ADC1415S125/DB,598 NXP Semiconductors, ADC1415S125/DB,598 Datasheet - Page 22

BOARD DEMO FOR ADC1415S125

ADC1415S125/DB,598

Manufacturer Part Number
ADC1415S125/DB,598
Description
BOARD DEMO FOR ADC1415S125
Manufacturer
NXP Semiconductors
Type
A/Dr

Specifications of ADC1415S125/DB,598

Number Of Adc's
1
Number Of Bits
14
Sampling Rate (per Second)
125M
Data Interface
Serial, SPI™
Inputs Per Adc
1 Differential
Input Range
1 ~ 2 Vpp
Power (typ) @ Conditions
840mW @ 125Msps
Voltage Supply Source
Single Supply
Operating Temperature
-40°C ~ 85°C
Utilized Ic / Part
ADC1415S125
Product
Data Conversion Development Tools
Conversion Rate
125 MSPS
Resolution
14 bit
Interface Type
SMA
For Use With/related Products
ADC1415S125
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Other names
568-5094
NXP Semiconductors
ADC1415S_SER
Product data sheet
Fig 18. Internal reference, 2 V (p-p) full scale
Fig 20. External reference, 1 V (p-p) to 2 V (p-p)
full-scale
11.3.2 Programmable full-scale
11.3.3 Common-mode output voltage (V
11.3.4 Biasing
V
330 pF
SENSE
VREF
VDDA
0.1 μF
SENSE
Figure 18
required reference voltage source.
The full-scale is programmable between 1 V (peak-to-peak) to 2 V (peak-to-peak)
(see
Table 12.
A 0.1 μF filter capacitor should be connected between pin VCM and ground.
The common-mode input voltage (V
buffer bias current can be set to one of three levels (high, medium or low) via the SPI (see
Table
VREF
INTREF
000
001
010
011
100
101
110
111
EQUIVALENT
REFERENCE
Table
SCHEMATIC
22).
REFERENCE
EQUIVALENT
SCHEMATIC
to
Reference SPI Gain Control
12).
005aaa116
Figure 21
005aaa119
All information provided in this document is subject to legal disclaimers.
Single 14-bit ADC; input buffer; CMOS or LVDS DDR digital outputs
Rev. 4 — 17 December 2010
illustrate how to connect the SENSE and VREF pins to select the
Gain
0 dB
−1 dB
−2 dB
−3 dB
−4 dB
−5 dB
−6 dB
reserved
Fig 19. Internal reference, 1 V (p-p) full scale
Fig 21. Internal reference via SPI, 1 V (p-p) to 2 V (p-p)
I(cm)
O(cm)
) on pins INP and INM is set internally. The input
full-scale
)
330 pF
330
pF
Full-scale (p-p)
2 V
1.78 V
1.59 V
1.42 V
1.26 V
1.12 V
1 V
x
ADC1415S series
SENSE
SENSE
VREF
VREF
EQUIVALENT
REFERENCE
SCHEMATIC
EQUIVALENT
REFERENCE
SCHEMATIC
005aaa117
005aaa118
© NXP B.V. 2010. All rights reserved.
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