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ADIS16250/ADIS16255

Rev. B | Page 3 of 20

SPECIFICATIONS

= −40°C to +85°C, V

= 5.0 V, angular rate = 0°/sec, ±1 g, ±320°/sec range setting, unless otherwise noted.

Table 1.

Parameter Conditions Min Typ Max Unit

SENSITIVITY

Clockwise rotation is positive output

25°C, dynamic range = ±320°/sec

0.07326 °/sec/LSB

25°C, dynamic range = ±160°/sec 0.03663 °/sec/LSB

25°C, dynamic range = ±80°/sec 0.01832 °/sec/LSB

Initial Tolerance 25°C, dynamic range = ±320°/sec ±0.2 ±1 %

Temperature Coefficient ADIS16250 (see Figure 8) 225 ppm/°C

ADIS16255 (see Figure 11) 25 ppm/°C

Nonlinearity Best fit straight line 0.1 % of FS

BIAS

In Run Bias Stability 25°C, 1σ 0.016 °/sec

Turn-On-to-Turn-On Bias Stability 25°C, 1σ 0.05 °/sec

Angular Random Walk 25°C, 1σ 3.6 °/√hour

Temperature Coefficient ADIS16250 (see Figure 7) 0.03 °/sec/°C

ADIS16255 (see Figure 10) 0.005 °/sec/°C

Linear Acceleration Effect Any axis 0.2 °/sec/g

Voltage Sensitivity V

= 4.75 V to 5.25 V 1.0 °/sec/V

NOISE PERFORMANCE

Output Noise At 25°C, ±320°/sec range, no filtering 0.48 °/sec rms

At 25°C, ±160°/sec range, 4-tap filter setting 0.28 °/sec rms

At 25°C, ±80°/sec range, 16-tap filter setting 0.14 °/sec rms

Rate Noise Density

At 25°C, f = 25 Hz, ±320°/sec range,

no filtering

0.056 °/sec/√Hz rms

FREQUENCY RESPONSE

3 dB Bandwidth

See the

Analog Bandwidth section for

adjustment

50 Hz

Sensor Resonant Frequency 14 kHz

SELF-TEST STATE

Change for Positive Stimulus 320°/sec dynamic range setting 439 721 1092 LSB

Change for Negative Stimulus 320°/sec dynamic range setting −439 −721 −1092 LSB

Internal Self-Test Cycle Time 20 ms

TEMPERATURE SENSOR

Output at 25°C 0 LSB

Scale Factor 6.88 LSB/°C

ADC INPUT

Resolution 12 Bits

Integral Nonlinearity ±2 LSB

Differential Nonlinearity ±1 LSB

Offset Error ±4 LSB

Gain Error ±2 LSB

Input Range 0 2.5 V

Input Capacitance During acquisition 20 pF

ON-CHIP VOLTAGE REFERENCE 2.5 V

Accuracy At 25°C −10 +10 mV

Temperature Coefficient ±40 ppm/°C

Output Impedance 70 Ω

1 2 3 4 5 6 7 8 ... 19 20

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