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PDF MAX4189 Data sheet ( Hoja de datos )
| Número de pieza | MAX4189 | |
| Descripción | Single/Triple / Low-Glitch / 250MHz / Current- Feedback Amplifiers with High-Speed Disable | |
| Fabricantes | Maxim Integrated | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de MAX4189 (archivo pdf) en la parte inferior de esta página. Total 20 Páginas | ||
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19-1369; Rev 0; 7/98
EVAALVUAAILTAIOBNLEKIT
Single/Triple, Low-Glitch, 250MHz, Current-
Feedback Amplifiers with High-Speed Disable
General Description
The MAX4188/MAX4189/MAX4190 are low-power,
current-feedback video amplifiers featuring fast dis-
able/enable times and low switching transients. The
triple MAX4188 and the single MAX4190 are optimized
for applications with closed-loop gains of +2V/V (6dB)
or greater and provide a -3dB bandwidth of 200MHz
and 185MHz, respectively. The triple MAX4189 is opti-
mized for closed-loop applications with gains of +1V/V
(0dB) or greater and provides a 250MHz -3dB band-
width. These amplifiers feature 0.1dB gain flatness up to
80MHz with differential gain and phase errors of 0.03%
and 0.05°. These features make the MAX4188 family
ideal for video applications.
The MAX4188/MAX4189/MAX4190 operate from a +5V
single supply or from ±2.25V to ±5.5V dual supplies.
These amplifiers consume only 1.5mA per amplifier and
are capable of delivering ±55mA of output current, making
them ideal for portable and battery-powered equipment.
The MAX4188/MAX4189/MAX4190 have a high-speed
disable/enable mode that isolates the inputs, places the
outputs in a high-impedance state, and reduces the
supply current to 450µA per amplifier. Each amplifier
can be disabled independently. High off isolation, low
switching transient, and fast enable/disable times
(120ns/35ns) allow these amplifiers to be used in a
wide range of multiplexer applications. A settling time
of 22ns to 0.1%, a slew rate of up to 350V/µs, and low
distortion make these devices useful in many general-
purpose, high-speed applications.
The MAX4188/MAX4189 are available in a tiny 16-pin
QSOP package, and the MAX4190 is available in a
space-saving 8-pin µMAX package.
Applications
High-Definition Surveillance Video
High-Speed Switching/Multiplexing
Portable/Battery-Powered Video/Multimedia
Systems
High-Speed Analog-to-Digital Buffers
Medical Imaging
High-Speed Signal Processing
Professional Cameras
CCD Imaging Systems
RGB Distribution Amplifiers
Pin Configuration appears at end of data sheet.
Features
o Low Supply Current: 1.5mA per Amplifier
o Fast Enable/Disable Times: 120ns/35ns
o Very Low Switching Transient: 45mVp-p
o High Speed
200MHz -3dB Small-Signal Bandwidth
(MAX4188, AVCL ≥ +2)
250MHz -3dB Small-Signal Bandwidth
(MAX4189, AVCL ≥ +1)
185MHz -3dB Small-Signal Bandwidth
(MAX4190, AVCL ≥ +2)
o High Slew Rate
350V/µs (MAX4188, AVCL ≥ +2)
175V/µs (MAX4189, AVCL ≥ +1)
o Excellent Video Specifications
85MHz -0.1dB Gain Flatness (MAX4190)
30MHz -0.1dB Gain Flatness (MAX4189)
Differential Gain/Phase Errors
0.03%/0.05° (MAX4188)
o Low-Power Disable Mode
Inputs Isolated, Outputs Placed in High-Z
Supply Current Reduced to 450µA per Amplifier
o Fast Settling Time of 22ns to 0.1%
o Low Distortion
70dB SFDR (fc = 5MHz, VO = 2Vp-p, MAX4188)
o Available in Space-Saving Packages
16-Pin QSOP (MAX4188/MAX4189)
8-Pin µMAX (MAX4190)
Ordering Information
PART
TEMP. RANGE PIN-PACKAGE
MAX4188ESD
-40°C to +85°C 14 SO
MAX4188EEE
-40°C to +85°C 16 QSOP
Ordering Information continued at end of data sheet.
Selector Guide
PART
OPTIMIZED AMPLIFIERS
FOR:
PER PKG.
MAX4188 AV ≥ +2V/V
3
MAX4189 AV ≥ +1V/V
MAX4190 AV ≥ +2V/V
3
1
PIN-PACKAGE
14-pin SO,
16-pin QSOP
14-pin SO,
16-pin QSOP
8-pin µMAX/SO
________________________________________________________________ Maxim Integrated Products 1
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.
For small orders, phone 408-737-7600 ext. 3468.
1 page  
Single/Triple, Low-Glitch, 250MHz, Current-
Feedback Amplifiers with High-Speed Disable
AC ELECTRICAL CHARACTERISTICS—Dual Supplies (MAX4189)
(VCC = +5V, VEE = -5V, VIN = 0, DISABLE_ ≥ 3V, AV = +1V/V, RF = 1600Ω for RL = 1kΩ and RF = 1100Ω for RL = 150Ω; TA = +25°C,
unless otherwise noted.)
