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Part: MAX3516
Category:
Communication
-> Wireless
Description: MAX3514, MAX3516, MAX3517 Upstream Catv Amplifier
Company: Maxim Integrated Products
Datasheet: Download MAX3516 datasheet File size : 472 kB
Request For quote: Find where to buy MAX3516
Datasheet text preview:
19-1826; Rev 2; 9/01
KIT ATION EVALU ABLE AVAIL
Upstream CATV Amplifiers
General Description Features
o Accurate Gain Control o Gain Programmable in 0.5dB Steps o 56dB of Gain Control Range o -55dBc Harmonic Distortion at 65MHz Input o Low Burst On/Off Transient o High Efficiency: 35mA at +34dBmV Out 8mA Transmit Disable Mode
MAX3514/MAX3516/MAX3517
The MAX3514/MAX3516/MAX3517 programmable-gain a m p l i f i e r s are designed for use in CATV upstream a p p l i c a t i o n s . The MAX3514/MAX3517 drive up to +61dBmV (QPSK) into a 75 load when driven with a +34dBmV nominal input signal. The MAX3516 drives up to +64dBmV (QPSK). Both input and output ports are differential, requiring that an external balun be used at the output port. The variable gain feature provides greater than 56dB of dynamic range, which is cont r o l l e d by an SPITM 3-wire interface. Gain control is available in 0.5dB steps. The devices operate over a frequency range of 5MHz to 65MHz. The MAX3514 is a pin-for-pin compatible upgrade for the MAX3510. Like the MAX3510, the MAX3514 is internally matched for use with a 2:1 (voltage ratio) balun. The MAX3517 utilizes an external output resistor for greater load-matching flexibility, and offers the same performance as the MAX3514. The MAX3516 is a higher power version of the MAX3514 with 3dB more gain and output power capability, and is offered in a smaller thermally enhanced TSSOP-EP package. These devices operate from a single +5VDC supply and d r a w 120mA during transmit (100% duty cycle, +61dBmV out). The MAX3516 can be operated at up to +9VDC supply for improved harmonic distortion performance. The bias current is automatically adjusted based on the output level to increase efficiency. Additionally, the devices are shut off between bursts to minimize noise and save power while still maintaining a match at the output port. Shutdown mode disables all circuitry and reduces current consumption to 10µA (typ). The MAX3514/MAX3517 are available in a 20-pin QSOP p a c k a g e and the MAX3516 is available in a 20-pin TSSOP-EP package. All devices operate in the extended industrial temperature range (-40°C to +85°C).
Ordering Information
PART MAX3514EEP MAX3516EUP MAX3517EEP TEMP RANGE -40°C to +85°C -40°C to +85°C -40°C to +85°C PINPACKAGE 20 QSOP 20 TSSOP-EP* 20 QSOP
*Exposed paddle
Pin Configuration
TOP VIEW
GND 1 VCC 2 GND 3 GND 4 IN+ 5 IN- 6 GND 7 CS 8 20 GND 19 VCC 18 TXEN 17 N.C.
________________________Applications
DOCSIS/EuroDOCSIS and DVB Cable Modems OpenCable Set-Top Box Telephony over Cable CATV Status Monitor
MAX3514 MAX3516 MAX3517
16 OUT+ 15 OUT14 CEXT (N.C.) 13 N.C.
Typical Operating Circuit appears at end of data sheet. SPI is a trademark of Motorola Corp. DOCSIS/EuroDOCSIS/OpenCable are trademarks of CableLabs.
SDA 9 SCLK 10
EXPOSED PADDLE*
12 SHDN 11 GND ( ) FOR MAX3517 ONLY * MAX3516 ONLY
QSOP/TSSOP-EP
________________________________________________________________ Maxim Integrated Products
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For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim's website at www.maxim-ic.com.
