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 19-1749; Rev 0; 7/00
Dual-Supply, 180MHz, 16-Bit Accurate, Ultra-Low Distortion Op Amps
General Description
The MAX4430/MAX4431 single and MAX4432/MAX4433 dual operational amplifiers feature wide bandwidth, 16bit settling times in 37ns, and low-noise/low-distortion operation. The MAX4430/MAX4432 are compensated for unity gain stability and have a small signal -3dB bandwidth of 180MHz. The MAX4431/MAX4433 are compensated for closed-loop gains of +2 or greater and have a small-signal -3dB bandwidth of 215MHz. The MAX4430-MAX4433 op amps require only 11mA of supply current per amplifier while achieving 125dB openloop gain. Voltage noise density is a low 2.8nV/Hz, and provides 100dB spurious-free dynamic range (SFDR) at 1MHz. These characteristics make these op amps ideal for driving modern high-speed 14- and 16bit analog-to-digital converters (ADCs). These high-speed op amps feature wide output voltage swings capable of driving ADCs with 4V input dynamic range and a high current output drive up to 60mA. Using a voltage feedback architecture, the MAX4430- MAX4433 meet the requirements of many applications that previously depended on current feedback amplifiers. The MAX4430/MAX4431 are available in a space-saving 5-pin SOT23 package, and the MAX4432/MAX4433 are available in an 8-pin MAX package.
PART
____________________________Features
o 16-Bit Accurate Settling in 37ns (MAX4430/MAX4432) o 100dB SFDR at 1MHz, 4Vp-p Output o 2.8nV/Hz Input Voltage Noise Density o 110dB (min) Open-Loop Gain o 145V/s Slew Rate (MAX4431/MAX4433) o 60mA High Output Drive o Wide Voltage Swing Capable of Driving ADC Inputs with 4Vp-p Input Dynamic Range o Available in Space-Saving Packages 5-pin SOT23 (MAX4430/MAX4431) 8-pin MAX (MAX4432/MAX4433)
MAX4430-MAX4433
Ordering Information
PART MAX4430EUK-T MAX4430ESA TEMP. RANGE -40oC to +85oC -40oC to +85oC PIN-PACKAGE 5 SOT23-5 8 SO
Ordering Information continued at end of data sheet.
Selector Guide
MIN GAIN AMPS STABLE (V/V) 1 1 2 2 +1 +2 +1 +2 BW (MHz) 180 215 180 215 SETTLING TIME TO 0.0015% (ns) 37 63 37 63
________________________Applications
High-Speed 14- and 16-Bit ADC Preamplifiers Low-Noise Preamplifiers IF/RF Amplifiers Low-Distortion Active Filters High-Performance Receivers Precision Instrumentation
MAX4430 MAX4431 MAX4432 MAX4433
Typical Operating Circuit
VCC C1
Pin Configurations
TOP VIEW
MAX4430 MAX4431
OUT VEE IN+ 1 2 3 4 ININ 3
MAX4430 MAX4431
HIGH-SPEED 14-/16-BIT ADC
5
VCC
1 2 4 5
SOT23-5 Pin Configurations continued at end of data sheet.
C2 VEE
________________________________________________________________ Maxim Integrated Products
1
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Dual-Supply, 180MHz, 16-Bit Accurate, Ultra-Low Distortion Op Amps MAX4430-MAX4433
ABSOLUTE MAXIMUM RATINGS
Supply Voltage (VCC to VEE)................................................+12V Differential Input Voltage .......................................................+2V Input Voltage Range ........................(VCC + 0.3V) to (VEE - 0.3V) Output Short-Circuit Duration to VCC or VEE ...................(Note 1) Current Into Any Input Pin ................................................25mA Continuous Power Dissipation (TA = +70C) 5-Pin SOT23 (derate 7.1mW/C above +70C)............571mW 8-Pin MAX (derate 4.5mW/C above +70C) .............330mW 8-Pin SO (derate 5.88mW/C above +70C)................471mW Operating Temperature Range ...........................-40C to +85C Junction Temperature ......................................................+150C Storage Temperature Range .............................-65C to +150C Lead Temperature (soldering, 10s) .................................+300C
Note 1: The MAX4430-MAX4433 are not protected for output short-circuit conditions.
