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부품번호 | MAX4573 기능 |
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기능 | Serially Controlled / Clickless Audio/Video Switches | ||
제조업체 | Maxim Integrated | ||
로고 | |||
전체 16 페이지수
19-1404; Rev 1; 4/99
Serially Controlled, Clickless
Audio/Video Switches
General Description
The MAX4571–MAX4574 serial-interface controlled
switches are ideal for multimedia applications. Each
device features 35Ω max on-resistance, -90dB audio
off-isolation at 20kHz, -60dB video off-isolation at
1.0MHz, and “clickless” mode operation for audio
applications.
The MAX4571/MAX4573 contain eleven SPST switches,
while the MAX4572/MAX4574 contain two SPST switch-
es and six SPDT switches. The MAX4571/MAX4572 fea-
ture a 2-wire, I2C™-compatible serial interface. The
MAX4573/MAX4574 feature a 3-wire, SPI™/QSPI™/
MICROWIRE™-compatible serial interface. All four
parts are available in 28-pin QSOP, SSOP, and wide
SO packages and operate over the commercial and
extended temperature ranges.
Features
o Selectable Soft Switching Mode for “Clickless”
Audio Operation
o 35Ω max On-Resistance
o -90dB Audio Off-Isolation at 20kHz
-50dB Video Off-Isolation at 10MHz
o -90dB Audio Crosstalk at 20kHz
-52dB Video Crosstalk at 10MHz
o Serial Interface
2-Wire, Fast-Mode, I2C-Compatible (MAX4571/72)
3-Wire, SPI/QSPI/MICROWIRE-Compatible
(MAX4573/74)
o Single-Supply Operation from +2.7V to +5.25V
Set-Top Boxes
PC Multimedia Boards
Applications
Audio Systems
Video Conferencing Systems
Pin Configurations
TOP VIEW
MAX4571/MAX4573
NO1 1
COM1 2
NO2 3
COM2 4
NO3 5
COM3 6
NO4 7
COM4 8
NO5 9
COM5 10
NO6 11
COM6 12
NO7 13
COM7 14
28 V+
27 SDA (DOUT)
26 SCL (DIN)
25 A1 (SCLK)
24 A0 (CS)
23 GND
22 NO8
21 COM8
20 NO9
19 COM9
18 NO10
17 COM10
16 NO11
15 COM11
PART
MAX4571CEI
MAX4571CAI
MAX4571CWI
MAX4571EEI
MAX4571EAI
MAX4571EWI
MAX4572CEI
MAX4572CAI
MAX4572CWI
MAX4572EEI
MAX4572EAI
MAX4572EWI
MAX4573CEI
MAX4573CAI
MAX4573CWI
MAX4573EEI
MAX4573EAI
MAX4573EWI
MAX4574CEI
MAX4574CAI
MAX4574CWI
MAX4574EEI
MAX4574EAI
MAX4574EWI
Ordering Information
TEMP. RANGE
0°C to +70°C
0°C to +70°C
0°C to +70°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
PIN-PACKAGE
28 QSOP
28 SSOP
28 Wide SO
28 QSOP
28 SSOP
28 Wide SO
28 QSOP
28 SSOP
28 Wide SO
28 QSOP
28 SSOP
28 Wide SO
28 QSOP
28 SSOP
28 Wide SO
28 QSOP
28 SSOP
28 Wide SO
28 QSOP
28 SSOP
28 Wide SO
28 QSOP
28 SSOP
28 Wide SO
( ) ARE FOR MAX4573
QSOP/SSOP/SO
Pin Configurations continued at end of data sheet.
I2C is a trademark of Philips Corp.
SPI/QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corp.
________________________________________________________________ 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 1-800-835-8769.
