AS1545 datasheet(8/34 Pages) AMSCO

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AS1545

Data Sheet - E l e c t r i c a l C h a r a c t e r i s t i c s

Floating State Leakage

Current

DOUT = GND or VDD

±1

µA

Floating State Output

Capacitance

7pF

Output Coding

Straight binary

(Single-Ended &

Pseudo-Differential)

Two’s complement

(Fully Differential)

Conversion Rate

tCONV

Conversion Time

Exclusive of tACQ

15tSCLK

tACQ

Track/Hold Acquisition Time

Full-scale step input; VDD = 5V

Full-scale step input; VDD = 3V

110

Throughput Rate

MSPS

Power Requirements

VDD

Positive Supply Voltage

AVDD = DVDD

2.7

5.25

VDRIVE

Interface Supply Voltage

2.7

AVDD/

DVDD

IDDA+IDDD

Normal Mode (Static)

VDD = 5.25V, internal Ref. on

Operational, fS = 1 MSPS

VDD = 5.25V, internal Ref. on

6.5

VDD = 2.7V, internal Ref. on

5.2

5.5

Partial Power-Down Mode

VDD = 5.25V, internal Ref. on,

Static

500

µA

Full Power-Down Mode

µA

Operational, fS = 1 MSPS

VDD = 5.25V, internal Ref. on

36.75

Partial Power-Down

VDD = 5.25V, internal Ref. on

2.6

Full Power-Down

5.25

µW

Table 3. Electrical Characteristics (Continued)

Symbol

Parameter

Condition

Min

Typ

Max

Unit

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