Datasheet > AD7811_15

AD7811_15

更新时间： 2022-02-26 14:01:17

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
24页	333K
描述
2.7 V to 5.5 V, 350 kSPS, 10-Bit 4-/8-Channel Sampling ADCs

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AD7811_15 数据手册

(V_DD= 2.7 V to 3.6 V, V_DD= 5 V ؎ 10%, GND = 0 V, V_REF= V_DD

[EXT]. All specifications –40؇C to +105؇C unless otherwise noted.)

AD7811/AD7812–SPECIFICATIONS

Parameter

Y Version

Unit

Test Conditions/Comments

f_IN= 30 kHz Any Channel, f_SAMPLE= 350 kHz

DYNAMIC PERFORMANCE

Signal to (Noise + Distortion) Ratio¹

Total Harmonic Distortion (THD)¹

Peak Harmonic or Spurious Noise¹

Intermodulation Distortion^{1, 2}

Second Order Terms

–66

–80

dB min

dB max

dB typ

V_REFInternal or External

fa = 29 kHz, fb = 30 kHz

–67

–80

dB max

dB typ

Third Order Terms

Channel-to-Channel Isolation^{1, 2}

f_IN= 20 kHz

Any Channel

DC ACCURACY

Resolution

Bits

Minimum Resolution for Which

No Missing Codes are Guaranteed

Relative Accuracy¹

Differential Nonlinearity¹

Gain Error¹

0.75

Bits

LSB max

Gain Error Match¹

Offset Error¹

Offset Error Match¹

ANALOG INPUT

Input Voltage Range

V min

V_REF

V max

µA max

pF max

Input Leakage Current²

Input Capacitance²

REFERENCE INPUTS²

V_REFInput Voltage Range

1.2

V_DD

V min

V max

µA max

pF max

Input Leakage Current

Input Capacitance

ON-CHIP REFERENCE

Reference Error

Temperature Coefficient

Nominal 2.5 V

2.5

% max

ppm/°C typ

LOGIC INPUTS²

V_INH, Input High Voltage

2.4

0.8

0.4

V min

V max

V min

V max

µA max

pF max

V_DD= 5 V 10%

V_DD= 3 V 10%

_INL, Input Low Voltage

_INH, Input High Voltage

V_INL, Input Low Voltage

Input Current, I_IN

Input Capacitance, C_IN

Typically 10 nA, V_IN= 0 V to V_DD

LOGIC OUTPUTS

Output High Voltage, V_OH

I_SOURCE= 200 µA

2.4

V min

V_DD= 5 V 10%

V_DD= 3 V 10%

Output Low Voltage, V_OL

I_SINK= 200 µA

0.4

V max

µA max

pF max

High Impedance Leakage Current

High Impedance Capacitance

CONVERSION RATE

Conversion time

2.3

200

µs max

ns max

Track/Hold Acquisition Time¹

REV. B

–2–

123 4 5 6 7...24

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