Upstream CATV Amplifiers MAX3514/MAX3516/MAX3517
ABSOLUTE MAXIMUM RATINGS
VCC, OUT+, OUT-......-0.3V to +10.0V Input Voltage Levels (all inputs) ........-0.3V to (VCC + 0.3V) Continuous Input Voltage (IN+, IN-) ..2Vp-p Continuous Current (OUT+, OUT-) ..120mA Continuous Power Dissipation (TA = +70°C) 20-Pin QSOP (derate 12.3mW/°C above TA = +70°C). .988mW 20-Pin TSSOP-EP (derate 27mW/°C above TA = +70°C) .....2200mW Operating Temperature Range .. -40°C to +85°C Junction Temperature ..... +150°C Storage Temperature Range .... -65°C to +150°C Lead Temperature (soldering, 10s) ........ +300°C
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--MAX3514/MAX3516/MAX3517
(Typical operating circuit; VCC = +4.75V to +5.25V, VGND = 0, TXEN = SHDN = high, TA = -40°C to +85°C. Typical parameters are at VCC = +5V, TA = +25°C, unless otherwise specified.) (Note 1)
PARAMETER Supply Voltage Supply Current Transmit Mode (MAX3514/MAX3517) Supply Current Transmit Mode (MAX3516) Supply Current Transmit Disable Mode Supply Current Low-Power Standby LOGIC INPUTS Input High Voltage Input Low Voltage Input High Current Input Low Current V INH VINL IB I A S H IB I A S L VINH = +3.6V VINL = 0 -100 2.0 0.8 100 V V µA µA SYMBOL VCC ICC ICC ICC ICC D7 = 1, gain code = 125 (AV = 27dB) D7 = 0, gain code = 100 (AV = 0dB) D7 = 1, gain code = 125 (AV = 31dB) D7 = 0, gain code = 94 (AV = 0.5dB) TXEN = low SHDN = low CONDITIONS MIN 4.75 120 35 160 30 8 10 12 195 TYP MAX 5.25 150 UNITS V mA mA mA µA
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Upstream CATV Amplifiers
AC ELECTRICAL CHARACTERISTICS--MAX3514
(MAX3514 EV kit; VCC = +4.75V to +5.25V, VGND = 0, PIN = +34dBmV, TXEN = SHDN = high, TA = -40°C to +85°C. Typical parameters are at VCC = +5V, TA = +25°C, unless otherwise specified.) (Note 1)
PARAMETER SYMBOL CONDITIONS D7 = 1, gain code = 125, TA = 0°C to +85°C D7 = 1, gain code = 110, TA = 0°C to +85°C D7 = 1, gain code = 87, TA = 0°C to +85°C Voltage Gain, fIN = 5MHz (Note 2) AV D7 = 0, gain code = 115, TA = 0°C to +85°C D7 = 0, gain code = 100, TA = 0°C to +85°C D7 = 0, gain code = 80, TA = 0°C to +85°C D7 = 0, gain code = 60, TA = 0°C to +85°C D7 = 0, gain code = 48, TA = 0°C to +85°C Voltage Gain, fIN = 65MHz AV D7 = 1, gain code = 127, TA = -40°C to +85°C; Notes 3, 4 VOUT = 61dBmV, fIN = 5MHz to 42MHz (Notes 3, 4) Gain Rolloff VOUT = 61dBmV, fIN = 5MHz to 65MHz (Notes 3, 4) fIN = 5MHz to 65MHz, AV = -26dB to +27dB Gain Step Size fIN = 5MHz to 65MHz, AV = -26dB to +27dB, any 2-bit transition of D0, D1 fIN = 5MHz to 65MHz, D7 = 0, gain code = 115; to D7 = 1, gain code = 87 Transmit-Disable Mode Noise Isolation in Transmit-Disable Mode Transmit Mode Noise Transmit Enable Transient Duration Transmit Disable Transient Duration TXEN = low, BW = 160kHz, fIN = 5MHz to 65MHz; Note 3 TXEN = low, fIN = 5MHz to 65MHz (Note 3) BW = 160kHz, fIN = 5MHz to 65MHz, AV = -26dB to +27dB; Note 3 TXEN input rise/fall time < 0.1µs, TA = +25°C (Note 3) TXEN input rise/fall time < 0.1µs, TA = +25°C (Note 3) D7 = 1, gain code = 125 (AV = 27dB), TA = +25°C D7 = 0, gain code = 100 (AV = 0.2dB), TA = +25°C ZIN fIN = 5MHz to 65MHz, single ended; Note 3 fIN = 5MHz to 42MHz in 75 system, D7 = 1 gain code = 125 (AV = 27dB) (Note 4) 1 30 1 1.5 10 k dB 60 -59 2 2 100 mVp-p 0.7 0.7 -1.0 0.5 1 1.0 1.3 1.3 -71 dBmV dB dBc µs µs dB -1.5 MIN 26.7 19.2 7.7 6.7 -0.8 -10.8 -20.8 -27.0 26.3 -0.3 -0.5 dB TYP 27.7 20.2 8.7 7.7 0.2 -9.8 -19.8 -26.0 MAX 28.7 21.2 9.7 8.7 1.2 -8.8 -18.8 -25.0 dB dB UNITS
MAX3514/MAX3516/MAX3517
Transmit Disable/Transmit Enable Transient Step Size Input Impedance Output Return Loss
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