AD9857ASTZ Analog Devices Inc, AD9857ASTZ Datasheet - Page 31

• Manufacturer Part Number: AD9857ASTZ
• Description: IC QUADRATURE DGTL UPCONV 80LQFP
• Manufacturer: Analog Devices Inc
• Series: AD9857r

Specifications of AD9857ASTZ

• Function: Upconverter
• Frequency: 5MHz ~ 200MHz
• Rf Type: HFC Cable Network
• Package / Case: 80-LQFP
• Transmitting Current: 540mA
• Modulation Type: FSK
• Rf Ic Case Style: LQFP
• No. Of Pins: 80
• Supply Voltage Range: 3.135V To 3.465V
• Operating Temperature Range: -40°C To +85°C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

SIGNAL PATH Q
INVCIC CLOCK
SIGNAL PATH I
SIGNAL PATH Q
INVCIC CLOCK
SIGNAL PATH I
SYSCLK/2N
SYSCLK/4N
TxENABLE
SYSCLK/N
SYSCLK/2N
SYSCLK/4N
TxENABLE
D<13:0>
SYSCLK/N
PDCLK
D<13:0>
PDCLK
DON'T CARE
DON'T CARE
Figure 33. Latency from D<13:0> to Signal Processing Chain, Four PDCLK Cycles
Figure 34. Latency from D<13:0> to Signal Processing Chain, Five PDCLK Cycles
LATENCY THROUGH DATA ASSEMBLER LOGIC
I
0
IS 3 PDCLK CYCLES
I
0
Q
LATENCY THROUGH DATA ASSEMBLER LOGIC IS
0
Rev. C| Page 31 of 40
Q
3 PDCLK CYCLES
0
I
1
I
INVERSE CIC FILTER SETUP TIME
1
Q
1
Q
I
0
Q
I
0
2
FILTER SETUP
1
INVERSE CIC
TIME
Q
I
0
0
Q
2
I
2
I
Q
1
1
I
3
Q
2
Q
I
1
1
Q
AD9857
3