4.5 DC SPECIFICATIONS

Cs = 20nF, Cx = 30pF

pF/count

0.33

Sensitivity [T2]

S[2]

Cs = 20nF, Cx = 10pF

pF/count

0.125

Sensitivity [T1]

S[1]

pF

50

0

Load capacitance range

FILT, POL

µA

±1

Input leakage current

OUT1, OUT2, 1mA source

V

Vdd-0.8

High output voltage

OUT1, OUT2, 5mA sink

V

0.6

Low output voltage

FILT, POL

V

2.2

High input logic level

FILT, POL

V

0.8

Low input logic level

Required for proper startup

V/s

100

Supply turn-on slope

µA

20

Supply current

V

5.25

2.45

Supply voltage

Notes

Units

Max

Typ

Min

Description

Parameter

FIGURE 4-1

FIGURE 4-2

4.6 PACKAGING

AVAILABLE TYPES:

DIP-8

0.26" / 6.5mm body, 0.100" pitch, plastic

D suffix

SO8N

0.15" / 3.9mm body, 0.050" pitch, plastic

S suffix

Refer to QT110 datasheet for complete dimensional information

4.7 CUSTOMIZATION

QT114 technology can be customized to suit specific requirement, often with little NRE charge or change in part cost.

- 11 -

Gain vs. Cx Load; Cs = 20nF; Vcc = 3.0

0

2

4

6

8

10

12

14

16

18

0.00

10.00

20.00

30.00

40.00

Cx Load, pF

Signal Level vs. Cx Load; Cs = 20nF; Vcc = 3.0

0

50

100

150

200

250

300

350

400

0.00

10.00

20.00

30.00

40.00

Cx Load, pF