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參數資料
| 型號： | AD9874 |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 通信及網絡 |
| 英文描述： | IF Digitizing Subsystem |
| 中文描述： | SPECIALTY TELECOM CIRCUIT, PQFP48 |
| 封裝： | 1.40 MM HEIGHT, PLASTIC, TQFP-48 |
| 文件頁數： | 5/40頁 |
| 文件大小： | 744K |
| 代理商： | AD9874 |
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REV. 0
AD9874
–5–
PIN CONFIGURATION
36
35
34
33
32
31
30
29
28
27
26
25
1
2
3
4
5
6
7
8
9
10
11
12
48 47 46 45 44
39 38 37
43
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
AD9874
V
I
C
G
C
L
L
C
V
V
I
G
R
V
I
G
V
G
C
C
G
G
P
P
40
41
42
13
19
18
17
16
15
14
20 21 22 23 24
PIN FUNCTION DESCRIPTIONS
Pin
Mnemonic
Description
1
2
3
4
5
6
7
8
9
10
11
12
13
MXOP
MXON
GNDF
IF2N
IF2P
VDDF
GCP
GCN
VDDA
GNDA
VREFP
VREFN
RREF
Mixer Output, Positive
Mixer Output, Negative
Ground for Front End of ADC
Second IF Input (to ADC), Negative
Second IF Input (to ADC), Positive
Positive Power Supply for Front End of ADC
Filter Capacitor for ADC Full-Scale Control
Full-Scale Control Ground
Positive Power Supply for ADC Back End
Ground for ADC Back End
Voltage Reference, Positive
Voltage Reference, Negative
Reference Resistor: Requires 100 k
to
GNDA
Positive Power Supply for Clock Synthesizer
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
Enable Input for SPI Port
Positive Power Supply for Internal Digital
Functions
14
15
VDDQ
IOUTC
16
GNDQ
17
18
19
VDDC
GNDC
CLKP
20
CLKN
21
22
23
24
25
26
GNDS
GNDD
PC
PD
PE
VDDD
27
28
29
30
VDDH
CLKOUT
DOUTA
DOUTB
Positive Power Supply for Digital Interface
Clock Output for SSI Port
Data Output for SSI Port
Data Output for SSI Port (Inverted) or
SPI Port
Frame Sync for SSI Port
Ground for Digital Interface
Resets SSI and Decimator Counters;
Active Low
Substrate Ground
Reference Frequency Input for Both
Synthesizers
Ground for LO Synthesizer
Ground for LO Synthesizer Charge Pump
LO Synthesizer Charge Pump Output
Current Charge Pump
Positive Power Supply for LO Synthesizer
Charge Pump
Positive Power Supply for LO Synthesizer
External Filter Capacitor; DC Output of LNA
LO Input to Mixer and LO Synthesizer,
Negative
LO Input to Mixer and LO Synthesizer,
Positive
External Bypass Capacitor for LNA Power
Supply
Ground for Mixer and LNA
External Capacitor for Mixer V-I Converter
Bias
First IF Input (to LNA)
Positive Power Supply for LNA and Mixer
31
32
33
FS
GNDH
SYNCB
34
35
GNDS
FREF
36
37
38
GNDL
GNDP
IOUTL
39
VDDP
40
41
42
VDDL
CXVM
LON
43
LOP
44
CXVL
45
46
GNDI
CXIF
47
48
IFIN
VDDI
Pin
Mnemonic
Description
相關PDF資料 |
PDF描述 |
|---|---|
| AD9874BST | IF Digitizing Subsystem |
| AD9874EB | IF Digitizing Subsystem |
| AD9875BSTRL | Broadband Modem Mixed-Signal Front End |
| AD9875 | Broadband Modem Mixed-Signal Front End |
| AD9875-EB | Broadband Modem Mixed-Signal Front End |
相關代理商/技術參數 |
參數描述 |
|---|---|
| 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:* |
| AD9874ABST | 制造商:Analog Devices 功能描述:IF DIGITIZING SYBSYSTEM ((NW)) 制造商:Analog Devices 功能描述:IC, IF DIGITIZING SUBSYSTEM, LQFP-48 |
| AD9874ABST | 制造商:Analog Devices 功能描述:IC IF DIG SUBSYSTEM |
| AD9874ABSTRL | 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:* |
| AD9874ABSTZ | 制造商:AD 制造商全稱:Analog Devices 功能描述:IF Digitizing Subsystem |
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