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DAC1653Q Datasheet(HTML) 55 Page - Integrated Device Technology

Part No. DAC1653Q
Description  Quad 16-bit DAC: 10 Gbps JESD204B interface: up to 1.50
Download  101 Pages
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Maker  IDT [Integrated Device Technology]
Homepage  http://www.idt.com
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DAC1653Q Datasheet(HTML) 55 Page - Integrated Device Technology

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DAC1653Q/DAC1658Q
© IDT 2013. All rights reserved.
Advance data sheet
Rev. 1.03 — 13 May 2013
55 of 101
Integrated Device Technology
DAC1653Q/DAC1658Q
Quad 16-bit DAC: 10 Gbps JESD204B interface; up to 1.50 Gsps
11.5 Temperature sensor
The DAC165xQ embeds a temperature sensor to monitor the temperature inside the chip.
This module is based on a 6-bit resolution ADC clocked at DAC_CLK / (8
 TS_CLKDIV).
The mode of measurements is configurable as a one shot measurement, continuous
measurements or continuous measurements with alarm flag held in case of temperature
exceeding a preset threshold. In continuous mode, the measurement is done every
TS_TIMER cycles. The TEMPS_LVL specifies the threshold level that is compared with
the measured value. If the measured value exceeds the threshold, the TEMP_ALARM
flag is set and triggers a mute action . The maximum and minimum temperatures
measured are stored in registers TEMP_MAXand TEMP_MIN . The current temperature
is stored in register TEMP_ACTUAL . Once the TEMP_ALARM flag is set, it must be reset
using the TEMP_SENS_RST_ALARM bit of the temperature sensor control register. The
maximum and minimum temperature can also be reset using bits
TEMP_SENS_RST_MAX and TEMP_SENS_RST_MIN of the temperature sensor control
register .
The value stored in the maximum, current, and minimum registers represents the output
value of the ADC. This value must be matched to the real temperature.
(19)
Where:
 = <tbd>
Fig 33. Temperature sensor
ALARM
TEMP_SENS_RST_MAX
TEMP_SENS_RST_MIN
TEMP_ALARM
TEMP_SENS_TOGGLE
TEMP_SENS_FULL_RANGE
TEMP_SENS_MODE
one shot meas.
continous meas.
continous meas. + hold alarm
TEMP_SEL_MAN
TEMP_ACTUAL
TEMP_MAX
TEMP_MIN
TEMP_SENS_PON
TEMPERATURE SENSOR
TEMP_SENS_CLK_DIV TEMP_SENS_TIMER
TEMP_RST_ALARM
T (
C  ADC_value
=


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