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
(VCC = +5V, VEE = -5V, RL = , VCM = 0, and TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25C.) (Note 2)
PARAMETER Input Common-Mode Voltage Range Input Offset Voltage Input Offset Voltage Temperature Coefficient Input Offset Voltage Matching Input Bias Current Input Offset Current Input Resistance Common-Mode Rejection Ratio IB IOS RIN CMRR Differential (-10mV VIN +10mV) Common mode (VEE + 2.5V VCM VCC - 0.9V) VEE + 2.5V VCM VCC - 0.9V VEE + 2.5 VOUT VCC - 0.9V; RL = 10k to ground Open-Loop Gain AVOL VEE + 2.5 VOUT VCC - 0.9V; RL = 500 to ground RL = 10k to ground Output Voltage Swing VOUT RL = 500 to ground Output Current Output Short-Circuit Current Power-Supply Rejection Ratio Operating Supply Voltage Range Quiescent Supply Current (per amplifier) IOUT ISC PSRRPSRR+ VS IS RL = 20 to ground Sinking or sourcing VEE = -5.5V to -4.5V VCC = +4.5V to +5.5V Guaranteed by PSRR test 75 4.5 11 100 115 110 VEE + 2.5 VEE + 2.6 30 60 100 95 5.5 13.5 SYMBOL VCM VOS TCVOS MAX4432/MAX4433 CONDITIONS Guaranteed by CMRR test MIN VEE + 2.5 1.25 7 0.25 11 0.35 12k 1M 120 125 dB 125 VCC 0.25 V VCC 0.6 mA mA dB V mA 30 5 TYP MAX VCC 0.9 5 UNITS V mV V / C mV A A dB
2
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Dual-Supply, 180MHz, 16-Bit Accurate, Ultra-Low Distortion Op Amps
AC ELECTRICAL CHARACTERISTICS
(VCC = +5V, VEE = -5V, RL = 500, VCM = 0, AVCL = +1, TA = +25C, unless otherwise noted.)
PARAMETER SYMBOL CONDITIONS VOUT = 100mVp-p, MAX4430/MAX4432 Small-Signal -3dB Bandwidth BWSS VOUT = 100mVp-p, MAX4431/MAX4433 (AVCL = +2) VOUT = 1Vp-p, MAX4430/MAX4432 VOUT = 2Vp-p, MAX4430/MAX4432 Large-Signal -3dB Bandwidth BWLS VOUT = 2Vp-p, MAX4431/MAX4433 (AVCL = +2) VOUT = 4Vp-p, MAX4431/MAX4433 (AVCL = +2) VOUT = 100mVp-p, MAX4430/MAX4432 Bandwidth for 0.1dB Flatness BW0.1dB VOUT = 100mVp-p, MAX4431/MAX4433 (AVCL = +2) VOUT = 2V step, MAX4430/MAX4432 Slew Rate SR VOUT = 2V step, MAX4431/MAX4433 (AVCL = +2) Rise/Fall Time tR, tF VOUT = 2V step VOUT = 4V step VOUT = 0 to 2V step, MAX4430/MAX4432 VOUT = 0 to 2V step, MAX4431/MAX4433 (AVCL = +2) VOUT = 0 to 4V step, MAX4430/MAX4432 VOUT = 0 to 4V step, MAX4431/MAX4433 (AVCL = +2) 145 20 40 37 63 ns 56 140 ns MIN TYP 180 MHz 215 45 32 MHz 40 20 12 MHz 80 100 V/s MAX UNITS
MAX4430-MAX4433
Settling Time to 16 Bit (0.0015%)
tS
_______________________________________________________________________________________
3
Dual-Supply, 180MHz, 16-Bit Accurate, Ultra-Low Distortion Op Amps MAX4430-MAX4433
AC ELECTRICAL CHARACTERISTICS (continued)
(VCC = +5V, VEE = -5V, RL = 500, VCM = 0, AVCL = +1, TA = +25C, unless otherwise noted.)
