MAX2264/MAX2265/MAX2266 BIAS 19-1524 Rev 3 2/01 2.7V, Single-Supply, Cellular-Band Linear Power Amplifiers General Description Features The MAX2264/MAX2265/MAX2266 power amplifiers are Low Average CDMA Current Consumption in designed for operation in IS-98-based CDMA, IS-136- Typical Urban Scenario based TDMA, and PDC cellular telephones operating in 55mA (MAX2264) the 900MHz range. When matched for CDMA operation 90mA (MAX2265) and biased with margin over the adjacent and alternate 40mA (MAX2266) channel specification (-45dBc/-56dBc), the amplifiers achieve 28dBm output power with 37% efficiency 0.5A Shutdown Mode Eliminates External (MAX2265). At +16dBm outputa very common power Supply Switch level for CDMA phonesthe MAX2265 still has 7% effi- 0.8dB Gain Variation Over Temperature ciency, yielding excellent overall talk time. At the same power level, the MAX2264/MAX2266 have an unprece- No External Reference or Logic Interface dented 12%/17% efficiency, while still obtaining Circuitry Needed 32%/32% efficiency at maximum output power. Supply Current and ACPR Margin The MAX2264/MAX2265/MAX2266 have internally refer- Dynamically Adjustable enced bias ports that are normally terminated with sim- +2.7V to +5V Single-Supply Operation ple resistors. The bias ports allow customization of ACPR margin and gain. They can also be used to 37% Efficiency at +2.7V Operation throttle back bias current when generating low power levels. The MAX2264/MAX2265/MAX2266 have excel- Ordering Information lent gain stability over temperature (0.8dB), so overdesign of driver stages and excess driver current PIN- are dramatically reduced, further increasing the PART TEMP. RANGE PACKAGE phones talk time. The devices can be operated from +2.7V to +5V while meeting all ACPR specifications MAX2264EUE -40C to +85C 16 TSSOP-EP over the entire temperature range. Nonlinear efficiency MAX2264E/D -40C to +85C Dice* TSSOP-EP is 48% when matched for linear operation, or 55% when 5mm x 6.4mm MAX2265EUE -40C to +85C 16 TSSOP-EP matched for non-linear-only operation (MAX2265). MAX2266EUE -40C to +85C 16 TSSOP-EP The devices are packaged in a 16-pin TSSOP with *Contact factory for dice specifications. exposed pad (EP). For module or direct chip attach applications, the MAX2264 is also available in die form. Pin Configurations Applications Cellular-Band CDMA Dual-Mode Phones TOP VIEW Cellular-Band PDC Phones MAX2264/MAX2266 Cellular-Band TDMA Dual-Mode Phones Dual-Mode Phones IN1 1 16 IN0 2-Way Pagers PWR 2 15 BIAS2H V 3 14 V Power-Amplifier Modules CC CC BIAS1H 4 13 GND Selector Guide V 5 12 NFP CC SHDN 6 11 OUT0 POWER-ADDED EFFICIENCY (%) BIAS2L 7 10 BIAS1L DEVICE CDMA AT CDMA AT TDMA AT OUT1 8 9 OUT1 +28dBm +16dBm +30dBm MAX2264 32 12 TSSOP-EP MAX2265 37 7 42 Pin Configurations continued at end of data sheet. MAX2266 32 17 Maxim Integrated Products 1 For price, delivery, and to place orders, please contact Maxim Distribution at 1-888-629-4642, or visit Maxims website at www.maxim-ic.com. EVALUATION KIT MANUAL FOLLOWS DATA SHEET2.7V, Single-Supply, Cellular-Band Linear Power Amplifiers ABSOLUTE MAXIMUM RATINGS V to GND (no RF input) ....................................-0.3V to +6.5V Total DC Power Dissipation (T = +100C) CC PADDLE Logic Inputs to GND...................................-0.3V to (V + 0.3V) 16-Pin TSSOP-EP (derate 60mW/C CC BIAS to GND..........................................-0.3V to (V + 0.3V) above T = +100C) ...............................................4W CC PADDLE RF Input Power .................................................+13dBm (20mW) JA ...............................................................................8C/W Logic Input Current...........................................................10mA Operating Temperature Range ...........................-40C to +85C Output VSWR with +13dBm Input........................................2.5:1 Junction Temperature......................................................+150C Storage Temperature Range .............................-65C to +150C Lead Temperature (soldering, 10sec) .............................+300C Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. DC ELECTRICAL CHARACTERISTICS (V = +2.7V to +5V, T = T to T , no input signal applied, V = 2.0V. Typical values are at V = +3.3V and T = +25C, CC A MIN MAX SHDN CC A unless otherwise noted.) (Note 8) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Operating Voltage Range V 2.7 5.0 CC V PWR = V 95 CC MAX2264/MAX2266 Idle Current I PWR = GND 34 CC mA MAX2265 83 Shutdown Supply Current I 0.5 10 A SHDN = PWR = GND CC Logic Input Current High Logic = V -1 5 A CC Logic Input Current Low Logic = GND -1 1 A Logic Threshold High 2.0 V Logic Threshold Low 0.8 V AC ELECTRICAL CHARACTERISTICSMAX2264 (MAX2264 EV kit, V = V = V = +3.3V, T = +25C, f = 836MHz, CDMA modulation, SHDN = V , matching networks CC PWR SHDN A IN CC tuned for 824MHz to 849MHz operation, 50 system, unless otherwise noted.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Frequency Range (Notes 1, 2) f PWR = V or GND 824 849 MHz IN CC T = +25C 23 24.5 A PWR = V CC Power Gain (Note 1) G T = T to T 22 dB P A MIN MAX PWR = GND 18 21 Gain Variation vs. Temperature T = T to T , relative to T = +25C 0.8 dB A MIN MAX A (Note 1) PWR = V , P adjusted to meet ACPR CC IN 27 28 specification, f = 824MHz to 849MHz IN Output Power P dBm OUT (High-Power Mode) (Note 1) PWR = V = 2.8V, P adjusted to meet CC IN 26 27 ACPR specification, f = 824MHz to 849MHz IN PWR = GND, P adjusted to meet ACPR IN 15 16.5 specification, f = 824MHz to 849MHz IN Output Power P dBm OUT (Low-Power Mode) (Note 1) PWR = GND, V = 2.8V, P adjusted to meet CC IN 14 15.5 ACPR specification, f = 824MHz to 849MHz IN 2 MAX2264/MAX2265/MAX2266