MAX5185：Dual, 10-Bit, 40MHz Current/Voltage Output DACs with Alternate Phase Update

The MAX5182 is a dual, 10-bit, alternate-phase-update, current-output digital-to-analog converter (DAC) designed for superior performance in systems requiring analog signal reconstruction with low distortion and low-power operation. The MAX5185 provides equal specifications, with on-chip output resistors for voltage-output operation. Both devices are designed for 10pV-s glitch operation, to reduce distortion and minimize unwanted spurious signal components at the output. An on-board +1.2V bandgap circuit provides a well-regulated, low-noise reference that can be disabled for external reference operation. The MAX5182/MAX5185 are designed to provide a high level of signal integrity for the least amount of power dissipation. Both DACs operate from a +2.7V to +3.3V single supply. Additionally, these DACs have three modes of operation: normal, low-power standby, and complete shutdown. A full shutdown provides the lowest possible power dissipation with a maximum shutdown current of 1µA. Fast wake-up time (0.5µs) from standby mode to full DAC operation allows for power conservation by activating the DACs only when required. The MAX5182/MAX5185 are available in a 28-pin QSOP package and are specified for the extended (-40°C to +85°C) temperature range. For pin-compatible 8-bit versions, refer to the MAX5188/MAX5191 data sheet.

Key Features

+2.7V to +3.3V Single-Supply Operation
Wide Spurious-Free Dynamic Range: 70dB at fOUT = 2.2MHz
Fully Differential Outputs for Each DAC
±0.5% FSR Gain Mismatch Between DAC Outputs
Low-Current Standby or Full Shutdown Modes
Internal +1.2V Low-Noise Bandgap Reference
Small 28-Pin QSOP Package

MAX5182, MAX5185: Functional Diagram

Applications/Uses

Arbitrary Waveform Generation (AWG)
Digital Signal Processing (DSP)
Imaging
Signal Reconstruction

DataSheet

title	Download file
MAX5182-MAX5185 Data Sheet	MAX5182-MAX5185.pdf

Parametrics

Part Number	Resolution (bits)	f_CLK (Msps)	Channels	SFDR (dBc)	THD (dBc)	DNL (±LSB)	INL (±LSB)	P_DISS (mW)	Interface	V_SUPPLY (V)	Package/Pins	Budgetary Price
Part Number	Resolution (bits)	f_CLK (Msps)	Channels	@ f_OUT	@ f_OUT	DNL (±LSB)	INL (±LSB)	P_DISS (mW)	Interface	V_SUPPLY (V)	Package/Pins	See Notes
MAX5182	10	40	2	70 @ 2.2MHz	-68 @ 2.2MHz	0.5	0.5	20.7	Parallel	3	QSOP/28	$4.66 @1k
MAX5185	10	40	2	70 @ 2.2MHz	-68 @ 2.2MHz	0.5	0.5	20.7	Parallel	3	QSOP/28	$4.66 @1k

Ordering Information

Part Number	Status	Recommended Replacement	Package	Temp	RoHS
MAX5185BEEI	No Longer Available	MAX5185BEEI+	QSOP,;28 pin;61.9 mm²	-40°C to +85°C	No
MAX5185BEEI+	Active		QSOP,;28 pin;61.9 mm²	-40°C to +85°C	Lead Free
MAX5185BEEI+T	Active		QSOP,;28 pin;61.9 mm²	-40°C to +85°C	Lead Free
MAX5185BEEI-T	No Longer Available	MAX5185BEEI+T	QSOP;28 pin	-40°C to +85°C	See data sheet

MAX5182-MAX5185.pdf MAX5185