LTC1068 Series

4

1068fc

ELECTRICAL CHARACTERISTICS LTC1068-200 (Internal Op Amps). The

l

denotes the specifications which

apply over the full operating temperature range, otherwise specifications are at VS = ±5V, TA = 25°V, unless otherwise noted.

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Operating Supply Voltage Range

3.14

±5.5

V

Voltage Swings

VS = 3.14V, RL = 5k (Note 2)

VS = 4.75V, RL = 5k (Note 3)

VS = ±5V, RL = 5k

l

l

l

1.2

2.6

±3.4

1.6

3.2

±4.1

VP-P

VP-P

V

Output Short-Circuit Current (Source/Sink)

VS = ±4.75V

VS = ±5V

17/6

20/15

mA

mA

DC Open-Loop Gain

RL = 5k

85

dB

GBW Product

VS = ±5V

6

MHz

Slew Rate

VS = ±5V

10

V/µs

Analog Ground Voltage (Note 4)

VS = 5V, Voltage at AGND

2.5V ±2%

V

LTC1068-200 (Complete Filter) VS = ±5V, TA = 25°V, unless otherwise noted.

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Clock-to-Center Frequency Ratio (Note 5)

VS = 4.75V, fCLK = 1MHz, Mode 1 (Note 3),

fO = 5kHz, Q = 5, VIN = 0.5VRMS,

R1 = R3 = 49.9k, R2 = 10k

l

200 ±0.3

200 ±0.8

200 ±0.9

%

%

VS = ±5V, fCLK = 1MHz, Mode 1,

fO = 5Hz, Q = 5, VIN = 1VRMS,

R1 = R3 = 49.9k, R2 = 10k

l

200 ±0.3

200 ±0.8

200 ±0.9

%

%

Clock-to-Center Frequency Ratio,

Side-to-Side Matching (Note 5)

VS = 4.75V, fCLK = 1MHz, Q = 5 (Note 3)

VS = ±5V, fCLK = 1MHz, Q = 5

l

l

±0.25

±0.25

±0.9

±0.9

%

%

Q Accuracy (Note 5)

VS = 4.75V, fCLK = 1MHz, Q = 5 (Note 3)

VS = ±5V, fCLK = 1MHz, Q = 5

l

l

±1

±1

±3

±3

%

%

fO Temperature Coefficient

±1

ppm/°C

Q Temperature Coefficient

±5

ppm/°C

DC Offset Voltage (Note 5)

(See Table 1)

VS = ±5V, fCLK = 1MHz, VOS1

(DC Offset of Input Inverter)

l

0

±15

mV

VS = ±5V, fCLK = 1MHz, VOS2

(DC Offset of First Integrator)

l

±2

±25

mV

VS = ±5V, fCLK = 1MHz, VOS3

(DC Offset of Second Integrator)

l

±5

±40

mV

Clock Feedthrough

VS = ±5V, fCLK = 1MHz

0.1

mVRMS

Max Clock Frequency (Note 6)

VS = ±5V, Q ≤ 2.0, Mode 1

5.6

MHz

Power Supply Current

VS = 3.14V, fCLK = 1MHz (Note 2)

VS = 4.75V, fCLK = 1MHz (Note 3)

VS = ±5V, fCLK = 1MHz

l

l

l

3.5

6.5

9.5

8

11

15

mA

mA

mA