PARAMETER
Small-Signal -3dB Bandwidth
Peaking
Bandwidth for 0.1dB Flatness
Large-Signal -3dB Bandwidth
Slew Rate
Settling Time to 0.1%
Rise/Fall Time
Spurious-Free Dynamic Range
Second Harmonic Distortion
Third Harmonic Distortion
Differential Phase Error
Differential Gain Error
Input Noise Voltage Density
Input Noise Current Density
Output Impedance
Crosstalk
All Hostile Off Isolation
Gain Matching to 0.1dB
SYMBOL
BW-3dB
BW0.1dB
BWLS
SR
tS
SFDR
DP
DG
en
in
ZOUT
CONDITIONS
RL = 1kΩ
RL = 150Ω
RL = 1kΩ
RL = 150Ω
RL = 1kΩ
RL = 150Ω
VOUT = 2Vp-p
RL = 1kΩ
RL = 150Ω
VOUT = 4V step,
RL = 150Ω
Positive slew
Negative slew
VOUT = 4V step
VOUT = 4V step
Rise time
Fall time
fC = 5MHz,
VOUT = 2Vp-p
RL = 1kΩ
RL = 150Ω
fC = 5MHz,
VOUT = 2Vp-p
RL = 1kΩ
RL = 150Ω
fC = 5MHz,
VOUT = 2Vp-p
RL = 1kΩ
RL = 150Ω
NTSC
RL = 1kΩ
RL = 150Ω
NTSC
RL = 1kΩ
RL = 150Ω
f = 10kHz
f = 10kHz
Positive input
Negative input
f = 10MHz
f = 10MHz, input referred
f = 10MHz, input referred
MIN TYP MAX UNITS
250
MHz
210
1.4
dB
0.15
7
MHz
30
60
MHz
55
175 V/µs
V/µs
150
28 ns
20
ns
22
65
dB
51
-65
dBc
-63
-70
dBc
-51
0.02
degrees
0.66
0.07
%
0.18
2 nV/√Hz
4 pA/√Hz
5
4Ω
-57 dB
-55 dB
24 MHz
Amplifier Enable Time
tON
Delay from DISABLE to 90% of VOUT,
VIN = 0.5V
120 ns
Amplifier Disable Time
Disable/Enable Switching
Transient
tOFF
Delay from DISABLE to 10% of VOUT,
VIN = 0.5V
Positive transient
Negative transient
40 ns
70
mV
110
_______________________________________________________________________________________ 5
5 Page 
Single/Triple, Low-Glitch, 250MHz, Current-
Feedback Amplifiers with High-Speed Disable
____________________________________Typical Operating Characteristics (continued)
(VCC = +5V, VEE = -5V, TA = +25°C, unless otherwise noted.)
MAX4189 LARGE-SIGNAL GAIN
vs. FREQUENCY (DUAL SUPPLIES)
4
3
2
1
RF = 1.6kΩ
RL = 1kΩ
0
-1 RF = 1.1kΩ
-2 RL = 150Ω
-3
-4
-5
-6
1
VIN = 2Vp-p
AV = 1V/V
10 100
FREQUENCY (MHz)
1000
MAX4188 HARMONIC DISTORTION
vs. FREQUENCY (DUAL SUPPLIES)
0
VOUT = 2Vp-p
-10
-20
-30
-40
3RD (RL = 150Ω)
-50
-60 2ND (RL = 150Ω)
-70
-80
-90
-100
0.1
3RD (RL = 1kΩ)
2ND (RL = 1kΩ)
1 10
FREQUENCY (MHz)
100
MAX4189 HARMONIC DISTORTION
vs. FREQUENCY (DUAL SUPPLIES)
0
-10 VOUT = 2Vp-p
-20
-30
-40 3RD (RL = 150Ω)
-50
2ND (RL = 150Ω)
-60
-70
-80
-90
-100
0.1
2ND (RL = 1kΩ)
3RD (RL = 1kΩ)
1 10
FREQUENCY (MHz)
100
MAX4189 LARGE-SIGNAL GAIN
vs. FREQUENCY (SINGLE SUPPLY)
4
3 RF = 1.5kΩ
2 RL = 1kΩ
1
0
-1 RF = 1.6kΩ
-2 RL = 150Ω
-3
-4
-5
-6
1
VEE = 0
VIN = 2Vp-p
AV = +1V/V
10 100
FREQUENCY (MHz)
1000
MAX4188 HARMONIC DISTORTION
vs. FREQUENCY (SINGLE SUPPLY)
0
-10 VOUT = 2Vp-p
-20
-30
-40 3RD (RL = 150Ω)
-50
-60 2ND (RL = 150Ω)
-70
-80 2ND (RL = 1kΩ)
-90
-100
0.1
3RD (RL = 1kΩ)
1 10
FREQUENCY (MHz)
100
MAX4189 HARMONIC DISTORTION
vs. FREQUENCY (SINGLE SUPPLY)
0
VOUT = 2Vp-p
-10
-20
-30
-40 3RD (RL = 150Ω)
-50 2ND (RL = 150Ω)
-60
-70
2ND (RL = 1kΩ)
-80
-90 3RD (RL = 1kΩ)
-100
0.1
1 10
FREQUENCY (MHz)
100
2.5
2.0
1.5
1.0
0.5
0
-0.5
-1.0
-1.5
-2.0
-2.5
1
MAX4189 SMALL-SIGNAL GAIN
MATCHING vs. FREQUENCY
CH_1–CH_3
CH_1–CH_2
VIN = 2Vp-p
RF = 1.6kΩ
RL = 1kΩ
AV = +1V/V
CH_3–CH_2
10 100
FREQUENCY (MHz)
1000
MAX4188 CROSSTALK vs.
FREQUENCY (DUAL SUPPLIES)
0
VOUT = 2Vp-p
-10 RL = 150Ω
-20
-30
-40
-50
-60
-70
-80
1
10 100
FREQUENCY (MHz)
1000
MAX4189 CROSSTALK vs.
FREQUENCY (DUAL SUPPLIES)
0
VOUT = 2Vp-p
-10 RL = 150Ω
-20
-30
-40
-50
-60
-70
-80
1
10 100
FREQUENCY (MHz)
1000
______________________________________________________________________________________ 11
11 Page | ||
| Páginas | Total 20 Páginas | |
| PDF Descargar | [ Datasheet MAX4189.PDF ] | |
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