Rainbow-electronics MAX19516 Uživatelský manuál stáhnout pdf (Strana 5)

MAX19516

Dual-Channel, 10-Bit, 100Msps ADC

_______________________________________________________________________________________ 5

ELECTRICAL CHARACTERISTICS (continued)

AVDD

= V

OVDD

= 1.8V, internal reference, differential clock, V

CLK

= 1.5V

P-P

, f

CLK

= 100MHz, A

= -0.5dBFS, data output termina-

tion = 50Ω, T

= -40°C to +85°C, unless otherwise noted. Typical values are at T

= +25°C.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN TYP MAX

UNITS

CLOCK INPUTS (SYNC)

Allowable Logic Swing

0 - V

AVDD

Sync Clock Input High Threshold

1.5 V

Sync Clock Input Low Threshold

0.3 V

SYNC

= V

AVDD

= 1.8V or 3.3V

+0.5

Input Leakage

SYNC

= 0

-0.5

µA

Input Capacitance 4.5 pF

DIGITAL INPUTS (SHDN, SPEN)

Allowable Logic Swing

0 - V

AVDD

Input High Threshold 1.5 V

Input Low Threshold 0.3 V

SHDN

SPEN

= V

AVDD

= 1.8V or 3.3V

+0.5

Input Leakage

SHDN

SPEN

= 0

-0.5

µA

Input Capacitance C

DIN

3pF

SERIAL-PORT INPUTS (SCLK, SDIN, CS, where SPEN = 0V)—SERIAL-PORT CONTROL MODE

Allowable Logic Swing

0 - V

AVDD

Input High Threshold 1.5 V

Input Low Threshold 0.3 V

SCLK

SDIN

= V

AVDD

= 1.8V or 3.3V

+0.5

Input Leakage

SCLK

SDIN

= 0

-0.5

µA

Input Capacitance C

DIN

3pF

SERIAL-PORT INPUTS (SCLK, SDIN, CS, where SPEN = V

AVDD

)—PARALLEL CONTROL MODE (Figure 5)

SCLK

SDIN

= V

AVDD

= 1.8V 7 12 17

Input Pullup Current

SCLK

SDIN

= V

AVDD

= 3.3V 16 21 26

µA

SCLK

SDIN

= 0, V

AVDD

= 1.8V -65 -50 -35

Input Pulldown Current

SCLK

SDIN

= 0, V

AVDD

= 3.3V

-105

-90 -75

µA

I = 0V, V

AVDD

= 1.8V

1.35 1.45 1.55

Open-Circuit Voltage V

I = 0V, V

AVDD

= 3.3V

2.58 2.68 2.78

DIGITAL OUTPUTS (75Ω, D0–D9 (A and B Channel), DCLKA, DCLKB, DORA, DORB)

Output-Voltage Low V

SINK

= 200µA 0.2 V

Output-Voltage High V

SOURCE

= 200µA

OVDD

- 0.2

OVDD

applied

+0.5

Three-State Leakage Current I

LEAK

GND applied

-0.5

µA

1 2 3 4 5 6 7 8 9 10 ... 33 34

MAX19516 1

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