AT15-0001 MACOM | Alldatasheet

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Technical content

Features

Attenuation: 1-dB Steps to 31 dB Low DC Power Consumption Integral TTL Driver 50Ω Nominal Impedance

Description

M/A-COM’s AT15-0001 is a GaAs FET 5-bit digital attenuator with a 1-dB minimum step size and 31 dB total attenuation. This attenuator and integral TTL driver is in a 24-pin dual inline package. The AT15-0001 is ideally suited for use where accuracy, fast switching, very low power consumption and low intermodulation products are required. Typical applications include dynamic range setting in precision receiver circuits and other gain/leveling control circuits. Environmental screening is available. Contact the factory for information. Parameter Test Conditions Units Minimum Typical Maximum Reference Insertion Loss DC - 0.5 GHz dB 6.0 DC - 1.0 GHz dB 6.5 DC - 2.0 GHz dB 7.3 Attenuation Accuracy2,3 Any Single Bit DC - 1.0 GHz ± (0.2 dB + 2% of attenuation setting in dB) dB DC - 2.0 GHz ± (0.25 dB + 2% of attenuation setting in dB) dB Any Combination of Bits DC - 1.0 GHz ± (0.2 dB + 2% of attenuation setting in dB) dB DC - 2.0 GHz ± (0.3 dB + 2% of attenuation setting in dB) dB VSWR DC - 0.5 GHz 1.3:1 DC - 1.0 GHz 1.4:1 DC - 2.0 GHz 1.7:1 Trise, Tfall 10% RF to 90% RF nS 5 Ton, Toff 50% Control to 90%/10% RF nS 30 Transients In-band mV 220 1 dB Compression Input Power 0.05 GHz dBm +20 Input Power 0.5 - 2.0 GHz dBm +27 Input IP3 For two-tone input power 0.05 GHz dBm +40 up to +5 dBm 0.5 - 2.0 GHz dBm +40 Input IP2 For two-tone input power 0.05 GHz dBm +60 up to +5 dBm 0.5 - 2.0 GHz dBm +75 VCC V 4.5 5.0 5.5 VEE V -16.5 -10.8 ICC VCC = 4.5 to 5.5 V mA 10 Vctl = 0 to 0.8 V, or VCC - 2.1 V to VCC IEE VEE = -16.5 to -10.8 V mA 8.0 VEE = -12.0 V mA 5.0 Vctl Logic 0 (TTL) V 0.0 0.8 Logic 1 (TTL) V 2.0 5.0 Input Leakage Current Low 0 to 0.8 V µA 1.0 High 2.0 to 5.0 V µA 1.0 Typical Electrical Specifications , TA = -55°C to +85°C PIN 1 PIN 13 0.600 (15.2) 0.14 (3.6 –0.5) 0.10 (2.5 –0.5) 0.80 (20.3 –0.5)

0.100 TYP

(2.4) 0.018 –0.005 (0.46 –0.13) DIA 24 PINS

0.120 MIN

(3.0)

0.200 MAX

(5.1) RF1 RF2 +V C R 16 1 2 4 8 1.37 (34.8 –0.5) DI-3 Dimensions in ( ) are in mm. Unless otherwise noted: l l l l 1. All specifications apply when operated with bias voltages of +5 V for VCC and -16.5 V to -10.8 V for VEE , and 50Ω impedance at all ports unless otherwise specified. 2. Above reference insertion loss. 3. This attenuator is guaranteed monotonic. 4. Replaces AT-104. 1 2 3 4 5 6 7 8 9 10-12 13 14-23 24 +5 V GND -12 V GND C16 C1 C2 C4 C8 GND RF2 GND RF1 Pin Configuration

Digital Attenuator, 31 dB, 5-Bit, TTl Driver AT15-0001 V4.00 M/A-COM, Inc. North America: Tel. (800) 366-2266 n Asia/Pacific: Tel. +81 (03) 3226-1671n Europe: Tel. +44 (1344) 869 595 Fax (800) 618-8883 Fax +81 (03) 3226-1451 Fax +44 (1344) 300 020 Specifications Subject to Change Without Notice. Functional Schematic Parameter Absolute Maximum Maximum Input Power DC - 0.5 GHz 0.5 - 2.0 GHz Supply Voltages V CC VEE Control Voltage Operating Temperature Storage Temperature Absolute Maximum Ratings1 Typical Performance 1. Operation of this device above any one of these parameters may cause permanent damage. REFERENCE INSERTION LOSS VS FREQUENCY VSWR VS FREQUENCY INSERTION LOSS (dB) +25°C -55°C 4 dB Bit State 16 dB Bit State 8 dB Bit State 2 dB Bit State 1 dB Bit State 2.0 1.8 1.6 1.4 1.2 1.0 VSWR FREQUENCY (GHz) FREQUENCY (GHz) Control Inputs C16 C8 C4 C2 C1 Attenuation 0 0 0 0 0 Reference 0 0 0 0 1 1 dB 0 0 0 1 0 2 dB 0 0 1 0 0 4 dB 0 1 0 0 0 8 dB 1 0 0 0 0 16 dB 1 1 1 1 1 31 dB 0 = TTL Low 1 = TTL High 2. Contact the factory for standard or custom screening requirements. Truth Table +27 dBm +34 dBm -0.5 V to +7.0 V -18 V to +0.5 V -0.5 V to V CC + 0.5 V -55°C to +125°C -65°C to +150°C ATTENUATION ACCURACY VS FREQUENCY (1, 2, 4, 8 and 16 dB Bits and Full Attenuation) DEVIATION FROM NOMINAL ATTENUATION (dB) 1 dB Bit 2 dB Bit 4 dB Bit 8 dB Bit16 dB Bit 1.0 0.5 -0.5 -1.0 FREQUENCY (GHz) Ordering Information2 Part Number Package AT15-0001 Dual Inline RF 1 +5V 16 dB GND GND 1 dB 2 dB 4 dB 8 dB RF 2 -12V N/C 16 1 2 4 8 TTL CONTROL INPUT +85°C Full Attenuation Reference Loss State