–3–REV. D
AD9054A
Test AD9054ABST-200 AD9054ABST-135
Parameter Temp Level Min Typ Max Min Typ Max Unit
POWER SUPPLY
V
DD
Supply Current (I
DD
) Full VI 128 156 120 140 mA
Power Dissipation
5, 6
Full VI 640 781 600 700 mW
Power Supply Sensitivity
7
25°C I 0.005 0.015 0.005 0.015 V/V
DYNAMIC PERFORMANCE
8
Transient Response 25°C V 1.5 1.5 ns
Overvoltage Recovery Time 25°C V 1.5 1.5 ns
Signal-to-Noise Ratio (SNR)
(Without Harmonics)
f
IN
= 19.7 MHz 25°CIV 42 45 4245 dB
Full V 45 45 dB
f
IN
= 49.7 MHz 25°C I 42 45 42 45 dB
Full V 45 45 dB
f
IN
= 70.1 MHz 25°C I 42 45 dB
Full V 45 dB
Signal-to-Noise Ratio (SINAD)
(With Harmonics)
f
IN
= 19.7 MHz 25°CIV 40 43 4043 dB
Full V 43 43 dB
f
IN
= 49.7 MHz 25°C I 40 43 40 43 dB
Full V 43 43 dB
f
IN
= 70.1 MHz 25°C I 39 42 dB
Full V 42 dB
Effective Number of Bits
f
IN
= 19.7 MHz 25°C IV 6.35 6.85 6.35 6.85 Bits
f
IN
= 49.7 MHz 25°C I 6.35 6.85 6.35 6.85 Bits
f
IN
= 70.1 MHz 25°C I 6.18 6.85 Bits
2nd Harmonic Distortion
f
IN
= 19.7 MHz 25°C IV 58 63 58 63 dBc
f
IN
= 49.7 MHz 25°C I 54 59 54 59 dBc
f
IN
= 70.1 MHz 25°C I 49 55 dBc
3rd Harmonic Distortion
f
IN
= 19.7 MHz 25°C IV 48 56 48 56 dBc
f
IN
= 49.7 MHz 25°C I 48 54 48 54 dBc
f
IN
= 70.1 MHz 25°C I 43 50 dBc
Two-Tone Intermod Distortion
(IMD)
f
IN
= 19.7 MHz 25°C V 60 60 dBc
f
IN
= 49.7 MHz 25°C V 55 55 dBc
f
IN
= 70.1 MHz 25°C V 50 dBc
NOTES
1
Gain error and gain temperature coefficient are based on the ADC only (with a fixed 2.5 V external reference).
2
3 dB bandwidth with full-power input signal.
3
t
V
and t
PD
are measured from the threshold crossing of the ENCODE input to valid TTL levels of the digital outputs. The output ac load during test is 5 pF (Refer to
equivalent circuits Figures 5 and 6).
4
I
IH
and I
IL
are valid for differential input voltages of less than 1.5 V. At higher differential voltages, the input current will increase to a maximum of 1.5 mA.
5
Power dissipation is measured under the following conditions: analog input is –1 dBFS at 19.7 MHz.
6
Typical thermal impedance for the ST-44 (LQFP) 44-lead package (in still air): θ
JC
= 20°C/W, θ
CA
= 35°C/W, θ
JA
= 55°C/W.
7
A change in input offset voltage with respect to a change in V
DD
.
8
SNR/harmonics based on an analog input voltage of –1.0 dBFS referenced to a 1.024 V full-scale input range.
Specifications subject to change without notice.
EXPLANATION OF TEST LEVELS
Test Level
I. 100% production tested.
II. 100% production tested at 25°C and sample tested at speci-
fied temperatures.
III. Sample tested only.
IV. Parameter is guaranteed by design and characterization testing.
V. Parameter is a typical value only.
VI. 100% production tested at 25°C; guaranteed by design and
characterization testing for industrial temperature range.
