U2793B_06 Datasheet, PDF (4/13 Pages) ATMEL Corporation – 300-MHz Quadrature Modulator

3. Absolute Maximum Ratings
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress rating
only and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of this
specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
Parameters
Symbol
Value
Unit
Supply voltage
Input voltage
Junction temperature
Storage temperature range
V_S
6
V
V_i
0 to V_S
V
T_j
125
°C
T_Stg
–55 to +125
°C
4. Thermal Resistance
Parameters
Junction ambient SSO20
Symbol
R_thJA
Value
140
Unit
K/W
5. Operating Range
Parameters
Supply voltage
Ambient temperature range
Symbol
V_S
T_amb
Value
4.5 to 5.5
–40 to +85
Unit
V
°C
6. Electrical Characteristics
Test conditions (unless otherwise specified); V_S = 5V, T_amb = 25°C, referred to test circuit.
System impedance Zo = 50Ω, f_LO =150 MHz, P_LO = -15 dBm, V_BBi = 1.0 V_pp, differential
No. Parameters
Test Conditions
Pin Symbol
Min.
Typ.
Max.
Unit Type*
1.1 Supply voltage range
1.2 Supply current
2 Baseband Inputs, Pin 9-10, 11-12
6, 7
V_S
6, 7
I_S
4.5
5
5.5
V
A
15
mA
A
2.1 Input-voltage range (differential)
2.2 Input impedance
2.3 Input-frequency range
2.4 Input voltage, common mode
V_BBi
1000 1500 mVpp D
Z_BBi
30
kΩ
D
f_BBi
0
50
MHz
D
2.5
V
3 LO Input, Pins 14 and 15
3.1 Frequency range
3.2 Input level⁽¹⁾
3.3 Input impedance
3.4 Voltage standing wave ratio
3.5 Duty-cycle range
Notes: 1. Required LO level is a function of the LO frequency.
f_LOi
30
300 MHz
D
P_LOi
–15
–5
dBm
D
Z_iLO
(2)
Ω
D
VSWR_LO
3.5
D
DCR_LO
0.4
0.6
D
2. The LO input impedance is consisting of a 50 Ω resistor in series with a 15 pF capacitor.
3. With the pins 19 and 20 spurious performance especially for low frequency application can be improved by adding a chip
capacitor between LP1 and LP2. In conjunction with a parallel resistor the output level can be adjusted to the following
mixer stage without degration of LO suppression and noise performance which would decrease if the I/Q input level is
reduced.
4. For T_amb = –40°C to +85°C and V_S = 4.5V to 5.5V
4 U2793B
4651E–CELL–07/06