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| 型號(hào)： | 5962-9318001MRX |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 多路復(fù)用及模擬開關(guān) |
| 英文描述： | QUAD 1-CHANNEL, SGL POLE DOUBLE THROW SWITCH, CDIP20 |
| 封裝： | CERAMIC, DIP-20 |
| 文件頁(yè)數(shù)： | 1/19頁(yè) |
| 文件大?。?/td> | 3138K |
| 代理商： | 5962-9318001MRX |
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Differential Input DirectDrive
Line Drivers/Headphone Amplifiers
MAX97220A–MAX97220E
EVALUATION KIT AVAILABLE
General Description
The MAX97220_ is a differential input DirectDrive line
driver/headphone amplifier. This device is capable of
driving line level loads with 3VRMS into 1kI with a 5V
supply and 2VRMS into 600I loads from a 3.3V supply. A
headphone load is capable of being driven with 125mW
into 32I with a 5V supply. The IC is offered with an inter-
nally fixed 6dB gain or an externally set gain through
external resistors. The external gain setting nodes can
also be used to configure filters for set-top box applica-
tions. The IC has exceptional THD+N over the full audio
bandwidth.
Two versions of the IC are available with different turn-
on times (tON). The A, C, and E versions for headphone
applications feature a tON of 5.5ms while the B and D
versions, intended for set-top-box applications, feature a
130ms tON. An on-chip charge pump inverts the power-
supply input, creating a negative rail. The output stage of
the amplifier is powered between the positive input sup-
ply and the output of the charge pump. The bipolar sup-
plies bias the output about ground, eliminating the need
for large, distortion-introducing output coupling capaci-
tors. The IC powers on and off without clicks or pops.
The IC is available in a 3mm x 3mm x 0.8mm, 16-pin
TQFN and is specified over the extended -40NC to +85NC
temperature range.
Applications
Simple Multimedia Interfaces
Set-Top Boxes
Blu-rayK and DVD Players
LCD Televisions
Prosumer Audio Devices
Features
S
Output Power 125mW into 32I with a 5V Supply
S
3VRMS Output Drive into 1kI with a 5V Supply
S
2VRMS Output Drive into 600I with a 3.3V Supply
S
Fully Differential Inputs
S
Fixed or Externally Adjustable Gain with No
Clicks or Pops
S
Wide 2.5V to 5.5V Operating Range
S
DirectDrive Outputs Eliminate DC-Blocking
Capacitors
S
Flat THD+N, Better Than 90dB in the Audio Band
S
18-Bit SNR Performance, 112dB
S
Footprint Compatible with the MAX9722
19-5611; Rev 2; 7/12
Note: All devices operate over the -40NC to +85NC temperature
range.
+Denotes a lead(Pb)-free/RoHS-compliant package.
*EP = Exposed pad.
Ordering Information
DirectDrive is a registered trademark of Maxim Integrated
Products, Inc.
Blu-ray is a trademark of the Blu-ray Disc Association.
Simplified Block Diagrams
Functional Diagrams appear at end of data sheet.
LEFT
AUDIO
INPUT
RIGHT
AUDIO
INPUT
RIN
RF
INL-
OUTL
OUTR
INL+
INR+
RF
INR-
RIN
MAX97220A/B/E
LEFT
AUDIO
INPUT
RIGHT
AUDIO
INPUT
RIN
OUTL
SGND
OUTR
RF
RIN
MAX97220C/D
INL-
INL+
INR+
INR-
PART
PIN-
PACKAGE
TOP
MARK
GAIN
SET
TURN-ON
TIME (ms)
MAX97220AETE+ 16 TQFN-EP* +AIF
External
5.5
MAX97220BETE+ 16 TQFN-EP* +AIG External
130
MAX97220CETE+ 16 TQFN-EP* +AIH
+6dB
5.5
MAX97220DETE+ 16 TQFN-EP*
+AII
+6dB
130
MAX97220EETE+ 16 TQFN-EP*
+AII
External
5.5
For pricing, delivery, and ordering information, please contact Maxim Direct
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.
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