Datasheet > ADT7519_15

ADT7519_15

更新时间： 2022-02-26 12:22:37

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
44页	3247K
描述
SPI-/IC-Compatible, Temperature Sensor, 4-Channel ADC and Quad Voltage Output

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ADT7519_15 数据手册

ADT7516/ADT7517/ADT7519

Parameter¹

Min

Typ

Max

Unit

μA

μW

Conditions/Comments

I_DD(Power-Down Mode)

V_DD= 3.3 V, V_IH= V_DD, and V_IL= GND

V_DD= 5 V, V_IH= V_DD, and V_IL= GND

V_DD= 3.3 V, normal mode

Power Dissipation

V_DD= 3.3 V, shutdown mode

¹See the Terminology section.

²DC specifications are tested with the outputs unloaded.

³Linearity is tested using a reduced code range: ADT7516 (Code 115 to 4095); ADT7517 (Code 28 to 1023); ADT7519 (Code 8 to 255).

⁴Guaranteed by design and characterization, not production tested.

⁵Round robin is the continuous sequential measurement of the following channels: V_DD, internal temperature, external temperature (AIN1, AIN2), AIN3, and AIN4.

⁶For the amplifier output to reach its minimum voltage, the offset error must be negative. For the amplifier output to reach its maximum voltage (V_REF= V_DD), the offset

plus gain error must be positive.

⁷The SDA and SCL timing is measured with the input filters turned on to meet the fast mode I²C specification. Switching off the input filters improves the transfer rate

but has a negative effect on the EMC behavior of the part.

⁸Guaranteed by design, not production tested. All I²C timing specifications are for fast mode operation but the interface is still capable of handling the slower standard

rate specifications.

The interface is also capable of handling the I²C standard mode rise time specification of 1000 ns.

¹⁰All input signals are specified with tr = tf = 5 ns (10% to 90% of V_DD), and timed from a voltage level of 1.6 V.

¹¹Measured with the load circuit shown in Figure 4.

¹²The I_DDspecification is valid for all DAC codes and full-scale analog input voltages. Interface inactive. All DACs and ADCs active. Load currents excluded.

DAC AC CHARACTERISTICS

V_DD= 2.7 V to 5.5 V, R_L= 4.7 kΩ to GND, C_L= 200 pF to GND, 4.7 kΩ to V_DD, all specifications T_MINto T_MAX, unless otherwise noted.

Table 2.

Parameter^{1, 2}

Min

Typ³

Max

Unit

Conditions/Comments

Output Voltage Settling Time

ADT7519

ADT7517

V_REF= V_DD= 5 V

μs

1/4 scale to 3/4 scale change (0x40 to 0xC0)

1/4 scale to 3/4 scale change (0x100 to 0x300)

1/4 scale to 3/4 scale change (0x400 to 0xC00)

ADT7516

Slew Rate

0.7

0.5

V/μs

nV-s

kHz

Major-Code Change Glitch Energy

Digital Feedthrough

Digital Crosstalk

Analog Crosstalk

DAC-to-DAC Crosstalk

Multiplying Bandwidth

Total Harmonic Distortion

1 LSB change around major carry

200

–70

V_REF= 2 V 0.1 V p-p

V_REF= 2.5 V 0.1 V p-p; frequency = 10 kHz

¹See the Terminology section.

²Guaranteed by design and characterization, not production tested.

³At 25°C.

Rev. B | Page 6 of 44

1...3 4 567 8 9...44

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