Serially Controlled, Clickless
Audio/Video Switches
ELECTRICAL CHARACTERISTICS—Single +3V Supply (continued)
(V+ = +3V ±10%, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP
On-Resistance
Flatness (Note 5)
RFLAT
ICOM_ = 4mA;
V+ = 2.7V;
VNO_ _ = 1V, 5V, 2V
TA = +25°C
TA = TMIN to TMAX
4
NO_ _Off-Leakage
Current (Notes 6 and 10)
VNO_ _ = 3V, 0.5V;
INO_ _ (OFF) VCOM_ = 0.5V, 3V;
V+ = 3.6V
TA = +25°C
TA = TMIN to TMAX
-0.2 0.01
-10
COM_ Off-Leakage
Current (Notes 6 and 10)
VNO_ _ = 3V, 0.5V;
ICOM_ (OFF) VCOM_ = 0.5V, 3V;
V+ = 3.6V
TA = +25°C
TA = TMIN to TMAX
-0.2 0.01
-10
COM _ On-Leakage
Current (Notes 6 and 10)
ICOM_ (ON)
VCOM_ = 3V, 0.5V;
VNO_ _ = 3V, 0.5V,
or floating;
V+ = 3.6V
TA = +25°C
TA = TMIN to TMAX
AUDIO PERFORMANCE
Total Harmonic Distortion
plus Noise
THD+N
fIN = 1kHz, RL = 600Ω, VNO_ = 0.5VRMS,
VNO_ _ = 1.5V
Off-Isolation (Note 7)
VISO(A)
VNO_ _ = 0.5VRMS, fIN = 20kHz, RL = 600Ω,
Figure 1
Channel-to-Channel Crosstalk
VCT(A)
VNO_ _ = 0.5VRMS, fIN = 20kHz, RS = 600Ω,
Figure 1
VIDEO PERFORMANCE
Off-Isolation (Note 7)
VISO(V)
VNO_ _ = 0.5VRMS, fIN = 10MHz, RL = 50Ω,
Figure 1
Channel-to-Channel Crosstalk
VCT(V)
VNO_ _ = 0.5VRMS, fIN = 10MHz, RS = 50Ω,
Figure 1
-3dB Bandwidth
BW RSOURCE = 50Ω, RL = 50Ω, CL = 35pF
Off Capacitance
COFF(NO) fIN = 1MHz
DYNAMIC TIMING WITH CLICKLESS MODE DISABLED (Notes 8 and 12, Figure 2)
Turn-On Time
Turn-Off Time
Break-Before-Make Time
tONSD
tOFFSD
tBBM
VNO_ _ = 1.5V,
TA = +25°C
RL = 5kΩ, CL = 35pF TA = TMIN to TMAX
VNO_ _ = 1.5V,
TA = +25°C
RL = 300Ω, CL = 35pF TA = TMIN to TMAX
VNO_ _ = 1.5V, TA = TMIN to TMAX
DYNAMIC TIMING WITH CLICKLESS MODE ENABLED (Notes 8 and 12, Figure 2)
Turn-On Time
Turn-Off Time
tONSE
tOFFSE
VNO_ _ = 1.5V, RL = 5kΩ, CL = 35pF,
TA = +25°C
VNO_ _ = 1.5V, RL = 300Ω, CL = 35pF,
TA = +25°C
-0.2 0.01
-10
0.07
-90
-90
-50
-52
>150
9
300
100
10 200
8
3
MAX UNITS
10
Ω
10
0.2
nA
10
0.2
nA
10
0.2
nA
10
%
dB
dB
dB
dB
MHz
pF
900
1000
300
400
ns
ns
ns
ms
ms
4 _______________________________________________________________________________________
4페이지 Serially Controlled, Clickless
Audio/Video Switches
Typical Operating Characteristics (continued)
(V+ = 5V,TA = +25°C, unless otherwise noted.)
TOTAL HARMONIC DISTORTION + NOISE
vs. FREQUENCY
1
600Ω IN AND OUT
SIGNAL = 1VRMS
0.1
0.01
10
100 1000 10,000
FREQUENCY (Hz)
100,000
ON/OFF TIMES
(SOFT MODE)
AUDIO FREQUENCY RESPONSE
0
-20 600Ω IN AND OUT
-40
-60
-80
-100
-120
10
CROSSTALK
OFF-ISOLATION
100 1000 10,000
FREQUENCY (Hz)
100,000
VIDEO FREQUENCY RESPONSE
0
INSERTION-LOSS
-20
-40 OFF-ISOLATION
CROSSTALK
-60
-80
-100
0.1
50Ω IN AND OUT
1 10
FREQUENCY (MHz)
100
ON/OFF TIMES
(HARD MODE)
CS
5V/div
1V/div
1V/div
tON
tOFF
CS
5V/div
1V/div
1V/div
tON
tOFF
TIME (2ms/div)
SOFT MODE RISE TIME
TIME (50ns/div)
SOFT MODE FALL TIME
TIME (500µs/div)
TIME (500µs/div)
_______________________________________________________________________________________ 7
7페이지 | |||
구 성 | 총 16 페이지수 | ||
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DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |