 2
CLK+, CLK
Differential Encode Clock. PECL, LVDS, or 1.8 V CMOS inputs.
3
SYNC
Digital Input. SYNC input to clock divider. 30 kΩ internal pull-down.
4, 5, 25, 26
NC
Do Not Connect.
6 to 9, 11 to 18, 20, 21
D0B to D13B
Channel B Digital Outputs. D13B = MSB.
10, 19, 28, 37
DRVDD
Digital Output Driver Supply (1.8 V to 3.3 V).
22
ORB
Channel B Out-of-Range Digital Output.
23
DCOB
Channel B Data Clock Digital Output.
24
DCOA
Channel A Data Clock Digital Output.
27, 29 to 36, 38 to 42
D0A to D13A
Channel A Digital Outputs. D13A = MSB.
43
ORA
Channel A Out-of-Range Digital Output.
44
SDIO/DCS
SPI Data Input/Output (SDIO). Bidirectional SPI Data I/O in SPI mode. 30 kΩ internal pull-
down in SPI mode.
Duty Cycle Stabilizer (DCS). Static enable input for duty cycle stabilizer in non-SPI mode.
30 kΩ internal pull-up in non-SPI (DCS) mode.
45
SCLK/DFS
SPI Clock (SCLK) Input in SPI mode. 30 kΩ internal pull-down.
Data Format Select (DFS). Static control of data output format in non-SPI mode. 30 kΩ internal
pull-down.
DFS high = twos complement output.
DFS low = offset binary output.
46
CSB
SPI Chip Select. Active low enable; 30 kΩ internal pull-up.
47
OEB
Digital Input. Enable Channel A and Channel B digital outputs if low, tristate outputs if high.
30 kΩ internal pull-down.
48
PDWN
Digital Input. 30 kΩ internal pull-down.
PDWN high = power-down device.
PDWN low = run device, normal operation.
49, 50, 53, 54, 59, 60, 63, 64
AVDD
1.8 V Analog Supply Pins.
51, 52
VIN+A, VINA
Channel A Analog Inputs.
相關(guān)PDF資料
PDF描述
MS27656E11F13S CONN RCPT 13POS WALL MNT W/SCKT
MS3106A22-9S CONN PLUG 3POS STRAIGHT W/SCKT
ADM3075EWYRZ IC TXRX RS485/422 3.3V HD 8SOIC
MS27467T21B41PC CONN PLUG 41POS STRAIGHT W/PINS
MS3101A22-23P CONN RCPT 8POS FREE HNG W/PINS
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AD9251BCPZ-40 功能描述:IC ADC 14BIT 40MSPS 64LFCSP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標準包裝:1 系列:- 位數(shù):14 采樣率(每秒):83k 數(shù)據(jù)接口:串行,并聯(lián) 轉(zhuǎn)換器數(shù)目:1 功率耗散(最大):95mW 電壓電源:雙 ± 工作溫度:0°C ~ 70°C 安裝類型:通孔 封裝/外殼:28-DIP(0.600",15.24mm) 供應(yīng)商設(shè)備封裝:28-PDIP 包裝:管件 輸入數(shù)目和類型:1 個單端,雙極
AD9251BCPZ-65 功能描述:IC ADC 14BIT 65MSPS 64LFCSP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標準包裝:1 系列:- 位數(shù):14 采樣率(每秒):83k 數(shù)據(jù)接口:串行,并聯(lián) 轉(zhuǎn)換器數(shù)目:1 功率耗散(最大):95mW 電壓電源:雙 ± 工作溫度:0°C ~ 70°C 安裝類型:通孔 封裝/外殼:28-DIP(0.600",15.24mm) 供應(yīng)商設(shè)備封裝:28-PDIP 包裝:管件 輸入數(shù)目和類型:1 個單端,雙極
AD9251BCPZ-80 功能描述:IC ADC 14BIT 80MSPS 64LFCSP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 其它有關(guān)文件:TSA1204 View All Specifications 標準包裝:1 系列:- 位數(shù):12 采樣率(每秒):20M 數(shù)據(jù)接口:并聯(lián) 轉(zhuǎn)換器數(shù)目:2 功率耗散(最大):155mW 電壓電源:模擬和數(shù)字 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:48-TQFP 供應(yīng)商設(shè)備封裝:48-TQFP(7x7) 包裝:Digi-Reel® 輸入數(shù)目和類型:4 個單端,單極;2 個差分,單極 產(chǎn)品目錄頁面:1156 (CN2011-ZH PDF) 其它名稱:497-5435-6
AD9251BCPZ-80 制造商:Analog Devices 功能描述:IC ADC 14BIT 80MSPS LFCSP-64 制造商:Analog Devices 功能描述:IC, ADC, 14BIT, 80MSPS, LFCSP-64
AD9251BCPZRL7-20 功能描述:IC ADC 14BIT 20MSPS 64LFCSP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標準包裝:1 系列:- 位數(shù):14 采樣率(每秒):83k 數(shù)據(jù)接口:串行,并聯(lián) 轉(zhuǎn)換器數(shù)目:1 功率耗散(最大):95mW 電壓電源:雙 ± 工作溫度:0°C ~ 70°C 安裝類型:通孔 封裝/外殼:28-DIP(0.600",15.24mm) 供應(yīng)商設(shè)備封裝:28-PDIP 包裝:管件 輸入數(shù)目和類型:1 個單端,雙極