(VDDI = VDDF = VDDA = VDDC = VDDL = VDDD = VDDH = 2.7 V to 3.6 V,
AD9874–SPECIFICATIONS
VDDQ = VDDP = 2.7 V to 5.5 V, fCLK = 18 MSPS, fIF = 109.65 MHz, fLO = 107.4 MHz, fREF = 16.8 MHz, unless otherwise noted.)1
Parameter
Temp
Test Level Min
Typ
Max
Unit
SYSTEM DYNAMIC PERFORMANCE2
SSB Noise Figure @ Min VGA Attenuation3, 4
@ Max VGA Attenuation3, 4
Full
Full
Full
Full
Full
Full
Full
IV
IV
IV
IV
IV
IV
IV
8.1
13
9.5
dB
dB
Dynamic Range with AGC Enabled3, 4
IF Input Clip Point @ Max VGA Attenuation3
@ Min VGA Attenuation3
91
95
dB
–20
–32
–5
–19
–31
0
dBm
dBm
dBm
dB
Input Third Order Intercept (IIP3)
Gain Variation over Temperature
0.7
2
LNA + MIXER
Maximum RF and LO Frequency Range
LNA Input Impedance
Full
IV
V
V
300
500
370//1.4
1
MHz
⍀//pF
k⍀
25oC
25oC
Mixer LO Input Resistance
LO SYNTHESIZER
LO Input Frequency
Full
Full
Full
Full
Full
Full
Full
Full
Full
IV
IV
IV
IV
IV
VI
VI
VI
IV
7.75
0.3
300
2.0
25
3
MHz
V p-p
MHz
V p-p
V/s
mA
LO Input Amplitude
FREF Frequency (for Sinusoidal Input ONLY)
FREF Input Amplitude
8
0.3
7.5
FREF Slew Rate
Minimum Charge Pump Current @ 5 V5
Maximum Charge Pump Current @ 5 V5
Charge Pump Output Compliance6
Synthesizer Resolution
0.48
3.87
0.4
0.67
5.3
0.78
6.2
VDDP – 0.4
mA
V
kHz
6.25
CLOCK SYNTHESIZER
CLK Input Frequency
Full
Full
Full
Full
Full
Full
IV
IV
VI
VI
VI
IV
13
26
MHz
V p-p
mA
CLK Input Amplitude
0.3
0.48
3.87
0.4
2.2
VDDC
0.78
Minimum Charge Pump Output Current5
Maximum Charge Pump Output Current5
Charge Pump Output Compliance6
Synthesizer Resolution
0.67
5.3
6.2
mA
VDDQ – 0.4
V
kHz
SIGMA-DELTA ADC
Resolution
Full
Full
Full
Full
Full
IV
IV
V
IV
IV
16
13
24
26
Bits
MHz
MHz
dB
Clock Frequency (fCLK
)
Center Frequency
Pass-Band Gain Variation
Alias Attenuation
f
CLK/8
1.0
80
50
dB
GAIN CONTROL
Programmable Gain Step
AGC Gain Range (Continuous)
GCP Output Resistance
Full
Full
Full
V
16
dB
dB
k⍀
V
12
IV
72.5
95
OVERALL
Analog Supply Voltage
(VDDA, VDDF, VDDI)
Digital Supply Voltage
(VDDD, VDDC, VDDL)
Interface Supply Voltage7
(VDDH)
Full
Full
Full
Full
VI
VI
VI
VI
2.7
2.7
1.8
2.7
3.0
3.0
3.6
3.6
3.6
5.5
V
V
V
V
Charge Pump Supply Voltage
(VDDP, VDDQ)
5.0
Total Current
High Performance Setting8
Low Power Mode8
Standby
Full
Full
Full
VI
VI
VI
20
26.5
22
0.1
mA
mA
mA
17
0.01
OPERATING TEMPERATURE RANGE
–40
+85
°C
NOTES
1Standard operating mode: LNA/Mixer @ high bias setting, VGA @ Min ATTEN setting, synthesizers in normal (not fast acquire) mode, fCLK = 18 MHz, decimation
factor = 900, 16-bit digital output, and 10 pF load on SSI output pins.
2This includes 0.9 dB loss of matching network.
3AGC with DVGA enabled.
4Measured in 10 kHz bandwidth.
5Programmable in 0.67 mA steps.
6Voltage span in which LO (or CLK) charge pump output current is maintained within 5% of nominal value of VDDP/2 (or VDDQ/2).
7VDDH must be less than VDDD + 0.5 V.
8 Clock VCO off, add additional 0.7 mA with VGA @ Max ATTEN setting.
Specifications subject to change without notice.
REV. A
–3–