7545BRPFI datasheet(3/9 Pages) MAXWELL

Part #	7545BRPFI

Description	12-Bit Buffered Multiplying Digital to Analog Converter

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Manufacturer	MAXWELL [Maxwell Technologies]

Direct Link	http://www.maxwell.com

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All data sheets are subject to change without notice

12-Bit Buffered Multiplying

Digital to Analog Converter

7545B

07.26.07 Rev 1

TABLE 3. DELTA LIMITS

PARAMETER

VARIATION

I

DD

±10%

TABLE 4. 7545B SPECIFICATIONS

(V

DD = +5 V ±10%, TA = -55 TO 125

°C UNLESS OTHERWISE NOTED)

TEST

SYMBOL

TEST CONDITION

SUBGROUPS

MIN

MAX

UNIT

Resolution

RES

1, 2, 3

12

--

Bits

Relative Accuracy

RA

1, 2, 3

-1/2

1/2

LSB

Differential Nonlinearity

DNL

12-Bit Monotonic T

MIN to TMAX

1, 2, 3

-1

1

LSB

Gain Error 1

1. Measured using feedback resistor.

A

E

DAC Register Loaded with 1111

1111 1111

1, 2, 3

-4

4

LSB

Gain Temperature Coefficient2

2. Guaranteed by design.

TC

AE

1, 2, 3

-5

5

ppm/°C

Power Supply Rejection

PSRR

V

DD = 5%

1, 2, 3

-0.004

0.004

%/%

Output Current Settling Time2

t

SL

To 1/2LSB; OUT1 Load = 100

Ω,

DAC Output Measured from Fall-

ing Edge of WR. CS = 0V

1, 2, 3

--

2

µ s

Feed through Error

FT

1, 2, 3

5 (typical)

mV p-p

Reference Input Resistance

(Pin 19 to Ground)2

R

IN

1, 2, 3

10

25

K

Ω

Digital Input High Voltage

V

IH

1, 2, 3

2.4

--

V

Digital Input Low Voltage

V

IL

1, 2, 3

--

0.8

V

Digital Input Leakage Current

I

IN

V

IN = 0 V or VDD

1, 2, 3

-10

10

µ A

Digital Input Capacitance2

C

IN

DB0 - DB11; WR, CS

1, 2, 3

--

20

pF

Output Capacitance2

C

OUT1

DB0 - DB11 = 0 V, WR, CS = 0V

1, 2, 3

--

70

pF

DB0 - DB11 = V

DD, WR, CS = 0V

1, 2, 3

--

200

Chip Select to Write Setup

Time2

t

CS

t

CS > tWR, tCH > 0

9, 10, 11

380

--

nS

Chip Select to Write Hold Time2

t

CH

9, 10, 11

0

--

Write Pulse Width2

t

WR

9, 10, 11

400

--

Data Setup Time2

t

DS

9, 10, 11

210

--

Data Hold Time2

t

DH

9, 10, 11

10

--

Supply Current from V

DD

I

DD

All Digital Inputs V

IL or VIH

1, 2, 3

--

2

mA

All Digital Inputs 0 or V

DD

1, 2, 3

--

500

µ A

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