AD9690 Datasheet, PDF (37/77 Pages) Analog Devices – 14-Bit, 1 GSPS/500 MSPS JESD204B, Analog-to-Digital Converter

Data Sheet
AD9690
Table 11. DDC Samples, Chip Decimation Ratio = 1
Real (I) Output (Complex to Real Enabled)
HB2 FIR +
HB1 FIR HB1 FIR
(DCM¹ = 1) (DCM¹ = 2)
HB3 FIR + HB2
FIR + HB1 FIR
(DCM¹ = 4)
HB4 FIR + HB3 FIR +
HB2 FIR + HB1 FIR
(DCM¹ = 8)
N
N
N
N
N+1
N+1
N+1
N+1
N+2
N
N
N
N+3
N+1
N+1
N+1
N+4
N+2
N
N
N+5
N+3
N+1
N+1
N+6
N+2
N
N
N+7
N+3
N+1
N+1
N+8
N+4
N+2
N
N+9
N+5
N+3
N+1
N + 10
N+4
N+2
N
N + 11
N+5
N+3
N+1
N + 12
N+6
N+2
N
N + 13
N+7
N+3
N+1
N + 14
N+6
N+2
N
N + 15
N+7
N+3
N+1
N + 16
N+8
N+4
N+2
N + 17
N+9
N+5
N+3
N + 18
N+8
N+4
N+2
N + 19
N+9
N+5
N+3
N + 20
N + 10
N+4
N+2
N + 21
N + 11
N+5
N+3
N + 22
N + 10
N+4
N+2
N + 23
N + 11
N+5
N+3
N + 24
N + 12
N+6
N+2
N + 25
N + 13
N+7
N+3
N + 26
N + 12
N+6
N+2
N + 27
N + 13
N+7
N+3
N + 28
N + 14
N+6
N+2
N + 29
N + 15
N+7
N+3
N + 30
N + 14
N+6
N+2
N + 31
N + 15
N+7
N+3
Complex (I/Q) Outputs (Complex to Real Disabled)
HB2 FIR +
HB1 FIR HB1 FIR
(DCM¹ = 2) (DCM¹ = 4)
HB3 FIR + HB2
FIR + HB1 FIR
(DCM¹ = 8)
HB4 FIR + HB3 FIR +
HB2 FIR + HB1 FIR
(DCM¹ = 16)
N
N
N
N
N+1
N+1
N+1
N+1
N
N
N
N
N+1
N+1
N+1
N+1
N+2
N
N
N
N+3
N+1
N+1
N+1
N+2
N
N
N
N+3
N+1
N+1
N+1
N+4
N+2
N
N
N+5
N+3
N+1
N+1
N+4
N+2
N
N
N+5
N+3
N+1
N+1
N+6
N+2
N
N
N+7
N+3
N+1
N+1
N+6
N+2
N
N
N+7
N+3
N+1
N+1
N+8
N+4
N+2
N
N+9
N+5
N+3
N+1
N+8
N+4
N+2
N
N+9
N+5
N+3
N+1
N + 10
N+4
N+2
N
N + 11
N+5
N+3
N+1
N + 10
N+4
N+2
N
N + 11
N+5
N+3
N+1
N + 12
N+6
N+2
N
N + 13
N+7
N+3
N+1
N + 12
N+6
N+2
N
N + 13
N+7
N+3
N+1
N + 14
N+6
N+2
N
N + 15
N+7
N+3
N+1
N + 14
N+6
N+2
N
N + 15
N+7
N+3
N+1
1 _{DCM = decimation.}
Rev. 0 | Page 37 of 77