AD9246BCPZ-125 Analog Devices Inc, AD9246BCPZ-125 Datasheet - Page 26

• Manufacturer Part Number: AD9246BCPZ-125
• Description: IC ADC 14BIT 125MSPS 48-LFCSP
• Manufacturer: Analog Devices Inc

Specifications of AD9246BCPZ-125

• Data Interface: Serial, SPI™
• Design Resources: Using AD8376 to Drive Wide Bandwidth ADCs for High IF AC-Coupled Appls (CN0002) Driving AD9233/46/54 ADCs in AC-Coupled Baseband Appls (CN0051)
• Number Of Bits: 14
• Sampling Rate (per Second): 125M
• Number Of Converters: 3
• Power Dissipation (max): 425mW
• Voltage Supply Source: Single Supply
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 48-VFQFN, CSP Exposed Pad
• Resolution (bits): 14bit
• Sampling Rate: 125MSPS
• Input Channel Type: Differential, Single Ended
• Supply Voltage Range - Analog: 1.7V To 1.9V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: AD9246-125EBZ - BOARD EVAL FOR 125MSPS AD9246AD9246-105EBZ - BOARD EVAL FOR 105MSPS AD9246
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

AD9246
Addr.
(Hex)
Flexible ADC Functions
10
0D
14
16
18
1
External output enable (OEB) pin must be high.
Parameter Name
offset
test_io
output_mode
output_phase
VREF
Bit 7
(MSB)
Output Driver
Configuration
00 for DRVDD = 2.5 V to
3.3 V (Default)
10 for DRVDD = 1.8 V
Output Clock
Polarity
1 = inverted
0 = normal
(Default)
Internal Reference
Resistor Divider
00—VREF = 1.25 V
01—VREF = 1.5 V
10—VREF = 1.75 V
11—VREF = 2.00 V
(Default)
Bit 6
Open
Bit 5
Digital Offset Adjust<5:0>
011111
011110
011101
…
000010
000001
000000
111111
111110
111101
...
100001
100000
PN23
0 =
normal
(Default)
1 = reset
Open
Open
Open
Rev. A | Page 26 of 44
PN9
0 =
normal
(Default)
1 =
reset
Output
Disable
1—
disabled
0—
enabled
Open
Open
Bit 4
1
Bit 3
Open
Open
Open
Global Output Test Options
000—off (Default)
001—midscale short
010—+FS short
011—−FS short
100—checker board output
101—PN 23 sequence
110—PN 9
111—one/zero word toggle
Output
Data
Invert
1 =
invert
Open
Open
Bit 2
Offset in LSBs
+31
+30
+29
+2
+1
0 (Default)
1
−2
−3
−31
−32
Data Format Select
00—offset binary
(default)
01—twos
complement
10—Gray Code
Open
Open
Bit 1
Bit 0
(LSB)
Open
Open
Default
Value
(Hex)
0x00
0x00
0x00
0x00
0xC0
Default Notes/
Comments
Adjustable for
offset inherent
in the converter.
See the
Accessible
Features
section.
See the
Interfacing to
High Speed
ADCs via SPI
User
Configures the
outputs and
the format of
the data.
See the
Accessible
Features
section.
See the
Accessible
Features
section.
Manual.
SPI-
SPI-
SPI-