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Dynamic characteristics, 5v digital characteristics, 3v digital characteristics – Cirrus Logic CS5509 User Manual

Page 3: Cs5509

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CS5509

DS125F3

3

Notes: 8. All measurements are performed under static conditions.

9. I

out

= -100 µA. This guarantees the ability to drive one TTL load. (V

OH

= 2.4 V at I

out

= -40 µA).

Specifications are subject to change without notice

DYNAMIC CHARACTERISTICS

Parameter

Symbol

Ratio

Unit

Modulator Sampling Frequency

f

s

f

clk

/2

Hz

Output Update Rate (CONV = 1)

f

out

f

clk

/1622

Hz

Filter Corner Frequency

f

-3dB

f

clk

/1928

Hz

Settling Time to 1/2 LSB (FS Step)

t

s

1/f

out

s

5V DIGITAL CHARACTERISTICS

(T

A

= 25 °C; VA+, VD+ = 5V ±5%; GND = 0) (Notes 2 and 8)

Parameter

Symbol Min Typ

Max

Unit

High-level Input Voltage

XIN

All Pins Except XIN

V

IH

3.5
2.0

-
-

-
-

V
V

Low-level Input Voltage

XIN

All Pins Except XIN

V

IL

-
-

-
-

1.5
0.8

V
V

High-level Output Voltage

(Note 9)

V

OH

(VD+) -1.0

-

-

V

Low-level Output Voiltage

I

out

= 1.6 mA

V

OL

-

-

0.4

V

Input Leakage Current

I

in

-

±1

±10

µA

3-State Leakage Current

I

OZ

-

-

±10

µA

Digital Output Pin Capacitance

C

out

-

9

-

pF

3.3V DIGITAL CHARACTERISTICS

(T

A

= 25 °C; VA+ = 5V ±5%; VD+ = 3.3V ±5%; GND = 0)

(Notes 2 and 8)

Parameter

Symbol Min Typ

Max

Unit

High-level Input Voltage

XIN

All Pins Except XIN

V

IH

0.7 VD+
0.6 VD+

-
-

-
-

V
V

Low-level Input Voltage

XIN

All Pins Except XIN

V

IL

-
-

-
-

0.3 VD+

0.16 VD+

V
V

High-level Output Voltage

(Note 9)

V

OH

(VD+) -0.3

-

-

V

Low-level Output Voltage

I

out

= 1.6 mA

V

OL

-

-

0.3

V

Input Leakage Current

I

in

-

±1

±10

µA

3-state Leakage Current

I

OZ

-

-

±10

µA

Digital Output Pin Capacitance

C

out

-

9

-

pF