PARAMETER Output "Glitch" Settling to 16-Bit (0.0015%) Output Overload Recovery Time AC Common-Mode Rejection Ratio AC Power-Supply Rejection Ratio SYMBOL CONDITIONS 5pF load; CL charged from 0 to 4V 50% overdrive, settling to 10% accuracy f = 100kHz f = 100kHz VOUT = 2Vp-p centered at 0V, fC = 100kHz VOUT = 2Vp-p centered at 0V, fC = 1MHz VOUT = 4Vp-p centered at 0V, fC = 100kHz VOUT = 4Vp-p centered at 0V, fC = 1MHz Spurious-Free Dynamic Range VOUT = 2Vp-p centered at 1V, fC = 100kHz VOUT = 2Vp-p centered at 1V, fC = 1MHz VOUT = 4Vp-p centered at 2V, fC = 100kHz VOUT = 4Vp-p centered at 2V, fC = 1MHz VOUT = 4Vp-p centered at 2V, fC = 1MHz (RL = 1k) VOUT = 4Vp-p centered at 2V, fC = 1MHz (RL = 10k) Input Noise Voltage Density Input Noise Current Density Input Capacitance Maximum Capacitive Load Without Sustained Oscillations Output Impedance Crosstalk ZOUT f = 1MHz MAX4432/MAX4433 fC = 1MHz en in CIN f = 100kHz f = 100kHz MIN TYP 24 95 -84 -77 -110 -105 -105 -103 -112 dBc -107 -106 -100 -99 -100 2.8 1.8 2.5 47 0.2 -125 nV/Hz pA/Hz pF pF dB MAX UNITS ns ns dB dB
SFDR
Note 2: All devices are 100% production tested at TA = +25C. All temperature limits are guaranteed by design.
4
_______________________________________________________________________________________
Dual-Supply, 180MHz, 16-Bit Accurate, Ultra-Low Distortion Op Amps
Typical Operating Characteristics
(VCC = +5V, VEE = -5V, RL = 500, CL = 0pF, TA = +25C, unless otherwise noted.)
MAX4430/MAX4432 SMALL-SIGNAL GAIN vs. FREQUENCY (AVCL = +1V/V)
MAX4430 toc01
MAX4430-MAX4433
MAX4431/MAX4433 SMALL-SIGNAL GAIN vs. FREQUENCY (AVCL = +2V/V)
MAX4430 toc02
MAX4430/MAX4432 GAIN FLATNESS vs. FREQUENCY (AVCL = +1V/V)
100mVp-p 0.8 0.6 0.4 GAIN (dB) 0.2 0 -0.2 -0.4 -0.6 -0.8 -1.0
MAX4430 toc03
4 3 2 1 GAIN (dB) 0 -1 -2 -3 -4 -5 -6
100mVp-p
4 3 2 1 GAIN (dB) 0 -1 -2 -3 -4 -5 -6
100mVp-p
1.0
1M
10M
100M
1G
1M
10M
100M
1G
1M
10M
100M
1G
FREQUENCY (Hz)
FREQUENCY (Hz)
FREQUENCY (Hz)
MAX4431/MAX4433 GAIN FLATNESS vs. FREQUENCY (AVCL = +2V/V)
MAX4430 toc04
MAX4430/MAX4432 LARGE-SIGNAL GAIN vs. FREQUENCY (AVCL = +1V/V)
MAX4430 toc05
MAX4431/MAX4433 LARGE-SIGNAL GAIN vs. FREQUENCY (AVCL = +2V/V)
1Vp-p 3 2 1 GAIN (dB) 0 -1 -2 -3 -4 -5 -6
MAX4430 toc06
0.5 0.4 0.3 0.2 GAIN (dB)
100mVp-p
4 3 2 1 GAIN (dB) 0 -1 -2 -3 -4 -5 -6
1Vp-p
4
0.1 0 -0.1 -0.2 -0.3 -0.4 -0.5 1M 10M 100M 1G FREQUENCY (Hz)
1M
10M
100M
1G
1M
10M
100M
1G
FREQUENCY (Hz)
FREQUENCY (Hz)
MAX4430/MAX4432 SMALL-SIGNAL PULSE RESPONSE
MAX4430 toc07
MAX4431/MAX4433 SMALL-SIGNAL PULSE RESPONSE
AVCL = +2V/V INPUT 25mV/div
MAX4430 toc08
MAX4430/MAX4432 LARGE-SIGNAL PULSE RESPONSE
AVCL = +1V/V INPUT 500mV/V
MAX4430 toc09
AVCL = +1V/V INPUT 50mV/div
OUTPUT 50mV/div
OUTPUT 50mV/div
OUTPUT 500mV/div
10ns/div
10ns/div
10ns/div
_______________________________________________________________________________________
5
Dual-Supply, 180MHz, 16-Bit Accurate, Ultra-Low Distortion Op Amps MAX4430-MAX4433
Typical Operating Characteristics (continued)
(VCC = +5V, VEE = -5V, RL = 500, CL = 0pF, TA = +25C, unless otherwise noted.)
