DAC1401D125 3 © IDT 2012. All rights reserved.
Product data sheet Rev. 03 — 2 July 2012 4 of 25
Integrated Device Technology
DAC1401D125
Dual 14-bit DAC, up to 125 Msps
[1] Type description: S = Supply; G = Ground; I = Input; O = Output; I/O = Input/Output.
DA0 14 I DAC A data input bit 0 (LSB)
DGND 15 G digital ground
V
DDD
16 S digital supply voltage
WRTA/IQWRT 17 I Input write port A
Input write IQ in Interleaved mode
CLKA/IQCLK 18 I Input clock port A
Input clock IQ in Interleaved mode
CLKB/IQRESET 19 I Input clock port B
reset IQ in Interleaved mode
WRTB/IQSEL 20 I Input write port B
select IQ in Interleaved mode
DGND 21 G digital ground
V
DDD
22 S digital supply voltage
DB13 23 I DAC B data input bit 13 (MSB)
DB12 24 I DAC B data input bit 12
DB11 25 I DAC B data input bit 11
DB10 26 I DAC B data input bit 10
DB9 27 I DAC B data input bit 9
DB8 28 I DAC B data input bit 8
DB7 29 I DAC B data input bit 7
DB6 30 I DAC B data input bit 6
DB5 31 I DAC B data input bit 5
DB4 32 I DAC B data input bit 4
DB3 33 I DAC B data input bit 3
DB2 34 I DAC B data input bit 2
DB1 35 I DAC B data input bit 1
DB0 36 I DAC B data input bit 0 (LSB)
PWD 37 I Power-down mode
AGND 38 G analog ground
IOUTBP 39 O DAC B current output
IOUTBN 40 O complementary DAC B current output
BVIRES 41 I adjust DAC B for full-scale output current
GAINCTRL 42 I gain control mode
REFIO 43 I/O reference input/output
AVIRES 44 I adjust DAC A for full-scale output current
IOUTAN 45 O complementary DAC A current output
IOUTAP 46 O DAC A current output
V
DDA
47 S analog supply voltage
MODE 48 I select between Dual port mode or Interleaved mode
Table 2. Pin description …continued
Symbol Pin Type
[1]
Description