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
DAC1401D125 3 © IDT 2012. All rights reserved.
Product data sheet Rev. 03 — 2 July 2012 5 of 25
Integrated Device Technology
DAC1401D125
Dual 14-bit DAC, up to 125 Msps
7. Limiting values
[1] All supplies are connected together.
8. Thermal characteristics
9. Characteristics
Table 3. Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol Parameter Conditions Min Max Un
it
V
DDD
digital supply voltage
[1]
0.3 +5.0 V
V
DDA
analog supply
voltage
[1]
0.3 +5.0 V
V
DD
supply voltage
difference
between analog and digital supply
voltage
150 +150 mV
V
I
input voltage digital inputs referenced to DGND 0.3 +5.5 V
pins REFIO, AVIRES, BVIRES
referenced to AGND
0.3 +5.5 V
V
O
output voltage pins IOUTAP, IOUTAN, IOUTBP and
IOUTBN referenced to AGND
0.3 V
DDA
+
0.3
V
T
stg
storage temperature 55 +150 C
T
amb
ambient temperature 40 +85 C
T
j
junction temperature - 125 C
Table 4. Thermal characteristics
Symbol Parameter Conditions Typ Unit
R
th(j-a)
thermal resistance from junction to ambient in free air 89.3 K/W
R
th(c-a)
thermal resistance from case to ambient in free air 60.6 K/W
Table 5. Characteristics
V
DDD
= V
DDA
= 3.3 V; AGND and DGND connected together; I
O(fs)
= 20 mA and T
amb
=
40
C to +85
C; typical values
measured at T
amb
=25
C.
Symbol Parameter Conditions Min Typ Max Unit
Supplies
V
DDD
digital supply voltage 3.0 3.3 3.65 V
V
DDA
analog supply voltage 3.0 3.3 3.65 V
I
DDD
digital supply current f
s
= 65 Msps, f
o
= 1 MHz,
V
DD
= 3.0 V to 3.6 V
-67 mA
I
DDA
analog supply current f
s
= 65 Msps, f
o
= 1 MHz,
V
DD
= 3.0 V to 3.6 V
-5065 mA
P
tot
total power dissipation f
s
= 65 Msps, f
o
= 1 MHz,
V
DD
= 3.0 V to 3.6 V
- 185 260 mW
P
pd
power dissipation in
power-down mode
- 16.5 - mW
DAC1401D125 3 © IDT 2012. All rights reserved.
Product data sheet Rev. 03 — 2 July 2012 6 of 25
Integrated Device Technology
DAC1401D125
Dual 14-bit DAC, up to 125 Msps
Digital inputs
V
IL
LOW-level input voltage DGND - 0.9 V
V
IH
HIGH-level input voltage 1.3 - V
DDD
V
I
IL
LOW-level input current V
IL
=0.9V - 5 - A
I
IH
HIGH-level input current V
IH
=1.3V - 5 - A
C
i
input capacitance
[1]
-5- pF
Analog outputs (IOUTAP, IOUTAN, IOUTBP and IOUTBN)
I
O(fs)
full-scale output current differential outputs 2 - 20 mA
V
O
output voltage compliance range
[1]
1-+1.25V
R
o
output resistance
[1]
- 150 - k
C
o
output capacitance
[1]
-3- pF
Reference voltage input/output (REFIO)
V
O(ref)
reference output voltage 1.21 1.26 1.31 V
I
O(ref)
reference output current
[1]
- 100 - nA
V
i
input voltage compliance range 1.0 - 1.26 V
R
i
input resistance - 1 - M
Input timing see Figure 18
f
s
sampling frequency - - 125 Msps
t
w(WRT)
WRT pulse width pins WRTA, WRTB 2 - - ns
t
w(CLK)
CLK pulse width pins CLKA, CLKB 2 - - ns
t
h(i)
input hold time 1 - - ns
t
su(i)
input set-up time 1.8 - - ns
Output timing (IOUTAP, IOUTAN, IOUTBP, IOUTBN)
t
d
delay time 1 - ns
t
t
transition time rising or falling transition
(10 % to 90 % or 90 % to 10 %)
[1]
-0.6- ns
t
s
settling time 1LSB
[1]
-43- ns
Static linearity
INL integral non-linearity 25 C 1.60 2.15 2.90 LSB
40 C to +85 C 1.25 - 2.95 LSB
DNL differential non-linearity 40 C to +85 C 0.55 0.75 1.10 LSB
Static accuracy (relative to full-scale) with GAINCTRL = 0
E
offset
offset error -0.02 - +0.02 %
E
G
gain error with external reference -1.9 1.5 +2.5 %
with internal reference -2.9 2.1 +2.9 %
G gain mismatch between DAC A and DAC B -0.5 0.05 +0.5 %
Table 5. Characteristics
…continued
V
DDD
= V
DDA
= 3.3 V; AGND and DGND connected together; I
O(fs)
= 20 mA and T
amb
=
40
C to +85
C; typical values
measured at T
amb
=25
C.
Symbol Parameter Conditions Min Typ Max Unit

DAC1401D125HL-C1

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IC DAC 14BIT A-OUT 48TQFP
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