AS1545 Просмотр технического описания (PDF) - austriamicrosystems AG

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AS1545

Dual, 12-Bit, 1MSPS, SAR ADC

austriamicrosystems AG 

AS1545

Datasheet - Electrical Characteristics

Table 3. Electrical Characteristics (Continued)

Symbol

Parameter

Condition

Min Typ

Max

Unit

Floating State Leakage

Current

DOUT = GND or VDD

±1

µA

Floating State Output

Capacitance

7

pF

Output Coding

Conversion Rate

Straight binary

(Single-Ended &

Pseudo-Differential)

Two’s complement

(Fully Differential)

tCONV

Conversion Time

Exclusive of tACQ

15tSCLK

tACQ

Full-scale step input; VDD = 5V

Track/Hold Acquisition Time

Full-scale step input; VDD = 3V

90

ns

110

Throughput Rate

Power Requirements

1

MSPS

VDD

Positive Supply Voltage

AVDD = DVDD

2.7

5.25

V

VDRIVE

Interface Supply Voltage

2.7

AVDD/

DVDD

V

Normal Mode (Static)

VDD = 5.25V, internal Ref. on

4

5

mA

IDDA+IDDD

Operational, fS = 1 MSPS

Partial Power-Down Mode

VDD = 5.25V, internal Ref. on

VDD = 2.7V, internal Ref. on

VDD = 5.25V, internal Ref. on,

Static

6.5

7

mA

5.2

5.5

mA

500

µA

Full Power-Down Mode

1

µA

Operational, fS = 1 MSPS VDD = 5.25V, internal Ref. on

PD

Partial Power-Down

VDD = 5.25V, internal Ref. on

36.75

mW

2.6

mW

Full Power-Down

5.25

µW

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