MAX4146ESD-T Maxim Integrated, MAX4146ESD-T Datasheet

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MAX4146ESD-T

Manufacturer Part Number
MAX4146ESD-T
Description
Special Purpose Amplifiers
Manufacturer
Maxim Integrated
Series
MAX4144, MAX4145, MAX4146r
Datasheet
1.MAX4146EEE.pdf (16 pages)

Specifications of MAX4146ESD-T

Number Of Channels
Single
Common Mode Rejection Ratio (min)
80 dB
Input Offset Voltage
0.6 mV
Maximum Power Dissipation
667 mW
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
________________General Description
The MAX4144/MAX4145/MAX4146 differential line
receivers offer unparalleled high-speed, low-distortion
performance. Using a three op-amp instrumentation
amplifier architecture, these ICs have fully symmetrical
differential inputs and a single-ended output. They
operate from ±5V power supplies and are capable of
driving a 150Ω load to ±3.7V. The MAX4144 has an
internally set closed-loop gain of +2V/V. The MAX4145
is optimized for gains from +1V/V to +10V/V, while the
MAX4146 is optimized for gains from +10V/V to
+100V/V. The MAX4145/MAX4146 require a single
external resistor to set the closed-loop gain.
These amplifiers use laser-trimmed, matched thin-film
resistors to deliver a common-mode rejection (CMR) of
up to 90dB at 10MHz. Using current-feedback tech-
niques, the MAX4144 achieves a 130MHz bandwidth
and a 1000V/µs slew rate. The MAX4145 achieves a
bandwidth of 180MHz and a slew rate of 600V/µs while
operating with a closed-loop gain of +1V/V, and the
MAX4146 features a bandwidth of 70MHz and a slew
rate of 800V/µs with a gain of +10V/V. Excellent differ-
ential gain/phase and noise specifications make these
amplifiers ideal for a wide variety of video and RF
signal-processing applications.
For a complete differential transmission link, use the
MAX4144/MAX4145/MAX4146 with the MAX4147 differ-
ential line driver (see the MAX4147 data sheet for more
information).
________________________Applications
19-1147; Rev 3; 3/09
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
Pin Configurations appear at end of data sheet.
Typical Application Circuit appears at end of data sheet.
Differential to Single-Ended Conversion
Twisted-Pair to Coaxial Converter
High-Speed Instrumentation Amplifier
Data Acquisition
Medical Instrumentation
High-Speed Differential Line Receiver
________________________________________________________________ Maxim Integrated Products
High-Speed, Low-Distortion,
Differential Line Receivers
MAX4144:
MAX4145:
MAX4146:
_______________Ordering Information
____________________________Features
MAX4144ESD
MAX4144EEE
MAX4145ESD
MAX4145EEE
MAX4146ESD
MAX4146EEE
o +2V/V Internally Fixed Gain
o 130MHz Bandwidth
o 1000V/μs Slew Rate
o 70dB CMR at 10MHz
o -90dBc SFDR (f = 10kHz)
o Low Differential Gain/Phase: 0.03%/0.03°
o 800μA Shutdown
o External Gain Selection from +1V/V to +10V/V
o 180MHz Bandwidth
o 90MHz 0.1dB Gain Flatness
o 600V/μs Slew Rate
o 75dB CMR at 10MHz
o -92dBc SFDR (f = 10kHz)
o Very Low Noise: 3.8nV/√Hz (G = +10V/V)
o 800μA Shutdown
o External Gain Selection from +10V/V to +100V/V
o 70MHz Bandwidth (A
o 800V/μs Slew Rate
o 90dB CMR at 10MHz
o -82dBc SFDR (f = 10kHz)
o Very Low Noise: 3.45nV/√Hz (G = +100V/V)
o 800μA Shutdown
PART
TEMP. RANGE
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
V
= +10V/V)
14 SO
16 QSOP
14 SO
16 QSOP
14 SO
16 QSOP
PIN-PACKAGE
1

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MAX4146ESD-T Summary of contents

Page 1

... Very Low Noise: 3.45nV/√ +100V/V) o 800μA Shutdown _______________Ordering Information PART TEMP. RANGE MAX4144ESD -40°C to +85°C MAX4144EEE -40°C to +85°C MAX4145ESD -40°C to +85°C MAX4145EEE -40°C to +85°C MAX4146ESD -40°C to +85°C MAX4146EEE -40°C to +85°C = +10V/V) V PIN-PACKAGE QSOP QSOP QSOP ...