MAX4431/MAX4433 LARGE-SIGNAL PULSE RESPONSE
MAX4430 toc10
MAX4430/MAX4432 SMALL-SIGNAL PULSE RESPONSE
MAX4430 toc11
MAX4431/MAX4433 SMALL-SIGNAL PULSE RESPONSE
AVCL = +1V/V CL = 15pF INPUT 25mV/div
MAX4430toc12 MAX4430 toc18 MAX4430 toc15
AVCL = +2V/V INPUT 250mV/div
AVCL = +1V/V CL = 10pF INPUT 50mV/V
OUTPUT 500mV/div
OUTPUT 50mV/div
OUTPUT 50mV/div
10ns/div
10ns/div
10ns/div
MAX4430/MAX4432 LARGE-SIGNAL PULSE RESPONSE
MAX4430 toc13
MAX4431/MAX4433 LARGE-SIGNAL PULSE RESPONSE
AVCL = +1V/V CL = 30pF INPUT 250mV/div
MAX4430 toc14
POWER-SUPPLY REJECTION RATIO vs. FREQUENCY
0 -10 POWER-SUPPLY REJECTION (dB) -20 -30 -40 -50 -60 -70 -80 -90
AVCL = +1V/V CL = 20pF INPUT 500mV/div
OUTPUT 500mV/div
OUTPUT 500mV/div
10ns/div
10ns/div
-100 0.1 1 10 100 FREQUENCY (MHz)
COMMON-MODE REJECTION RATIO vs. FREQUENCY
OUTPUT ISOLATION RESISTANCE () -10 COMMON-MODE REJECTION (dB) -20 -30 -40 -50 -60 -70 -80 -90 -100 0.1 1 10 100 FREQUENCY (MHz) 0 0
MAX4430 toc16
OUTPUT ISOLATION RESISTANCE vs. CAPACITIVE LOAD
MAX4430 toc17
CLOSED-LOOP OUTPUT IMPEDANCE vs. FREQUENCY
100
0
12 10 MAX4430 8 6 MAX4431 4 2
OUTPUT IMPEDANCE ()
10
1
0.1
0.01 25 50 75 100 125 150 175 200 0.1 1 10 FREQUENCY (MHz) 100 1000 CAPACITIVE LOAD (pF)
6
_______________________________________________________________________________________
Dual-Supply, 180MHz, 16-Bit Accurate, Ultra-Low Distortion Op Amps
Typical Operating Characteristics (continued)
(VCC = +5V, VEE = -5V, RL = 500, CL = 0pF, TA = +25C, unless otherwise noted.)
MAX4430 GAIN AND PHASE vs. FREQUENCY
120 80 40 GAIN (dB) 0 -40 -80 -120 -160 -200 0.1 1 10 FREQUENCY (MHz) 100 PHASE GAIN
MAX4430 toc19
MAX4430-MAX4433
HARMONIC DISTORTION vs. FREQUENCY
MAX4430 toc20
HARMONIC DISTORTION vs. OUTPUT SWING
0 -10 -20 -30 -40 -50 -60 -70 -80 -90 -100 -110 -120 -130 -140 0 f = 1MHz
MAX4430 toc21
AV = 1000
135 90 HARMONIC DISTORTION (dB) 45 PHASE () 0 -45 -90 -135 -180
-225 1000
0 -10 -20 -30 -40 -50 -60 -70 -80 -90 -100 -110 -120 -130 -140
VOUT = 2Vp-p
2ND HARMONIC
HARMONIC DISTORTION (dB)
2ND HARMONIC 3RD HARMONIC
3RD HARMONIC
0.1
1
10
100
1
2
3
4
5
6
FREQUENCY (MHz)
OUTPUT SWING (Vp-p)
HARMONIC DISTORTION vs. RESISTIVE LOAD
0 -10 -20 -30 -40 -50 -60 -70 -80 -90 -100 -110 -120 -130 -140 0 f = 1MHz
MAX4430 toc22
INPUT VOLTAGE NOISE vs. FREQUENCY
MAX4430 toc23
QUIESCENT CURRENT PER AMPLIFIER vs. TEMPERATURE
MAX4430 toc24
1000
12.0 11.5 QUIESCENT CURRENT (mA) 11.0 10.5 10.0 9.5
HARMONIC DISTORTION (dB)
VOLTAGE NOISE (nV/Hz)
100
2ND HARMONIC 3RD HARMONIC
10
1 200 400 600 800 1000 1 10 100 1k 10k 100k 1M 10M RESISTIVE LOAD () FREQUENCY (Hz)
9.0 -50 -25 0 25 50 75 100 TEMPERATURE (C)
INPUT BIAS CURRENT vs. TEMPERATURE
MAX4430 toc25
OFFSET VOLTAGE vs. TEMPERATURE
MAX4430 toc26
VOLTAGE SWING vs. TEMPERATURE
MAX4430 toc27
12.0 11.5 QUIESCENT CURRENT (A) 11.0 10.5 10.0 9.5 9.0 -50 -25 0 25 50 75
3.0 2.5 2.0 OFFSET VOLTAGE (mV) 1.5 1.0 0.5 0 -0.5 -1.0 -1.5 -2.0 -2.5 -3.0 VOSVOS+
3.0 2.5 VOLTAGE SWING (V) 2.0 1.5 1.0 0.5 0 FROM POSITIVE RAIL
FROM NEGATIVE RAIL
100
-50
-25
0
25
50
75
100
-50
-25
0
25
50
