AD5546 datasheet(4/16 Pages) AD

Part #	AD5546

Description	Current Output, Parallel Input, 16-/14-Bit Multiplying DACs with 4-Quadrant Resistors

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Manufacturer	AD [Analog Devices]

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AD5546/AD5556

Rev. 0 | Page 4 of 16

Parameter

Symbol

Condition

Min

Typ

Max

Unit

SUPPLY CHARACTERISTICS

Power Supply Range

VDD RANGE

2.7

5.5

V

Positive Supply Current

IDD

Logic inputs = 0 V

10

µA

Power Dissipation

PDISS

Logic inputs = 0 V

0.055

mW

Power Supply Sensitivity

PSS

∆VDD = ±5%

0.003

%/%

AC CHARACTERISTICS4

Output Voltage Settling

Time

tS

To ±0.1% of full scale, data cycles from zero scale to full scale

to zero scale

0.5

µs

Reference Multiplying BW

BW

VREF = 5 V p-p, data = full scale

4

MHz

DAC Glitch Impulse

Q

VREF = 0 V, midscale to midscale minus 1

7

nV-s

Multiplying Feedthrough

Error

VOUT/VREF

VREF = 100 mV rms, f = 10 kHz

–65

dB

Digital Feedthrough

QD

WR = 1, LDAC toggles at 1MHz

7

nV-s

Total Harmonic Distortion

THD

VREF = 5 V p-p, data = full-scale, f = 1 KHz

–85

dB

Output Noise Density

eN

f = 1 kHz, BW = 1 Hz

12

nV/rt

Hz

1 All static performance tests (except IOUT) are performed in a closed-loop system, using an external precision OP97 I-V converter amplifier. The AD554x RFB terminal is

tied to the amplifier output. The op amp +IN is grounded and the DAC IOUT is tied to the op amp –IN. Typical values represent average readings measured at 25°C.

2 These parameters are guaranteed by design and not subject to production testing.

3 All input control signals are specified with tR = tF = 2.5 ns (10% to 90% of 3 V), and timed from a voltage level of 1.5 V.

4 All ac characteristic tests are performed in a closed-loop system using an AD841 I-V converter amplifier.

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