–2–

REV. A

AD1864–SPECIFICATIONS

unless otherwise noted)

Min

Typ

Max

Units

RESOLUTION

18

Bits

DIGITAL INPUTS

2.0

V

0.8

V

1.0

µA

–10

µA

Clock Input Frequency

12.7

MHz

ACCURACY

Gain Error

0.4

1.0

% of FSR

Interchannel Gain Matching

0.3

0.8

% of FSR

Midscale Error

4

mV

Interchannel Midscale Matching

5

mV

Gain Linearity Error (0 dB to –90 dB)

<2

dB

DRIFT (0

°C to +70°C)

Gain Drift

±25

ppm of FSR/

°C

Midscale Drift

±4

ppm of FSR/

°C

TOTAL HARMONIC DISTORTION + NOISE*

0 dB, 990.5 Hz

AD1864N, P

0.004

0.006

%

AD1864N-J, P-J

0.003

0.004

%

AD1864N-K

0.0017

0.0025

%

—20 dB, 990.5 Hz

AD1864N, P

0.010

0.040

%

AD1864N-J, P-J

0.010

0.020

%

AD1864N-K

0.010

0.020

%

—60 dB, 990.5 Hz

AD1864N, P

1.0

4.0

%

AD1864N-J, P-J

1.0

2.0

%

AD1864N-K

1.0

2.0

%

CHANNEL SEPARATION*

0 dB, 990.5 Hz

110

115

dB

SIGNAL-TO-NOISE RATIO*

(20 Hz to 30 kHz) N, N-J, N-K

102

108

dB

P, P-J

95

108

dB

D-RANGE* (WITH A-WEIGHT FILTER)

–60 dB, 990.5 Hz

AD1864N, P

88

100

dB

AD1864N-J, P-J

94

100

dB

AD1864N-K

94

100

dB

OUTPUT

Voltage Output Configuration

Output Range (

±3%)

2.88

±3.0

3.12

V

Output Impedance

0.1

Ω

Load Current

± 8mA

Short-Circuit Duration

Indefinite to Common

Current Output Configuration

Bipolar Output Range (

±30%)

±1mA

Output Impedance (

±30%)

1.7

k

Ω

POWER SUPPLY

4.75

5.0

13.2

V

–13.2

–5.0

–4.75

V

22

25

mA

–23

–28

mA

POWER DISSIPATION,

±V

±V

±5 V

225

265

mW

TEMPERATURE RANGE

Specification

0

+25

+70

°C

Operation

–25

+70

°C

Storage

–60

+100

°C

WARM-UP TIME

1

min

Specifications shown in boldface are tested on production units at final test without optional MSB adjustment.

*Tested in accordance with EIAJ Test Standard CP-307 with 18-bit data.

Specifications subject to cha

nge without notice.