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ADT7516 Datasheet(PDF) 6 Page - Analog Devices

Part No. ADT7516
Description  SPI/I2C Compatible, Temperature Sensor, Four Channel ADC and Quad Voltage Output DAC
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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ADT7516 Datasheet(HTML) 6 Page - Analog Devices

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ADT7516/ADT7517/ADT7519
Rev. A | Page 6 of 44
Parameter1
Min
Typ
Max
Unit
Conditions/Comments
POWER REQUIREMENTS
VDD
2.7
5.5
V
VDD Settling Time
50
ms
VDD settles to within 10% of its final voltage level.
IDD (Normal Mode)11
3
mA
VDD = 3.3 V, VIH = VDD, and VIL = GND.
2.2
3
mA
VDD = 5 V, VIH = VDD, and VIL = GND.
IDD (Power-Down Mode)
10
µA
VDD = 3.3 V, VIH = VDD, and VIL = GND.
10
µA
VDD = 5 V, VIH = VDD, and VIL = GND.
Power Dissipation
10
mW
VDD = 3.3 V. Normal mode.
33
µW
VDD = 3.3 V. Shutdown mode.
1 See the
section.
Terminology
2 DC specifications are tested with the outputs unloaded.
3 Linearity is tested using a reduced code range: ADT7516 (Code 115 to 4095); ADT7517 (Code 28 to 1023); ADT7519 (Code 8 to 255).
4 Guaranteed by design and characterization, not production tested.
5 Round robin is the continuous sequential measurement of the following channels: VDD, internal temperature, external temperature (AIN1, AIN2), AIN3, and AIN4.
6 For the amplifier output to reach its minimum voltage, the offset error must be negative. For the amplifier output to reach its maximum voltage (VREF = VDD), the offset
plus gain error must be positive.
7 The 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.
8 Guaranteed by design, not production tested.
9 All input signals are specified with tr = tf = 5 ns (10% to 90% of VDD), and timed from a voltage level of 1.6 V.
10 Measured with the load circuit shown in Figure 4.
11 The IDD specification 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
Table 2. VDD = 2.7 V to 5.5 V, RL = 4.7 kΩ to GND; CL = 200 pF to GND; 4.7 kΩ to VDD; all specifications TMIN to TMAX, unless
otherwise noted.
Parameter1, 2
Min
Typ3
Max
Unit
Conditions/Comments
Output Voltage Settling Time
VREF = VDD = 5 V.
ADT7519
6
8
µs
1/4 scale to 3/4 scale change (40h to C0h).
ADT7517
7
9
µs
1/4 scale to 3/4 scale change (100h to 300h).
ADT7516
8
10
µs
1/4 scale to 3/4 scale change (400h to C00h).
Slew Rate
0.7
V/µs
Major-Code Change Glitch Energy
12
nV-s
1 LSB change around major carry.
Digital Feedthrough
0.5
nV-s
Digital Crosstalk
1
nV-s
Analog Crosstalk
0.5
nV-s
DAC-to-DAC Crosstalk
3
nV-s
Multiplying Bandwidth
200
kHz
VREF = 2 V ±0.1 V p-p.
Total Harmonic Distortion
–70
dB
VREF = 2.5 V ±0.1 V p-p. Frequency = 10 kHz.
1 See
section.
Terminology
2 Guaranteed by design and characterization, not production tested.
3 @ 25°C.
SCL
t4
t2
t1
t3
t5
t6
SDA
DATA IN
SDA
DATA OUT
Figure 2. I2C Bus Timing Diagram


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