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參數資料
| 型號： | AD9870EB |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | IF Digitizing Subsystem |
| 中文描述： | 中頻數字化子系統 |
| 文件頁數： | 4/20頁 |
| 文件大小： | 233K |
| 代理商： | AD9870EB |
REV. 0
AD9870
–4–
PIN FUNCTION DESCRIPTIONS
Pin
Mnemonic Description
Pin
Mnemonic
Description
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
MXOP
MXON
GNDF
IF2N
IF2P
VDDF
GCP
GCN
VDDA
GNDA
VREFP
VREFN
VCM
VDDQ
IOUTC
GNDQ
VDDC
GNDC
CLKP
CLKN
GNDS
GNDD
PC
PD
Mixer Output, Positive
Mixer Output, Negative
Ground for VGA
Second IF Input (to VGA), Negative
Second IF Input (to VGA), Positive
Positive Power Supply for Antialias Filter/VGA
Filter Capacitor for VGA Gain Control, Positive
Filter Capacitor for VGA Gain Control, Negative
Positive Power Supply for ADC
Ground for ADC
Voltage Reference, Positive
Voltage Reference, Negative
Common-Mode Voltage (Requires 20 k
to GNDA)
Pos. Power Supply for Clock Synth. Charge Pump
Clock Synthesizer Charge Pump Output Current
Ground for Clock Synthesizer Charge Pump
Positive Power Supply for Clock Synthesizer
Ground for Clock Synthesizer
Sampling Clock Input/Clock VCO Tank, Positive
Sampling Clock Input/Clock VCO Tank, Negative
Substrate Ground
Ground for Digital Functions
Clock Input for SPI Port
Data I/O for SPI Port
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
PE
VDDD
VDDH
CLKOUT
DOUTA
DOUTB
FS
GNDH
SYNCB
GNDS
FREF
GNDL
GNDP
IOUTL
VDDP
VDDL
CXVM
LON
LOP
CXVL
GNDI
CXIF
IFIN
VDDI
Enable Input for SPI Port
Positive Power Supply for Internal Digital Functions
Positive Power Supply for Digital Interface
Clock Output for SSI Port
Data Output for SSI Port
Data Output for SSI Port, Unused
Frame Sync for SSI Port
Ground for Digital Interface
Resets the SSI and Decimator Counters
Substrate Ground
Reference Frequency Input for Both Synthesizers
Ground for LO Synthesizer
Ground for LO Synthesizer Charge Pump
LO Synthesizer Charge Pump Output Current
Positive Power Supply for LO Synth. Charge Pump
Positive Power Supply for LO Synthesizer
External Capacitor for Mixer Bias
LO Input to Mixer and LO Synthesizer, Negative
LO Input to Mixer and LO Synthesizer, Positive
External Capacitor for Preamp Power Supply
Ground for Mixer and Preamp
External Capacitor for Preamp Bias
First IF Input (to Preamp)
Positive Power Supply for Mixer and Preamp
PIN CONFIGURATION
36
35
34
33
32
31
30
29
28
27
26
25
13 14 15 16 17 18 19 20 21 22 23 24
1
2
3
4
5
6
7
8
9
10
11
12
48 47 46 45 44
39 38 37
43 42 41 40
PIN 1
TOP VIEW
(Not to Scale)
GNDL
FREF
GNDS
SYNCB
GNDH
FS
DOUTB
DOUTA
CLKOUT
VDDH
VDDD
PE
MXOP
MXON
GNDF
IF2N
IF2P
VDDF
GCP
GCN
VDDA
GNDA
VREFP
VREFN
AD9870
V
I
C
G
C
L
L
C
V
V
I
G
V
V
I
G
V
G
C
C
G
G
P
P
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| AD9873 | Analog Front End Converter for Set-Top Box, Cable Modem |
| AD9873-EB | Analog Front End Converter for Set-Top Box, Cable Modem |
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| AD9874BST | IF Digitizing Subsystem |
相關代理商/技術參數 |
參數描述 |
|---|---|
| AD9873 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Analog Front End Converter for Set-Top Box, Cable Modem |
| AD9873-EB | 制造商:Analog Devices 功能描述: |
| AD9873JS | 制造商:Analog Devices 功能描述: |
| AD9874 | 制造商:AD 制造商全稱:Analog Devices 功能描述:IF Digitizing Subsystem |
| AD9874ABST | 功能描述:IC IF DIGIT SUBSYSTEM 48-LQFP RoHS:否 類別:RF/IF 和 RFID >> RF 其它 IC 和模塊 系列:- 標準包裝:100 系列:* |
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