2

LTC1569-6

A

G

A

U

A

R

BSOLUTEXI

TI

S

ORDER PART

NUMBER

PACKAGE/ORDER I FOR ATIO

(Note 1)

Total Supply Voltage ................................................ 11V

Power Dissipation .............................................. 500mW

Operating Temperature

LTC1569C ............................................... 0

°C to 70°C

LTC1569I ............................................ – 40

°C to 85°C

Storage Temperature ............................ – 65

°C to 150°C

Lead Temperature (Soldering, 10 sec).................. 300

°C

The q denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C.

VS = 3V (V + = 3V, V– = 0V), fCUTOFF = 64kHz, RLOAD = 10k unless otherwise specified.

ELECTRICAL C

C

HARA TERISTICS

LTC1569CS8-6

LTC1569IS8-6

S8 PART

MARKING

Consult factory for Military grade parts.

TJMAX = 125°C, θJA = 150°C/W

1

2

3

4

8

7

6

5

TOP VIEW

OUT

V+

RX

DIV/CLK

IN+

IN–

GND

V–

S8 PACKAGE

8-LEAD PLASTIC SO

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Filter Gain

VS = 5V, fCLK = 4.096MHz,

fIN = 1280Hz = 0.02 • fCUTOFF

q

–0.05

0.05

0.15

dB

fCUTOFF = 64kHz, VIN = 1.4VP-P,fIN = 12.8kHz = 0.2 • fCUTOFF

q

– 0.25

– 0.15

– 0.05

dB

REXT = 10k, Pin 5 Shorted

fIN = 32kHz = 0.5 • fCUTOFF

q

– 0.65

– 0.55

– 0.4

dB

to Pin 4

fIN = 51.2kHz = 0.8 • fCUTOFF

q

– 1.3

– 1.0

– 0.7

dB

fIN = 64kHz = fCUTOFF

q

– 5.3

– 3.8

– 2.4

dB

fIN = 97.5kHz = 1.5 • fCUTOFF (LTC1569I)

q

–60

– 40

dB

fIN = 97.5kHz = 1.5 • fCUTOFF (LTC1569C)

q

–60

– 48

dB

fIN = 128kHz = 2 • fCUTOFF

q

–62

– 50

dB

fIN = 192kHz = 3 • fCUTOFF

q

–71

– 60

dB

VS = 2.7V, fCLK = 1MHz,

fIN = 312Hz = 0.02 • fCUTOFF

q

– 0.12

0.05

0.16

dB

fCUTOFF = 15.625kHz,

fIN = 3125kHz = 0.2 • fCUTOFF

q

– 0.25

– 0.15

– 0.05

dB

VIN = 1VP-P, Pin 6 Shorted

fIN = 7812kHz = 0.5 • fCUTOFF

q

– 0.65

– 0.55

– 0.4

dB

to Pin 4, External Clock

fIN = 12.5kHz = 0.8 • fCUTOFF

q

– 1.1

– 0.9

– 0.7

dB

fIN = 15.625kHz = fCUTOFF

q

– 3.6

– 3.4

– 3.2

dB

fIN = 23.44kHz = 1.5 • fCUTOFF (LTC1569I)

q

–54

– 48

dB

fIN = 23.44kHz = 1.5 • fCUTOFF (LTC1569C)

q

–54

– 50

dB

fIN = 31.25kHz = 2 • fCUTOFF (LTC1569I)

q

–60

– 52

dB

fIN = 31.25kHz = 2 • fCUTOFF (LTC1569C)

q

–60

– 55

dB

fIN = 46.88kHz = 3 • fCUTOFF

q

–66

– 60

dB

Filter Phase

VS = 2.7V, fCLK = 4MHz,

fIN = 1250Hz = 0.02 • fCUTOFF

–11

Deg

fCUTOFF = 62.5kHz, Pin 6

fIN = 12.5kHz = 0.2 • fCUTOFF

q

– 114

– 111

–108

Deg

Shorted to Pin 4,

fIN = 31.25kHz = 0.5 • fCUTOFF

q

79

82

85

Deg

External Clock

fIN = 50kHz = 0.8 • fCUTOFF

q

–83

– 79

–75

Deg

fIN = 62.5kHz = fCUTOFF

q

156

162

168

Deg

fIN = 93.75kHz = 1.5 • fCUTOFF

– 91

Deg

Filter Cutoff Accuracy

REXT = 10.24k from Pin 6 to Pin 7,

62.5kHz

±1%

when Self-Clocked

VS = 3V, Pin 5 Shorted to Pin 4

Filter Output DC Swing

VS = 3V, Pin 3 = 1.11V

2.1

VP-P

(Note 6)

q

1.9

VP-P

VS = 5V, Pin 3 = 2V

3.9

VP-P

q

3.7

VP-P

VS = ±5V, Pin 5 Shorted to Pin 7, RLOAD = 20k

8.5

VP-P

15696

1569I6