AD7841AS Analog Devices Inc, AD7841AS Datasheet - Page 3

• Manufacturer Part Number: AD7841AS
• Description: IC DAC 14BIT OCTAL VOUT 44-MQFP
• Manufacturer: Analog Devices Inc

Specifications of AD7841AS

• Rohs Status: RoHS non-compliant
• Settling Time: 31µs
• Number Of Bits: 14
• Data Interface: Parallel
• Number Of Converters: 8
• Voltage Supply Source: Analog and Digital, Dual ±
• Power Dissipation (max): 303mW
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 44-MQFP, 44-PQFP
• For Use With: EVAL-AD7841EBZ - BOARD EVAL FOR AD7841

REV. B
Parameter
DYNAMIC PERFORMANCE
Specifications subject to change without notice.
AC PERFORMANCE CHARACTERISTICS
TIMING SPECIFICATIONS
Parameter
t
t
t
t
t
t
t
t
t
t
t
NOTES
1
2
Specifications subject to change without notice.
1
2
3
4
5
6
7
8
9
10
11
All input signals are specified with tr = tf = 5 ns (10% to 90% of 5 V) and timed from a voltage level of 1.6 V.
Rise and fall times should be no longer than 50 ns.
Output Voltage Settling Time
Slew Rate
Digital-to-Analog Glitch Impulse 230
Channel-to-Channel Isolation
DAC-to-DAC Crosstalk
Digital Crosstalk
Digital Feedthrough
Output Noise Spectral Density
@ 1 kHz
A0, A1, A2
Limit at T
15
0
50
50
0
0
20
0
31
300
50
DATA
LDAC
V
V
CLR
WR
OUT
OUT
CS
MIN,
A & B
Versions
31
0.7
99
40
0.2
0.1
200
1, 2
t
t
1
5
T
MAX
(V
t
t
3
4
t
CC
7
t
10
= 5 V
t
t
Unit
µs typ
V/µs typ
nV-s typ
dB typ
nV-s typ
nV-s typ
nV-s typ
nV/√Hz typ
t
6
2
8
t
9
5%; V
(These characteristics are included for Design Guidance and are not subject
to production testing.)
DD
= 15 V
Unit
ns min
ns min
ns min
ns min
ns min
ns min
ns min
ns min
µs typ
ns max
ns min
Test Conditions/Comments
Full-Scale Change to ± 1/2 LSB. DAC Latch Contents Alternately
Loaded with All 0s and All 1s
Measured with V
Alternately Loaded with 1FFF Hex and 2000 Hex. Not Dependent
on Load Conditions
See Terminology
See Terminology
Feedthrough to DAC Output Under Test Due to Change in Digital
Input Code to Another Converter
Effect of Input Bus Activity on DAC Output Under Test
All 1s Loaded to DAC. V
10%; V
SS
= –15 V
REF
(+) = +5 V, V
t
REF
11
10%; GND = DUTGND = 0 V)
(+) = V
Description
Address to WR Setup Time
Address to WR Hold Time
CS Pulsewidth Low
WR Pulsewidth Low
CS to WR Setup Time
WR to CS Hold Time
Data Setup Time
Data Hold Time
Settling Time
CLR Pulse Activation Time
LDAC Pulsewidth Low
REF
REF
(–) = –5 V. DAC Latch
(–) = 0 V
AD7841