AD9853 Analog Devices, AD9853 Datasheet - Page 4

• Manufacturer Part Number: AD9853
• Description: Programmable Digital OPSK/16-QAM Modulator
• Manufacturer: Analog Devices

AD9853
Pin #
1, 7, 9, 10,
36, 39, 44 DGND
2, 8, 37,
40, 43
3
4
5
6
11, 26, 31 Test Data Out
12, 13
14
15
16, 19, 23 AGND
17
18
20, 22
21
24
25
27
28
29
30
32
33
34
35
38
41
42
Pin Name
DVDD
Control Bus Clock
Control Bus Data In Control Bus Data In
FEC Enable
Address Bit
PLL GND
PLL VCC
PLL Filter
NC
DAC Rset
AVDD
DAC Baseline
IOUT
IOUTB
Test CLK
Test Latch
Test Data In
Test Data Enable
RESET
CA Enable
CA Clock
CA Data
REF CLK IN
Data In
T
X
PIN FUNCTION DESCRIPTIONS
ENABLE
Pin Function
Digital Ground
Digital Supply Voltage
Bit Clock for Control Bus
Data
Enables/Disables FEC
Address Bit for Control Bus
Factory Use—Serial Test Data
Out
PLL Ground
Supply Voltage for PLL
PLL Loop Filter Connection
Analog Ground
No Connect
Rset Resistor Connection
Analog Supply Voltage
DAC Baseline Voltage
Analog Current Output of the
DAC
Complementary Analog Cur-
rent Output of the DAC
Factory Use—Scan Clock
Factory Use—Scan Latch
Factory Use—Serial Test Data
In
Factory Use—Serial Test Data
Enable, Grounded for Normal
Operation
Master Device Reset Function
Cable Amplifier Enable
Cable Amplifier Serial Control
Clock
Cable Amplifier Serial Control
Data
Reference Clock Input
Input Serial Data Stream
Pulse that Frames the Valid
Input Data Stream
–4–
NC = NO CONNECT
ADDRESS BIT
ADDRESS BIT
BUS DATA IN
FEC ENABLE
BUS CLOCK
TEST DATA
CONTROL
CONTROL
DGND
DGND
DGND
DGND
DVDD
DVDD
OUT
10
11
1
4
5
6
7
8
9
2
3
44-Lead Metric Quad Flatpack
12 13 14 15 16 17 18 19 20 21 22
44
PIN 1
IDENTIFIER
PIN CONFIGURATION
43
42
41
(Not to Scale)
(S-44A)
TOP VIEW
40 39 38
AD9853
37
36 35 34
33
32
31
30
29
28
27
26
25
24
23
TEST DATA
ENABLE
CA ENABLE
RESET
TEST DATA OUT
TEST DATA IN
TEST LATCH
TEST CLK
TEST DATA OUT
IOUTB
IOUT
AGND
REV. C