Datasheet

AD5544/AD5554 Data Sheet
Rev. G | Page 4 of 24
Parameter Symbol Test Condition/Comments Min Typ Max Unit
Power Dissipation P
DISS
Logic inputs = 0 V 1.25 mW
Power Supply Sensitivity PSS ∆V
DD
= ±5% 0.006 %/%
AC CHARACTERISTICS
4
Output Voltage Settling Time t
S
To ±0.1% of full scale, data = 0x0000 to 0xFFFF to 0x0000 0.9 µs
Reference Multiplying
Bandwidth (BW)
BW − 3 dB V
REF
x = 5 V p-p, data = 0xFFFF, C
FB
= 2.0 pF, 12 MHz
DAC Glitch Impulse Q V
REF
x = 8 V, data = 0x0000 to 0x8000 to 0x0000 −1 nV-sec
Feedthrough Error
V
OUT
x/V
REF
x
Data = 0x0000, V
REF
x = 100 mV rms, f = 100 kHz
−65
dB
Crosstalk Error V
OUT
A/V
REF
B Data = 0x0000, V
REF
B = 100 mV rms, adjacent channel,
f = 100 kHz
−90 dB
Digital Feedthrough Q
CS
= 1, f
CLK
= 1 MHz 0.6 nV-sec
Total Harmonic Distortion THD V
REF
x = 5 V p-p, data = 0xFFFF, f = 1 kHz −98 dB
Output Spot Noise Voltage e
N
f = 1 kHz, BW = 1 Hz 7 nV/√Hz
1
All static performance tests (except I
OUT
x) are performed in a closed-loop system using an external precision OP177 I-to-V converter amplifier. The AD5544 R
FB
terminal
is tied to the amplifier output. Typical values represent average readings measured at 25°C.
2
These parameters are guaranteed by design and not subject to production testing.
3
All input control signals are specified with t
R
= t
F
= 2.5 ns (10% to 90% of 3 V) and timed from a voltage level of 1.5 V.
4
All ac characteristic tests are performed in a closed-loop system using an AD8038 I-to-V converter amplifier.
AD5554 ELECTRICAL CHARACTERISTICS
V
DD
= 2.7 V to 5.5 V, V
SS
= 0 V, I
OUT
x = virtual GND, A
GND
x = 0 V, V
REF
A = V
REF
B = V
REF
C = V
REF
D = 10 V, T
A
= full operating temperature
range of −40°C to +125°C, unless otherwise noted.
Table 2.
Parameter Symbol Test Condition/Comments Min Typ Max Unit
STATIC PERFORMANCE
1
Resolution N 1 LSB = V
REF
x/2
14
= 610 µV when V
REF
x = 10 V 14 Bits
Relative Accuracy INL ±0.5 LSB
Differential Nonlinearity
DNL
±1
LSB
Output Leakage Current I
OUT
x Data = 0x0000, T
A
= 25°C 10 nA
Data = 0x0000, T
A
= 85°C 20 nA
Full-Scale Gain Error G
FSE
Data = 0x3FFF ±2 ±10 mV
Full-Scale Tempco
2
TCV
FS
1 ppm/°C
Feedback Resistor R
FB
x V
DD
= 5 V 4 6 8 kΩ
REFERENCE INPUT
V
REF
x Range V
REF
x −15 +15 V
Input Resistance R
REF
x 4 6 8 kΩ
Input Resistance Match R
REF
x Channel-to-channel 1 %
Input Capacitance
2
C
REF
x 5 pF
ANALOG OUTPUT
Output Current I
OUT
x Data = 0x3FFF 1.25 2.5 mA
Output Capacitance
2
C
OUT
x Code dependent 80 pF
LOGIC INPUT AND OUTPUT
Logic Input Low Voltage V
IL
0.8 V
Logic Input High Voltage V
IH
2.4 V
Input Leakage Current I
IL
1 µA
Input Capacitance
2
C
IL
10 pF
Logic Output Low Voltage V
OL
I
OL
= 1.6 mA 0.4 V
Logic Output High Voltage V
OH
I
OH
= 100 µA 4 V
INTERFACE TIMING
2, 3
Clock Width High t
CH
25 ns
Clock Width Low t
CL
25 ns
CS
to Clock Setup t
CSS
0 ns
Clock to
CS
Hold t
CSH
25 ns