AD7468 データシートの表示（PDF） - Analog Devices

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コンポーネント説明

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AD7468

1.8V; 450mW; micro-power, 8/10/12-bit ADC. For battery powered systems, madical instruments, remote data acquisition, isolated data acquisition

Analog Devices 

AD7466/AD7467/AD7468

Parameter

LOGIC OUTPUTS

Output High Voltage, VOH

Output Low Voltage, VOL

Floating-State Leakage Current

Floating-State Output Capacitance

Output Coding

CONVERSION RATE

Conversion Time

Throughput Rate

POWER REQUIREMENTS

VDD

IDD

Normal Mode (Operational)

Power-Down Mode

Power Dissipation

Normal Mode (Operational)

Power-Down Mode

B Version

Unit

VDD − 0.2

0.2

±1

10

Straight (natural)

binary

V min

V max

μA max

pF max

4.70

μs max

200

kSPS max

1.6/3.6

V min/max

300

μA max

110

μA typ

20

μA typ

240

μA max

80

μA typ

16

μA typ

165

μA max

50

μA typ

10

μA typ

0.1

μA max

0.9

mW max

0.6

mW max

0.3

mW max

0.3

μW max

Test Conditions/Comments

ISOURCE = 200 μA, VDD = 1.6 V to 3.6 V

ISINK = 200 μA

16 SCLK cycles with SCLK at 3.4 MHz

See the Serial Interface section

Digital inputs = 0 V or VDD

VDD = 3 V, fSAMPLE = 100 kSPS

VDD = 3 V, fSAMPLE = 50 kSPS

VDD = 3 V, fSAMPLE = 10 kSPS

VDD = 2.5 V, fSAMPLE = 100 kSPS

VDD = 2.5 V, fSAMPLE = 50 kSPS

VDD = 2.5 V, fSAMPLE = 10 kSPS

VDD = 1.8 V, fSAMPLE = 100 kSPS

VDD = 1.8 V, fSAMPLE = 50 kSPS

VDD = 1.8 V, fSAMPLE = 10 kSPS

SCLK on or off, typically 8 nA

See the Power Consumption section

VDD = 3 V, fSAMPLE = 100 kSPS

VDD = 2.5 V, fSAMPLE = 100 kSPS

VDD = 1.8 V, fSAMPLE = 100 kSPS

VDD = 3 V

Rev. C | Page 4 of 28

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