MX7837 datasheet(4/12 Pages) MAXIM

Part #	MX7837

Description	Complete, Dual, 12-Bit Multiplying DACs

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Manufacturer	MAXIM [Maxim Integrated Products]

Direct Link	https://www.maximintegrated.com/en.html

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4 / 12 page

Complete, Dual, 12-Bit

Multiplying DACs

4

_______________________________________________________________________________________

__________________________________________Typical Operating Characteristics

(TA = +25°C, VDD = 15V, VSS = -15V, RL = 2kΩ, CL = 100pF, unless otherwise noted)

25

0

10

1k

10k

OUTPUT VOLTAGE SWING

vs. RESISTIVE LOAD

10

20

LOAD RESISTANCE (

Ω)

100

15

5

VREF = 20Vp-p at 1kHz

0

10

100k

NOISE SPECTRAL DENSITY

100

300

FREQUENCY (Hz)

200

100

1k

10k

VREF = 0V

DAC CODE = 11...111

GAIN = -1

5

-25

100

10k

10M

SMALL-SIGNAL FREQUENCY RESPONSE

FREQUENCY (Hz)

-5

0

-10

-15

-20

1k

100k

1M

VREF = 100mVp-p

DAC CODE = 11...111

GAIN = -1

-35

-85

1k

100k

MULTIPLYING FEEDTHROUGH ERROR

-75

FREQUENCY (Hz)

-65

-50

-45

-40

-55

-60

-70

-80

10k

1M

VREFA = 20Vp-p

VREFB = AGNDB

DAC CODE = 00...00

-94

-106

100

1k

10k

TOTAL HARMONIC DISTORTION + NOISE

vs. FREQUENCY (BANDWIDTH = 80kHz)

-102

FREQUENCY (Hz)

-100

-98

-96

-104

VREF = 6VRMS

DAC CODE = 111...111

-60

-100

100

10k

100k

TOTAL HARMONIC DISTORTION + NOISE

vs. FREQUENCY (BANDWIDTH > 500kHz)

-75

-65

FREQUENCY (Hz)

1k

-70

-90

-80

-85

-95

VREF = 6VRMS

DAC CODE = 111...111

PARAMETER

MX78_7J/K/A/B

MIN

MAX

SYMBOL

MX78_7S/T

MIN

MAX

UNITS

Address to

WR SetupTime

t6

MX7837 only

15

ns

Address to

WR Hold Time

t7

MX7837 only

15

ns

LDAC Pulse Width

t8

MX7837 only

80

ns

CONDITIONS

CS to WR Hold Time

0

CS to WR Setup Time

t1

0

ns

t2

0

ns

WR Pulse Width

t3

80

ns

Data to

WR Setup Time

t4

80

ns

Data to

WR Hold Time

t5

10

ns

TIMING CHARACTERISTICS

(VDD = 11.4V to 16.5V, VSS = -11.4V to -16.5V, AGNDA = AGNDB = DGND = 0V, TA = TMIN to TMAX, unless otherwise noted.) (Note 5)

Note 5: All input signals are specified with tR = tF ≤ 5ns. Logic swing is 0V to 5V.

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