TF256TH

No. A1617-2/5

Electrical Characteristics at Ta=25°C

Parameter

Symbol

Conditions

Ratings

Unit

Rank

min

typ

max

Gate-to-Drain Breakdown Voltage

V(BR)GDO

IG=--100μA

--20

V

Cutoff Voltage

VGS(off)

VDS=2V, ID=1μA

--0.1

--0.35

--1.0

V

Drain Current

IDSS*VDS=2V, VGS=0V

3

100

180

μA

4

140

280

5

240

450

Forward Transfer Admittance

| yfs |

VDS=2V, VGS=0V, f=1kHz

0.75

1.7

mS

Input Capacitance

Ciss

VDS=2V, VGS=0V, f=1MHz

3.1

pF

Reverse Transfer Capacitance

Crss

VDS=2V, VGS=0V, f=1MHz

1.0

pF

[Ta=25°C, VCC=2.0V, RL=2.2kΩ, Cin=5pF, See specified Test Circuit.]

Voltage Gain

GV

VIN=10mV, f=1kHz

3

1.0

dB

4

2.0

5

3.0

Reduced Voltage Characteristic

ΔG

VV

VIN=10mV, f=1kHz, VCC=2.0V → 1.5V

3

--0.5

--1.0

dB

4

--0.6

--1.3

5

--0.9

--2.0

Frequency Characteristic

ΔGvf

f=1kHz to 110Hz

--1.0

dB

Total Harmonic Distortion

THD

VIN=30mV, f=1kHz

3

1.4

%

4

0.9

5

0.35

Output Noise Voltage

VNO

VIN=0V, A curve

--105

--100

dB

* : The TF256TH is classified by IDSS as follows : (unit : μA)

Marking

N3

N4

N5

Rank

3

4

5

IDSS

100 to 180

140 to 280

240 to 450

Test Circuit

OSC

5pF

+

33μF

2.2kΩ

VCC=2.0V

VCC=1.5V

V

VTVM

THD

Voltage gain

Frequency Characteristic

Distortion

Reduced Voltage Characteristic

ID -- VDS

Drain-to-Source Voltage, VDS -- V

ID -- VGS

Gate-to-Source Voltage, VGS -- V

0

0.5

4.0

4.5

5.0

1.0

1.5

2.0

2.5

3.0

3.5

400

300

350

200

250

100

50

150

0

IT15213

--0.10V

--0.05V

--0.15V

--0.20V

--0.25V

--0.30V

VGS=0V

450

350

250

50

150

--0.50

--0.40

--0.30

--0.20

--0.10

0

--0.45

--0.35

--0.25

--0.15

--0.05

500

400

300

200

100

0

IT16271

VDS=2V

150

100