AD5439 Analog Devices, AD5439 Datasheet - Page 4

• Manufacturer Part Number: AD5439
• Description: (AD5424 - AD5547) High Bandwidth Multiplying DACs
• Manufacturer: Analog Devices

AD5547/AD5557
Parameter
AC CHARACTERISTICS
1
2
3
4
All static performance tests (except I
to the amplifier output. The OP97’s +IN pin is grounded, and the DAC’s I
Guaranteed by design; not subject to production testing.
All input control signals are specified with t
All ac characteristic tests are performed in a closed-loop system using an AD841 I-V converter amplifier.
Output Voltage Settling Time
Reference Multiplying BW
DAC Glitch Impulse
Multiplying Feedthrough Error
Digital Feedthrough
Total Harmonic Distortion
Output Noise Density
Analog Crosstalk
4
OUT
) are performed in a closed-loop system using an external precision OP97 I-V converter amplifier. The device R
LDAC
DATA
WR
RS
R
= t
Symbol
t
BW
Q
V
Q
THD
e
C
S
N
OUT
AT
F
D
= 2.5 ns (10% to 90% of 3 V), and are timed from a voltage level of 1.5 V.
/V
REF
Figure 3. AD5547/AD5557 Timing Diagram
t
t
WR
DS
Conditions
To ±0.1% of full scale, data cycles from zero scale
to full scale to zero scale
V
V
V
WR = 1, LDAC toggles at 1 MHz
V
f = 1 kHz, BW = 1 Hz
Signal input at Channel A and measure the output
at Channel B, f = 1 kHz
REF
REF
REF
REF
= 5 V p-p, data = full scale
= 0 V, midscale to midscale – 1
= 100 mV rms, f = 10 kHz
= 5 V p-p, data = full scale, f = 1 kHz
OUT
t
Rev. 0 | Page 4 of 20
DH
is tied to the OP97’s –IN pin. Typical values represent average readings measured at 25°C.
t
LWD
t
LDAC
t
RS
Min
Typ
0.5
4
7
–65
7
–85
12
–95
Max
FB
terminal is tied
Unit
µs
MHz
nV-s
dB
nV-s
dB
nV/√Hz
dB