TD7623AFN_01 datasheet(4/19 Pages) TOSHIBA

Teilenummer	TD7623AFN

Bauteilbeschribung	3-WIRE AND I2C BUS SYSTEM, 2.3 GHz DIRECT TWO MODULUS-TYPE FREQUENCY SYNTHESIZER FOR CATV

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Hersteller	TOSHIBA [Toshiba Semiconductor]

Direct Link	http://www.semicon.toshiba.co.jp/eng

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4 / 19 page

TD7623AFN

2001-03-01 4/19

ELECTRICAL CHARACTERISTICS

(Unless otherwise specified, VCC1 = 5 V, VCC2 = 9 V, Ta = 25°C)

CHARACTERISTIC

SYMBOL

TEST

CIR-

CUIT

TEST CONDITION

MIN

TYP.

MAX

UNIT

Supply Voltage 1

VCC1

―

4.5

5.0

5.5

V

Supply Current 1

ICC1

1

Bandswitch : OFF

Vt : OFF

24

32

40

mA

Supply Voltage 2

VCC2

―

VCC1

―

9.9

V

ICC2-1

Bandswitch : 1 Band ON

IBD = 20 mA (LOAD)

―

24

26

Supply Current 2

ICC2-2

1

Bandswitch : 2 Band ON

IBD = 30 mA (TOTAL LOAD)

―

38

42

mA

Bandswitch Drive Current

IBD

3

Maximum Drive Current / 1 port

―

20

mA

Bandswitch Drive Maximum LOAD

IBDMAX

3

Maximum Total Drive Current

―

40

mA

Bandswitch Drive Voltage Drop

VBD

Sat

3

IBD = 20 mA

―

0.2

0.4

V

X’tal Operating Range

OSCfin

―

3.2

―

4.5

MHz

X’tal Negative Resistance

OSCR

1

―

1.0

1.5

―

kΩ

X’tal External Input Level

OSCin

―

3.2 MHz~4.5 MHz, Rx = 91 kΩ

250

―

1000

mVp-p

Ratio Setting Range

N

―

15-bit counter

1024

―

32767

Ratio

Prescaler Input Sensitivity

VinRF

2

f = 500~2300 MHz

−15

―

+5

dBmW

Lock Output Low Voltage

VLkL

1

(lock mode, 3-wire bus mode)

―

0.4

V

Lock Output High Voltage

VLkH

1

(unlock mode, 3-wire bus

mode)

4.6

―

V

Logic Input Low Voltage

VBsL

1

Pins 13 to 15

−0.3

―

1.5

V

Logic Input High Voltage

VBsH

1

Pins 13 to 15

2.5

―

VCC1

+0.3

V

Logic Input Current (low)

IBsL

1

Pins 13 to 15

−20

―

10

Logic Input Current (high)

IBsH

1

Pins 13 to 15

−10

―

20

µA

BUS-SW Low Input Voltage

VBIL

1

―

0.0

―

0.8

BUS-SW High Input Voltage

VBIH

1

―

4.2

―

VCC1

V

BUS-SW Low Current (low)

IBIL

1

―

−200

―

BUS-SW Low Current (high)

IBIH

1

―

200

µA

CP = [0]

±150

±200

±300

Charge Pump Output Current

Ichg

2

CP = [1]

±600

±800

±1200

µA

ACK Output Voltage

VACK

1

ISINK = 3 mA (I

2

C-bus mode)

―

0.4

V

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