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PDF MAX9507 Data sheet ( Hoja de datos )
| Número de pieza | MAX9507 | |
| Descripción | 1.8V DirectDrive Video Filter Amplifier | |
| Fabricantes | Maxim Integrated Products | |
| Logotipo |  |
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19-1028; Rev 0; 11/07
EVAALVUAAILTAIOBNLEKIT
1.8V DirectDrive Video Filter Amplifier with
Load Detection and Dual SPST Analog Switches
www.datasheet4u.com
General Description
The MAX9507 amplifies and filters standard-definition
video signals and only consumes 5.8mW quiescent
power and 11.7mW average power. The MAX9507
leverages Maxim’s DirectDrive™ technology to gener-
ate a clean, internal negative supply. Combining the
internal negative power supply with the external posi-
tive 1.8V supply, the MAX9507 is able to drive a 2VP-P
video signal into a 150Ω load.
The MAX9507 provides an I2C interface for easy configu-
ration and access to the load status. The MAX9507 can
detect, report, and act upon the change of a video load.
This feature helps reduce overall power consumption by
allowing the system to turn on the video encoder and dri-
ver only when a video load is connected to the MAX9507.
With a high power-supply rejection ratio (47dB at
100kHz), the MAX9507 can be powered directly from a
1.8V digital supply. The two integrated single-pole/sin-
gle-throw (SPST) analog switches are ideal for routing
audio, video, or digital signals.
The input of the MAX9507 can be directly connected to
the output of a video DAC. The MAX9507 also features
a transparent input sync-tip clamp, allowing AC-cou-
pling of input signals with different DC biases.
The MAX9507 has an internal fixed gain of 8. The input
full-scale video signal is nominally 0.25VP-P, and the
output full-scale video signal is nominally 2VP-P.
Features
o 1.8V or 2.5V Single-Supply Operation
o Low Power Consumption (5.8mW Quiescent,
11.7mW Average)
o Video Load Detection
o DirectDrive Sets Video Output Black Level Near
Ground
o Dual SPST Analog Switches
o Transparent Input Sync-Tip Clamp
o I2C Control
Applications
Mobile Phones
Portable Media Players (PMP)
Ordering Information
PART
PIN-PACKAGE
PKG CODE
TOP
MARK
MAX9507ATE+ 16 TQFN-EP*
T1633+4
AFH
Note: This device is specified over the -40°C to +125°C operat-
ing temperature range.
+Denotes lead-free package.
*EP = Exposed pad.
Pin Configuration appears at end of data sheet.
Block Diagram
250mVP-P VIDEO
MAX9507
IN
LPF
TRANSPARENT
CLAMP
LCF
NO1
NO2
I2C
LOAD DETECT
AV =
8V/V
LINEAR
REGULATOR
CHARGE
PUMP
OUT
2VP-P VIDEO
0V
COM1
COM2
________________________________________________________________ Maxim Integrated Products 1
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.
