Rainbow-electronics MAX7470 Manual do Utilizador descarregar pdf (Página 3)

MAX7469/MAX7470

HDTV Continuously Variable

Anti-Aliasing Filters

_______________________________________________________________________________________

ELECTRICAL CHARACTERISTICS (continued)

(AV

= +5V ±5%, DV

= 2.7V to 3.6V, R

LOAD

= 150Ω to GND, C

= 0.1µF, T

= 0°C to +85°C, unless otherwise noted. Typical

values are at AV

= 5V, DV

= 3.3V, T

= +25°C.)

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS

Positive 350

Clamp Settling Time

To 1% with 100 IRE step

(Note 4)

Negative 650

Minimum Functional Input Sync

Amplitude

125 mV

MAX7469 -0.5 0 +0.5

Low-Frequency Gain (Note 1)

MAX7470 5.5 6 6.5

Low-Frequency Gain Matching 100kHz 0.05 dB

Maximum Output Voltage

Amplitude

DC to 30MHz 2.4 V

P-P

MAX7469 2.4

Maximum Input Voltage

Amplitude

MAX7470 1.2

P-P

Channel-to-Channel Isolation 62 dB

Output Clamping Level Variation (Notes 1, 4) ±100 mV

Power-Supply Rejection Ratio PSRR DC 50 dB

DIGITAL INPUTS (EXTSYNC, A1, A0)

Input Logic-High Voltage V

2.0 V

Input Logic-Low Voltage V

0.8 V

Input Leakage Current I

= 0 to DV

±1 ±10 µA

Input Capacitance C

6pF

DIGITAL INPUTS (SDA, SCL)

Input Logic-High Voltage V

0.7 x

Input Logic-Low Voltage V

0.3 x

Input Hysteresis V

HYST

0.05 x

Input Leakage Current I

= 0 to DV

±0.1 ±10 µA

Input Capacitance C

6pF

DIGITAL OUTPUT (SDA)

Output Logic-Low Voltage V

SINK

= 3mA 0.4 V

Tri-State Leakage Current I

= 0 to DV

±0.1 ±10 µA

Tri-State Output Capacitance C

OUT

6pF

POWER REQUIREMENTS

Analog Supply Voltage Range AV

4.75 5 5.25 V

Digital Supply Voltage Range DV

2.7 3.3 3.6 V

Normal operation, no load 180 200

Analog Supply Current I

AVDD

Power-down mode, no load 1 1.5

Digital Supply Current I

DVDD

SCL

= 400kHz 25 µA

1 2 3 4 5 6 7 8 ... 16 17

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