Datasheet MAX4249, MAX4257 (Maxim)

EVALUATION KIT AVAILABLE MAX4249–MAX4257 UCSP, Single-Supply, Low-Noise, Low-Distortion, Rail-to-Rail Op Amps General Description Features The MAX4249–MAX4257 low-noise, low-distortion oper- !
Available in Space-Saving UCSP, SOT23, and
ational amplifiers offer rail-to-rail outputs and single-
µMAX® Packages
supply operation down to 2.4V. They draw 400µA of !
Low Distortion: 0.0002% THD (1k
"
load)
quiescent supply current per amplifier while featuring !
400µA Quiescent Supply Current per Amplifier
ultra-low distortion (0.0002% THD), as well as low input ! voltage-noise density (7.9nV/
Single-Supply Operation from 2.4V to 5.5V
!Hz) and low input current-noise density (0.5fA/ !
Input Common-Mode Voltage Range Includes
!Hz). These features make the devices an ideal choice for portable/battery-powered
Ground
applications that require low distortion and/or low noise. !
Outputs Swing Within 8mV of Rails with a 10k
"
Load
For additional power conservation, the MAX4249/ MAX4251/MAX4253/MAX4256 offer a low-power shut- !
3MHz GBW Product, Unity-Gain Stable (MAX4250–MAX4254)
down mode that reduces supply current to 0.5µA and puts the amplifiers’ outputs into a high-impedance
22MHz GBW Product, Stable with AV
#
10V/V
state. The MAX4249-MAX4257’s outputs swing rail-to-
(MAX4249/MAX4255/MAX4256/MAX4257)
rail and their input common-mode voltage range !
Excellent DC Characteristics
includes ground. The MAX4250–MAX4254 are unity-
VOS = 70µV
gain stable with a gain-bandwidth product of 3MHz.
IBIAS = 1pA Large-Signal Voltage Gain = 116dB
The MAX4249/MAX4255/MAX4256/MAX4257 are inter- nally compensated for gains of 10V/V or greater with a !
Low-Power Shutdown Mode Reduces Supply Current to 0.5µA
gain-bandwidth product of 22MHz. The single MAX4250/
Places Outputs in a High-Impedance State
MAX4255 are available in space-saving 5-pin SOT23 packages. The MAX4252 is available in an 8-bump chip- !
400pF Capacitive-Load Handling Capability
scale package (UCSP™) and the MAX4253 is available in Ordering Information a 10-bump UCSP. The MAX4250AAUK comes in a 5-pin SOT23 package and is specified for operation over the
PIN- TOP PART TEMP RANGE
automotive (-40°C to +125°C) temperature range.
PACKAGE MARK
Applications
MAX4249
ESD+ -40°C to +85°C 14 SO — MAX4249EUB+ -40°C to +85°C 10 µMAX — Wireless Communications Devices
MAX4250
EUK+T -40°C to +85°C 5 SOT23 ACCI PA Control M AX 4250AAU K+ T - 40°C to + 125°C 5 SOT23 AEYJ Portable/Battery-Powered Equipment +Denotes a lead(Pb)-free/RoHS-compliant package. Medical Instrumentation T = Tape and reel. ADC Buffers
Ordering Information continued at end of data sheet.
Digital Scales/Strain Gauges
Selector Guide appears at end of data sheet.
Pin/Bump Configurations
TOP VIEW
(BUMPS ON BOTTOM) 1 2 3 A1 A2 A3 A4 A OUTA VDD OUTB OUTB INB- INB+ SHDNB B1 B4 B INA- MAX4252 INB- VDD MAX4253 VSS C1 C2 C3 C4 C INA+ VSS INB+ OUTA INA- INA+ SHDNA
UCSP UCSP
Pin/Bump Configurations continued at end of data sheet. UCSP is a trademark and µMAX is a registered trademark of Maxim Integrated Products, Inc.
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim Integrated’s website at www.maximintegrated.com.
19-1295; Rev 9; 12/12