NTE1786 Ver la hoja de datos (PDF) - NTE Electronics

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componentes Descripción

Fabricante

NTE1786

Integrated Circuit Frequency Lock Loop (FLL) Tuning & Control Circuit

NTE Electronics 

DC and AC Electrical Characteristics (Cont’d): (TA = +25°C, VCC1, VCC2, VCC3 at typical voltages

unless otherwise specified)

Parameter

Symbol

Test Conditions

Min Typ Max Unit

Band–Select Output Ports (Cont’d) P10, P11, P12, P13 (Pin15 to Pin18)

Maximum Output Source Current

Maximum Output Sink Current

FDIV Input (Pin20)

Input Voltage (Peak–to–Peak Value)

Duty Cycle

–IOH

IOL

Note 5

VFDIVP–P) tRISE and tFALL ≤ 40ns

–

130 200

mA

–

5

–

mA

0.1

–

2.0

V

40

–

60

%

Maximum Input Frequency

fMAX

Input Impedance

Zi

Input Capacitance

CI

OSC Input (Pin21)

14.5

–

–

8

–

5

–

MHz

–

kΩ

–

pF

Crystal Resistance at Resonance

RX

(4MHz)

–

–

150

Ω

DAC Outputs (Pin1, Pin22 to Pin24)

Maximum Output Voltage (No Load)

Minimum Output Voltage (No Load)

Positive Value of Smallest Step

Deviation from Linearity

VDH VCC1 = 12V, Note 6

VDL VCC1 = 12V, Note 6

∆VD 1 Least Significant Bit

10.0

–

11.5

V

0.1

–

1.0

V

0

–

350

mV

–

–

0.5

V

Output Impedance

Maximum Output Source Current

Maximum Output Sink Current

Power–Down Reset

ZD

–IDH

IDL

ILOAD = ±2mA

–

–

70

Ω

–

–

6

mA

–

8

–

mA

Maximum Supply Voltage (VCC1) at

VPD

which Power–Down Reset is

Active

7.5

–

9.5

V

VCC1 Rise Time During Power–Up

tR

(Up to VPD)

Voltage Level for Valid Module Address

5

–

–

µs

Voltage Level at P20 (Pin4) for Valid

Module Address as a Function of

MA1, MA0

VVA00

VVA01

VVA10

VVA11

MA1: 0, MA0: 0

MA1: 0, MA0: 1

MA1: 1, MA0: 0

MA1: 1, MA0: 1

–0.3

–

16

V

–0.3

–

0.8

V

2.5

– VCC1–2 V

VCC1–0.3 –

VCC1

V

Note 5. At continuous operation the output current should not exceed 50mA. When the output is

short–circuited to GND for several seconds the device may be damaged.

Note 6. Values are proportional to VCC1.

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