Page 2

High-Speed, Low-Distortion, Differential Line Receivers ABSOLUTE MAXIMUM RATINGS Supply Voltage ( ..................................................12V CC EE Voltage on IN_, SHDN, REF, OUT, SENSE, RG_.................................(V EE Short-Circuit Duration to Ground ........................................10sec Input Current (IN_, RG_)...................................................±10mA Output Current................................................................±120mA Stresses beyond those ...

Page 3

DC ELECTRICAL CHARACTERISTICS (continued +5V -5V, SHDN = 0V PARAMETER SYMBOL Output Current Drive I OUT SHDN High Threshold V SHDN Low Threshold V SHDN Input Bias Current I SHDN AC ELECTRICAL ...

Page 4

High-Speed, Low-Distortion, Differential Line Receivers AC ELECTRICAL CHARACTERISTICS (continued +5V -5V, SHDN = 0V PARAMETER SYMBOL Differential Phase (Note 1) DP Spurious-Free Dynamic Range SFDR Note 1: Differential gain and phase are ...

Page 5

Operating Characteristics (continued +5V -5V, SHDN = 0V MAX4146 0.1dB GAIN FLATNESS vs. FREQUENCY (A = +10 100mV 0.4 OUT RMS 0.3 0.2 0.1 0 -0.1 -0.2 ...

Page 6

High-Speed, Low-Distortion, Differential Line Receivers _____________________________Typical Operating Characteristics (continued +5V -5V, SHDN = 0V MAX4144 LARGE-SIGNAL PULSE RESPONSE ( OUT TIME (10ns/div) MAX4146 LARGE-SIGNAL PULSE RESPONSE (A = ...

Page 7

Operating Characteristics (continued +5V -5V, SHDN = 0V MAX4144 HARMONIC DISTORTION vs. FREQUENCY ( -10 OUT P-P -20 -30 -40 3RD HARMONIC -50 -60 ...

Page 8

High-Speed, Low-Distortion, Differential Line Receivers _____________________________Typical Operating Characteristics (continued +5V -5V, SHDN = 0V MAX4145 5MHz HARMONIC DISTORTION vs. OUTPUT SWING ( -10 -20 -30 -40 -50 2ND ...

Page 9

Operating Characteristics (continued +5V -5V, SHDN = 0V MAX4146 CURRENT NOISE DENSITY vs. FREQUENCY (A = +10 0.1 10 100 1k 10k 100k FREQUENCY (Hz) MAX4144 COMMON-MODE REJECTION ...

Page 10

High-Speed, Low-Distortion, Differential Line Receivers PIN MAX4144 MAX4145 QSOP QSOP 12,14 — ...

Page 11

Do not use IC sockets—they increase parasitic capacitance and inductance. • Use surface-mount power-supply bypass capacitors instead of through-hole capacitors. Their shorter lead lengths reduce parasitic inductance, leading to superior high-frequency performance. • Keep signal lines as short and ...

Page 12

High-Speed, Low-Distortion, Differential Line Receivers IN MAX4145 MAX4146 IN- Figure 2. Connection MAX4146 G Ω 1. Ω 14k ...

Page 13

This inductance forms an L-C resonant circuit with the capacitive load, which causes peaking in the frequency response and degrades the amplifier’s phase margin. The MAX4144/MAX4145/MAX4146 drive capacitive loads up to 25pF without oscillation. ...

Page 14

... IN- IN TWISTED-PAIR-TO-COAX CABLE CONVERTER V CC 0.1μ 75Ω VIDEO OUTPUT MAX4146ESD 0.1μ SENSE 75Ω 75Ω COAX V OUT MAX4144 OUT 75Ω REF ...

Page 15

TOP VIEW MAX4144 IN SHDN N. MAX4144 IN ...

Page 16

... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 16 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2009 Maxim Integrated Products ...

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