AD9148 Analog Devices, AD9148 Datasheet - Page 4

• Manufacturer Part Number: AD9148
• Manufacturer: Analog Devices

Specifications of AD9148

• Resolution (bits): 16bit
• Dac Update Rate: 1GSPS
• Dac Settling Time: n/a
• Max Pos Supply (v): +3.47V
• Single-supply: No
• Dac Type: Current Out
• Dac Input Format: LVDS,Par

AD9148
FUNCTIONAL BLOCK DIAGRAM
FRAMEA_P/
FRAMEB_P/
FRAMEA_N
FRAMEB_N
A[15:0]_P/
B[15:0]_P/
A[15:0]_N
B[15:0]_N
DCIA_P/
DCIB_P/
DCIA_N
DCIB_N
16
16
1.2GHz
PROGRAMMING
REGISTERS
310MHz
MOD
MOD
MOD
MOD
f
f
f
f
S
S
S
S
/2
/2
/2
/2
IN/OUT PORT
310MHz
SINC
SINC
SINC
SINC
SERIAL
–1
–1
–1
–1
310MHz/620MHz
INTERNAL CLOCK TIMING AND CONTROL LOGIC
2×
2×
2×
2×
POWER-ON
RESET
500MHz/1GHz
2×
2×
2×
2×
Rev. B | Page 4 of 72
MULTI-CHIP
Figure 2.
500MHz/1GHz
SYNC
2×
2×
2×
2×
SYNC
32-BIT
NCO
COS
SIN
DAC_CLK
GAIN/
OFFSET_CTRL
PLL_CTRL
Q OFFSET
Q OFFSET
I OFFSET
I OFFSET
MULTIPLIER
(2× – 16×)
CLOCK
Q GAIN
Q GAIN
I GAIN
I GAIN
REFERENCE
GAIN
GAIN
GAIN
GAIN
BIAS
16-BIT
16-BIT
16-BIT
16-BIT
1GHz
DAC1
DAC2
DAC3
DAC4
AUX2
AUX3
AUX4
AUX1
Data Sheet
IOUT1_P
IOUT1_N
AUX1_P
AUX1_N
IOUT2_P
IOUT2_N
AUX2_P
AUX2_N
IOUT3_P
IOUT3_N
AUX3_P
AUX3_N
IOUT4_P
IOUT4_N
AUX4_P
AUX4_N
VREF
I120
CLK_P
CLK_N
REFCLK_P/
SYNC_P
REFCLK_N/
SYNC_N