LTC1569-7 datasheet(2/12 Pages) LINER

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LTC1569-7

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Filter Gain

VS = 5V, fCLK = 8.192MHz,

fIN = 5120Hz = 0.02 • fCUTOFF

– 0.10

0.00

0.10

fCUTOFF = 256kHz, VIN = 2.5VP-P,fIN = 51.2kHz = 0.2 • fCUTOFF

– 0.25

– 0.15

– 0.05

REXT = 5k, Pin 5 Shorted to Pin 4

fIN = 128kHz = 0.5 • fCUTOFF

– 0.50

– 0.41

– 0.25

fIN = 204.8kHz = 0.8 • fCUTOFF

– 1.1

– 0.65

– 0.40

fIN = 256kHz = fCUTOFF, LTC1569C

– 5.7

– 3.8

– 2.3

fIN = 256kHz = fCUTOFF, LTC1569I

– 6.2

– 3.8

– 2.0

fIN = 384kHz = 1.5 • fCUTOFF

–58

– 48

fIN = 512kHz = 2 • fCUTOFF

–62

– 54

fIN = 768kHz = 3 • fCUTOFF

–67

– 64

VS = 2.7V, fCLK = 1MHz,

fIN = 625Hz = 0.02 • fCUTOFF

– 0.08

0.00

0.12

fCUTOFF = 31.25kHz, VIN = 1VP-P,fIN = 6.25kHz = 0.2 • fCUTOFF

– 0.25

– 0.15

– 0.05

Pin 6 Shorted to Pin 4, External Clock

fIN = 15.625kHz = 0.5 • fCUTOFF

– 0.50

– 0.40

– 0.30

fIN = 25kHz = 0.8 • fCUTOFF

– 0.75

– 0.65

– 0.50

fIN = 31.25kHz = fCUTOFF

– 3.3

– 3.15

– 3.0

fIN = 46.875kHz = 1.5 • fCUTOFF

–57

– 52

fIN = 62.5kHz = 2 • fCUTOFF

–60

– 54

fIN = 93.75kHz = 3 • fCUTOFF

–66

– 58

Filter Phase

VS = 2.7V, fCLK = 4MHz,

fIN = 2500Hz = 0.02 • fCUTOFF

–11

Deg

fCUTOFF = 125kHz, Pin 6 Shorted to

fIN = 25kHz = 0.2 • fCUTOFF

– 114

–112

–110

Deg

Pin 4, External Clock

fIN = 62.5kHz = 0.5 • fCUTOFF

Deg

fIN = 100kHz = 0.8 • fCUTOFF

–85

– 83

–81

Deg

fIN = 125kHz = fCUTOFF

155

158

161

Deg

fIN = 187.5kHz = 1.5 • fCUTOFF

– 95

Deg

Filter Cutoff Accuracy

REXT = 10.24k from Pin 6 to Pin 7,

125kHz

±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

1.9

VP-P

VS = 5V, Pin 3 = 2V

3.9

VP-P

3.7

VP-P

VS = ±5V

8.6

VP-P

LTC1569C

8.4

VP-P

LTC1569I

8.0

VP-P

BSOLUTEXI

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 = 128kHz, RLOAD = 10k unless otherwise specified.

ELECTRICAL C

HARA TERISTICS

LTC1569CS8-7

LTC1569IS8-7

S8 PART

MARKING

Consult factory for Military grade parts.

TJMAX = 125°C, θJA = 80°C/W (Note 6)

15697

1569I7

TOP VIEW

OUT

V+

DIV/CLK

IN+

IN–

GND

V–

S8 PACKAGE

8-LEAD PLASTIC SO

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