AD6122 Ver la hoja de datos (PDF) - Analog Devices
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AD6122 Datasheet PDF : 20 Pages
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AD6122–SPECIFICATIONS (TA = +25؇C, VCC = +3.0 V, LO = 2 ؋ IF, REFIN = 1.23 V, LDO Enabled, unless otherwise
noted) NOTE: All powers shown in dBm are referred to 1 k⍀.
Specification
Conditions
Min Typ
Max Unit
MODULATOR
Output Level
Output Third Order Harmonic
I/Q Inputs
Differential Input Voltage
Bandwidth
Resistance
Quadrature Accuracy
Amplitude Balance
Output Referred Noise
Modulator Common-Mode Reference
LO Input Resistance
LO Input Capacitance
LO Carrier Leakage
LO = 260.76 MHz (2 × IF), 100 mV p-p
500 mV p-p Differential I and Q Inputs;
Output Level Referred to a 1 kΩ Differential Load
Differential
–3 dB
0.9 MHz to 5.0 MHz Offsets
Differential Input at 260.38 MHz
Differential Input at 260.38 MHz
Bias I/Q Using MODCMREF
–21
–50
500
20
30
±1
± 0.1
–169
1.408
1.2
2.4
–40
dBm
dBc
mV p-p
MHz
kΩ
°
dB
dBm/Hz
V
kΩ
pF
dBc
IF AMPLIFIER
Noise Figure
Input 1 dB Compression Point
Input Third-Order Intercept
Gain Flatness
Input Capacitance
Differential IF Input Resistance
Differential IF Output Resistance
Differential IF Output Capacitance
FIF = 130.38 MHz
VGAIN = 2.5 V, 1 kΩ Differential Load
VGAIN = 2.5 V
VGAIN = 2.5 V
IF ± 630 kHz
Shunt Equivalent Model at 130.38 MHz
Shunt Equivalent Model at 130.38 MHz
Per Pin at 130.38 MHz
Per Pin at 130.38 MHz
10
–32
–24
± 0.25
2.3
680
4.2
2.0
dB
dBm
dBm
dB
pF
Ω
kΩ
pF
GAIN CONTROL INTERFACE
Gain Scaling
Gain Scaling Linearity
Minimum Gain
Maximum Gain
Gain Control Response Time
Input Resistance at REFIN
Input Resistance at VGAIN
Using Internal Reference
For a Typical Dynamic Range of 92 dB
VGAIN = 0.5 V
VGAIN = 2.5 V
90 dB Gain Change, Min Gain to Max Gain
75
dB/V
±3
dB/V
–63
dB
+34
dB
0.7
µs
10
MΩ
109
kΩ
POWER-DOWN INTERFACE
Logic Threshold High
Logic Threshold Low
Input Current for Logical High
Turn-On Response Time
Turn-Off Response Time
Power-Up on Logical High
Measure to Settling of AGC from Standby Mode
To 200 µA Supply Current
1.34
V
1.30
V
0.1
µA
23
µs
187
ns
LOW DROPOUT REGULATOR
Input Range
Nominal Output
Dropout Voltage
Reference Output
External PNP Pass Transistor, VCESAT = –0.4 V
Max, hFE = 100/300 Min/Max
2.9–4.2
V
2.70
V
200
mV
1.23
V
POWER SUPPLY
Supply Range Bypassing Internal LDO
Supply Current
Standby Current
VGAIN = 1.5 V (Unity Gain)
2.7–5.0
V
10.4
mA
7.8
µA
OPERATING TEMPERATURE
TMIN to TMAX
Specifications subject to change without notice.
–40
+85 °C
–2–
REV. B
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