75
100
TEMPERATURE (C)
TEMPERATURE (C)
TEMPERATURE (C)
_______________________________________________________________________________________
7
Dual-Supply, 180MHz, 16-Bit Accurate, Ultra-Low Distortion Op Amps MAX4430-MAX4433
Typical Operating Characteristics (continued)
(VCC = +5V, VEE = -5V, RL = 500, CL = 0pF, TA = +25C, unless otherwise noted.)
VOLTAGE SWING vs. TEMPERATURE
RL = 10k
MAX4430 toc28
MAX4432/MAX4433 CROSSTALK vs. FREQUENCY
MAX4430 toc29
3.0 2.5 VOLTAGE SWING (V) 2.0
0 -20 -40 GAIN (dB)
FROM NEGATIVE RAIL 1.5 1.0 0.5 FROM POSITIVE RAIL 0 -50 -25 0 25 50 75 100 TEMPERATURE (C)
-60 -80
-100 -120 -140 0.1 1 10 FREQUENCY (MHz) 100 1000
Pin Description
PIN MAX4430/MAX4431 5 SOT23 1 2 3 4 5 -- PIN MAX4432/MAX4433 8 SO/8 MAX 1 2 3 4 5 6 7 8 OUTA INAINA+ VEE INB+ INBOUTB VCC Amplifier A Output Amplifier A Inverting Input Amplifier A Noninverting Input Negative Power Supply Amplifier B Noninverting Input Amplifier B Inverting Input Amplifier B Output Positive Power Supply NAME FUNCTION 8 SO 6 4 3 2 7 1, 5, 8 OUT VEE IN+ INVCC N.C. Output Negative Power Supply Noninverting Input Inverting Input Positive Power Supply No Connection. Not internally connected. NAME FUNCTION
8
_______________________________________________________________________________________
Dual-Supply, 180MHz, 16-Bit Accurate, Ultra-Low Distortion Op Amps
Detailed Description
The MAX4430-MAX4433 are wide-bandwidth, ultra-lowdistortion, voltage-feedback amplifiers. The MAX4430/ MAX4432 are internally compensated for unity gain. The MAX4431/MAX4433 are internally compensated for gains of +2V/V or greater. These amplifiers have ultra-fast 37ns (MAX4430/ MAX4432) 16-bit settling times, 100dB SFDR at 1MHz, and 4Vp-p output swing with minimum 110dB openloop gain. and 2 for the MAX4431/MAX4433. Use care in selecting the value for the resistor marked RS in both circuits. From dynamic stability considerations (based on the part's frequency response and the input capacitance of the MAX4430-MAX4433), the maximum recommended value for RS is 500. In general, lower RS values will yield a higher bandwidth and better dynamic stability, at the cost of higher power consumption, higher power dissipation in the IC, and reduced output drive availability. For a minimum RS value, take into consideration that the current indicated as IF is supplied by the output stage and must be discounted from the maximum output current to calculate the maximum current available to the load. IF can be found using the following equation: IF = VIN(MAX) / RS If DC thermal stability is an important design concern, the Thevenin resistance seen by both inputs at DC must be balanced. This includes the resistance of the signal source and termination resistors if the amplifier signal input is fed from a transmission line. The capacitance associated with the feedback resistors must also be considered as a possible limitation to the available bandwidth or to the dynamic stability. Only resistors with small parallel capacitance specifications should be considered.
