19-4904; Rev 1; 12/10
3V Video Amplifier with
Internal Gain and Filter in SC70
General Description
The MAX9680 high-speed amplifier and filter is opti-
mized for portable video applications. It is specifi-
cally designed to be compatible with the video encoders
Features
S 5.2V/V Internal Gain
S 2-Pole Reconstruction Filter
S Input Range Includes Ground
S DC-Coupled Inputs and Outputs
S Rail-to-Rail Output
embedded in application processors with 0.4V
video
P-P
output. The input common-mode range includes GND,
which allows a video DAC (digital-to-analog converter)
to be DC-coupled to the MAX9680.
S 3.7mA Low Quiescent Current
S 0.4µA Shutdown Current
The output swings within 2mV of GND and 20mV to V
DD
with a standard back-terminated video load (150I). An
internal level shift circuit prevents the output from satu-
rating with 0V input, thus preventing sync-pulse clipping
in common video circuits. Therefore, the MAX9680 is
ideally suited for DC-coupling to the video load.
Ordering Information
TEMP
RANGE
PIN-
TOP
PART
The MAX9680 has been optimized for space-sensitive
applications by integrating internal gain setting resistors
(G = 5.2V/V) and a 2-pole video-DAC reconstruction filter.
PACKAGE
MARK
MAX9680AXT+T -40NC to +125NC
6 SC70
ADT
+Denotes a lead(Pb)-free/RoHS-compliant package.
T = Tape and reel.
In shutdown mode, the quiescent current is reduced to
less than 0.4FA, dramatically reducing power consump-
tion and prolonging battery life.
Typical Application Circuit appears at end of data sheet.
The MAX9680 is available in the tiny 2mm x 2.1mm,
6-pin, SC70 package.
Applications
Mobile Phones
Block Diagram
Digital Still Cameras
V
DD
Digital Video Cameras
IN
Pin Configuration
LPF
BUFFER
OUT
R
IN
RSET
MAX9680
TOP VIEW
R
SET
+
G = 5.2V/V
IN
GND
RSET
6
5
4
1
2
3
V
DD
ENABLE
SHUTDOWN
CONTROL
ENABLE
OUT
MAX9680
SC70
GND
_______________________________________________________________ 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.