VES1848 データシートの表示（PDF） - Philips Electronics

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VES1848

Single Chip DAVIC/DVB-RC Cable Modem

Philips Electronics 

Philips Semiconductors

Single Chip DAVIC/DVB-RC Cable Modem

Product specification

VES1848

TABLE 1: ABSOLUTE MAXIMUM RATINGS

Parameter

Min

Max

Unit

Ambient operating temperature : Ta

0

70

°C

DC supply voltage (VDD)

- 0.5

+ 4.1

V

DC Input voltage

- 0.5

VDD + 0.5

V

DC Input Current

± 20

mA

Lead Temperature

+300

°C

Junction Temperature

+150

°C

Stresses above the absolute maximum ratings may cause permanent damage to the device. Exposure to

absolute maximum ratings conditions for extended periods may affect device reliability.

TABLE 2 : RECOMMENDED OPERATING CONDITIONS

Symbol

Parameter

Min

Typ

Max

Unit

Notes

VDD

Digital supply voltage

3.14

VD1, VD1IQ

VCC

5V supply

4.75

Ta

VIH(1)

Operating temperature

0

High-level input voltage

2

3.3

3.46

V

3.3V ±5%

5

5.25

V

5V ± 5%

70

°C Ambient temperature

VCC + 0.3 V

TTL input

VIL

VOH(2)

VOL

IDD + ICC

Low-level input voltage -0.5

High-level output voltage VDD -0.1

2.4

Low-level output voltage

Supply current

0.8

V

TTL input

V

@ IOH = -0.8 mA

@ IOH = + 2mA

0.1

V

@ IOL = 0.8 mA

0.4

@ IOL = + 2mA

300

mA @US_clk = 116MHz

(3)

CIN

Input capacitance

15

pF

COUT

Output capacitance

15

pF

VD2

Analog supply voltage 3.14

3.3

3.46

V

3.3V ± 5%

VD3, VD4

AVDDI, AVDDQ

VD0I, VD0Q

IFS

DAC full scale output

current range

25

mA

RL

DAC termination resistor

75

ohms

(1) All inputs are 5V tolerant.

(2) IOH, IOL = ± 4mA only for pins DATAA, DATAM, INTA, INTM, VAGC, PWM2, FCONTI, SDAOUT, SDAIN,

SCLOUT, WRNA, RDN_ENAA, CSA, US_SACLK.

(3) with the US modulator working in continuous mode and with direct IF synthesys.

1999 Jul 01

5

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