MAX4430-MAX4433
High-Speed ADC Input Driver Application
The MAX4430-MAX4433 op amps are ideal for driving high-speed 14- to 16-bit ADCs. In most cases, these ADCs operate with a charge balance scheme, with capacitive loads internally switched on and off from the input. The driver used must withstand these changing capacitive loads while holding the signal amplitude stability consistent with the ADC's resolution and, at the same time, have a frequency response compatible with the sampling speed of the ADC (Figure 1).
Inverting and Noninverting Configurations
The circuits typically used for the inverting and noninverting configurations of the MAX4430-MAX4433 are shown in Figures 2a and 2b. The minimum unconditionally stable gain values are 1 for the MAX4430/MAX4432
Applications Information
Layout and Power-Supply Bypassing
+VCC HIGH-SPEED 14/16-BIT ADC -VEE
Figure 1. Typical Application Circuit
The MAX4430-MAX4433 have wide bandwidth and consequently require careful board layout. To realize the full AC performance of these high-speed amplifiers, pay careful attention to power-supply bypassing and board layout. The PC board should have a large lowimpedance ground plane that is as free of voids as possible. Do not use commercial breadboards. Keep signal lines as short and straight as possible. Observe high-frequency bypassing techniques to maintain the
RF
VIN RS VOUT IF V R A = 1 + F = OUT VIN RS VIN IF VOUT A= RS RF RB V - RF = OUT VIN RS
Figure 2a. Noninverting Configuration
Figure 2b. Inverting Configuration
_______________________________________________________________________________________
9
Dual-Supply, 180MHz, 16-Bit Accurate, Ultra-Low Distortion Op Amps MAX4430-MAX4433
Ordering Information (continued)
PART MAX4431EUK-T MAX4431ESA
RISO VOUT VIN CL RL
TEMP. RANGE -40 C to +85 C -40oC to +85oC -40oC to +85oC -40 C to +85 C -40oC to +85oC -40oC to +85oC
o o o o
PIN-PACKAGE 5 SOT23-5 8 SO 8 MAX 8 SO 8 MAX 8 SO
MAX4432EUA MAX4432ESA MAX4433EUA MAX4433ESA
Pin Configurations (continued)
MAX4430
TOP VIEW N.C. 1 2 3 4 8 7 6 5 N.C. VCC OUT N.C.
MAX4430 MAX4431
Figure 3. Capacitive-Load Driving Circuit
ININ+
amplifier's accuracy and stability. In general, use surface-mount components since they have shorter bodies and lower parasitic reactance. This will result in improved performance over through-hole components. The bypass capacitors should include 1nF and/or 0.1F surface-mount ceramic capacitors between each supply pin and the ground plane, located as close to the package as possible. Place a 10F tantalum capacitor at the power supply's point of entry to the PC board to ensure the integrity of the incoming supplies. Input termination resistors and output back-termination resistors, if used, should be surface-mount types and should be placed as close to the IC pins as possible.
VEE
SO MAX4432 MAX4433
OUTA INAINA+ VEE
1 2 3 4
8 7 6 5
VCC
OUTB INBINB+
MAX/SO
Driving Capacitive Loads
MAX4430-MAX4433 can drive capacitive loads. However, excessive capacitive loads may cause ringing or instability at the output as phase margin is reduced. Adding a small isolation resistor in series with the output capacitive load helps reduce the ringing but slightly increases gain error (see Typical Operating Characteristics and Figure 3).
Chip Information
TRANSISTOR COUNT: MAX4430/MAX4431: 103 MAX4432/MAX4433: 248
10
______________________________________________________________________________________
Dual-Supply, 180MHz, 16-Bit Accurate, Ultra-Low Distortion Op Amps
Package Information
SOT5L.EPS
MAX4430-MAX4433
______________________________________________________________________________________
8LUMAXD.EPS
11
Dual-Supply, 180MHz, 16-Bit Accurate, Ultra-Low Distortion Op Amps MAX4430-MAX4433
Package Information (continued)
SOICN.EPS
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.
12 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 (c) 2000 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products.


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