AD9772AASTZ Analog Devices Inc, AD9772AASTZ Datasheet - Page 8

• Manufacturer Part Number: AD9772AASTZ
• Description: IC DAC 14BIT 160MSPS 48-LQFP
• Manufacturer: Analog Devices Inc
• Series: TxDAC+®r

Specifications of AD9772AASTZ

• Data Interface: Parallel
• Settling Time: 11ns
• Number Of Bits: 14
• Number Of Converters: 1
• Voltage Supply Source: Analog and Digital
• Power Dissipation (max): 272mW
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 48-LQFP
• Resolution (bits): 14bit
• Sampling Rate: 160MSPS
• Input Channel Type: Parallel
• Supply Voltage Range - Analog: 3.1V To 3.5V
• Supply Current: 37mA
• Digital Ic Case Style: QFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: AD9772A-EB - BOARD EVAL FOR AD9772A
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

AD9772A
DIGITAL FILTER SPECIFICATIONS
T
50 Ω doubly terminated, unless otherwise noted.
Table 4.
Parameter
MAXIMUM INPUT DATA RATE (f
DIGITAL FILTER CHARACTERISTICS
LINEAR PHASE (FIR IMPLEMENTATION)
STOP BAND REJECTION
GROUP DELAY
IMPULSE RESPONSE DURATION
1
2
Excludes sin(x)/x characteristic of DAC.
Defined as the number of data clock cycles between impulse input and peak of output response.
MIN
Pass-Bandwidth
Pass-Bandwidth: 0.01 dB
Pass-Bandwidth: 0.1 dB
Pass-Bandwidth: −3 dB
0.606 f
−40 dB
−60 dB
to T
–0.2
–0.4
1.0
0.8
0.6
0.4
0.2
–100
–120
–140
–20
–40
–60
–80
0
Figure 4. FIR Filter Frequency Response—Baseband Mode
CLOCK
MAX
0
Figure 5. FIR Filter Impulse Response—Baseband Mode
0
0
, AVDD = 3.3 V, CLKVDD = 3.3 V, PLLVDD = 0 V, DVDD = 3.3 V, I
to 1.394 f
2
5
0. 1
1
10
: 0.005 dB
0. 2
CLOCK
FREQUENCY (DC TO
0.3
15
TIME (Samples)
0. 4
20
DATA
)
0.5
25
0.6
f
DATA
30
)
0.7
35
0.8
40
0.9
45
1.0
Rev. C | Page 8 of 40
Table 5. Integer Filter Coefficients for Interpolation Filter
(43-Tap Half-Band FIR Filter)
Lower
Coefficient
H(1)
H(2)
H(3)
H(4)
H(5)
H(6)
H(7)
H(8)
H(9)
H(10)
H(11)
H(12)
H(13)
H(14)
H(15)
H(16)
H(17)
H(18)
H(19)
H(20)
H(21)
H(22)
Min
150
OUTFS
= 20 mA, differential transformer-coupled output,
Typ
0.401
0.404
0.422
0.479
73
11
36
42
Upper
Coefficient
H(43)
H(42)
H(41)
H(40)
H(39)
H(38)
H(37)
H(36)
H(35)
H(34)
H(33)
H(32)
H(31)
H(30)
H(29)
H(28)
H(27)
H(26)
H(25)
H(24)
H(23)
Max
Unit
MSPS
f
f
f
f
dB
Input clocks
Input clocks
Input clocks
OUT
OUT
OUT
OUT
/f
/f
/f
/f
DATA
DATA
DATA
DATA
Integer
Value
10
0
−31
0
69
0
−138
0
248
0
−419
0
678
0
−1083
0
1776
0
−3282
0
10,364
16,384