1 page  
1.8V DirectDrive Video Filter Amplifier with
Load Detection and Dual SPST Analog Switches
www.daEtasLhEeeCt4uT.cRomICAL CHARACTERISTICS (continued)
(VDD = +1.8V, GND = 0V, OUT has RL = 150Ω connected to GND, transparent sync-tip clamp enabled, C1 = C2 = 1µF, TA = TMIN to
TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
COM_ On-Leakage Current,
Extended Range
ICOM_(ON)E
VDD = 2.625V, VNO_ = high-Z,
VCOM_ = -0.6V, +2.3V; TA = +25°C (Notes 3, 5)
-100
+100
nA
Turn-On Time
tON
VNO_ = 0.9V, RL = 300Ω, CL = 35pF,
Figure 1 (Note 6)
310 ns
Turn-Off Time
tOFF
VNO_ = 0.9V, RL = 300Ω, CL = 35pF,
Figure 1 (Note 6)
372 ns
Charge Injection
Off-Isolation
On-Channel -3dB Bandwidth
Total Harmonic Distortion
Charge-Pump Noise
NO_ Off-Capacitance
Switch On-Capacitance
CROSSTALK
Q
VISO
BW
THD
COFF
CON
VGEN = 0.9V, RGEN = 0Ω, CL = 1nF,
Figure 2
VNO_ = 1VP-P, RL = 50Ω,
CL = 5pF, Figure 1
f = 10MHz
f = 1MHz
VNO_ = 0dBm, RSOURCE = 50Ω, RL = 50Ω,
CL = 5pF, Figure 1
VCOM_ = 1VP-P, RL = 600Ω
Extended range, RL = 50Ω
f = 1MHz
f = 1MHz
60
49
69
280
0.037
1.2
21
53
pC
dB
MHz
%
mVP-P
pF
pF
Switch to Switch
Switch 1, 2 closed;
VNO_ = 1VP-P, RL = 50Ω,
CL = 5pF, Figure 1
f = 10MHz
f = 1MHz
-71
dB
-88
NO_ to OUT
Switch 1, 2 open; video
circuitry enabled,
VNO_ = 1VP-P
f = 10MHz
f = 1MHz
-44
dB
-78
OUT to NO_
Switch 1, 2 closed; video circuitry enabled,
f = 20kHz, OUT = 2VP-P, RL = 50Ω,
CL = 5pF
-94
IN to COM_
Switch 1, 2 closed; video circuitry disabled,
f = 20kHz, IN = 0.25VP-P, RL = 600Ω
-89
OUT to COM_
Switch 1, 2 closed; video circuitry enabled,
f = 20kHz, OUT = 2VP-P, RL = 50Ω,
CL = 5pF
-94
CMOS DIGITAL INPUTS (SDA, SCL, DEV_ADDR)
Input Low Voltage
VIL
0.3 x
VDD
Input High Voltage
Input Hysteresis
Input Leakage Current
Input Capacitance
VIH
IIL, IIH
CIN
0.7 x
VDD
275
-10 +10
15
dB
dB
dB
V
V
mV
µA
pF
_______________________________________________________________________________________ 5
5 Page 
1.8V DirectDrive Video Filter Amplifier with
Load Detection and Dual SPST Analog Switches
www.datasheet4u.com
Typical Operating Characteristics (continued)
(VDD = +1.8V, GND = 0V, mode 2 (Table 6), video output has RL = 150Ω connected to GND, video filter enabled, TA = +25°C,
unless otherwise noted.)
ANALOG SWITCH LEAKAGE CURRENT
vs. TEMPERATURE (EXTENDED RANGE)
6
VDD = 2.625V
5
4
COMON
3
2
1 COMOFF
0
-1
-50 -25
0 25 50 75 100 125
TEMPERATURE (°C)
SWITCH CHARGE INJECTION
vs. VOLTAGE
500
CLOAD = 1nF
400
300 OPEN = 1
200
100
0
-1.0
OPEN = 0
-0.5 0 0.5 1.0 1.5
SWITCH INPUT VOLTAGE (V)
2.0
SWITCH FREQUENCY RESPONSE
5
0
-5
-10
-15
-20
-25 RL = 50Ω
CL = 5pF
-30
100k 1M
10M 100M
FREQUENCY (Hz)
1G
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
100k
SWITCH-ONLY SUPPLY CURRENT
vs. TEMPERATURE (NORMAL RANGE)
300
250
200
150
100
50
0
-50 -25
SPEN = 0
CPEN = 0
0 25 50 75 100 125
TEMPERATURE (°C)
SWITCH OFF-ISOLATION
vs. FREQUENCY
1M 10M 100M
FREQUENCY (Hz)
1G
SWITCH-TO-SWITCH CROSSTALK
vs. FREQUENCY
0
-20
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY
0.1
VIN = 2VP-P
RLOAD = 600Ω
-40
-60
-80
-100
-120
100k
1M 10M
FREQUENCY (Hz)
100M
0.01
10
100 1k 10k
FREQUENCY (Hz)
100k
______________________________________________________________________________________ 11
11 Page | ||
| Páginas | Total 29 Páginas | |
| PDF Descargar | [ Datasheet MAX9507.PDF ] | |
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