AD9271BSVZRL-25 Analog Devices Inc, AD9271BSVZRL-25 Datasheet - Page 47

• Manufacturer Part Number: AD9271BSVZRL-25
• Description: IC ADC OCT 12BIT 25MSPS 100-TQFP
• Manufacturer: Analog Devices Inc

Specifications of AD9271BSVZRL-25

• Number Of Bits: 12
• Sampling Rate (per Second): 25M
• Data Interface: Serial, SPI™
• Number Of Converters: 8
• Power Dissipation (max): 1.06W
• Voltage Supply Source: Single Supply
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 100-TQFP Exposed Pad
• Power Dissipation Pd: 150mW
• Peak Reflow Compatible (260 C): Yes
• Supply Voltage: 1.8V
• Sample Rate: 25 MSPS
• Termination Type: SMD
• Supply Voltage Max: 1.9V
• Input Channels Per Adc: 8
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: AD9271-50EBZ - BOARD EVALUATION AD9271 50MSPS
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

0.1UF
470K
8
4
R30
C30
0.1UF
1
4.7UF
3
C30
2
C30
TRIM/N C
0.1UF
ADR510ART Z
3
C30
VSENSE_DUT
AVDD_3.3V
VREF_DUT
V-
CW
CWD0-
+
CWD1-
+
CWD2-
+
CWD3-
+
CWD4-
+
CWD5-
+
D
E
LOSW
LOSW
CWD0
CWD1
CWD2
CWD3
CWD4
CWD5
D
D
AVD
E
LO-
LO-
U302
V+
Figure 77. Evaluation Board Schematic, DUT, VREF, and Gain Circuitry
100
101
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98
99
1
CWD0-
CWD1-
CWD2-
RBIAS
RAVDD
CWD3-
CWD4-
CWD5-
D
D
+
+
+
D
-
+
E
F
REFB
REFT
+
+
+
E
E
PAD
GAIN
LOSW
SENS
VRE
LOSW
CWVD
GAIN
LO-
LO-
CWD0
CWD1
CWD2
CWD3
CWD4
CWD5
AVD D
0-DN P
R31 1
Rev. B | Page 47 of 60
R31 2
DNP
R31 3
DNP
Remove C307 when
using external Vref
Vref Selec t
0-DN P
0-DN P
R31 5
R31 6
R31 7
0
Vref=0.5V(1+R313/R312)
Vref = External
Vref=1V
+
+
+
+
+
+
+
+
DOUTD
DOUTD
-
DOUTG
DOUTG
-
DOUTH
DOUTH
-
DRVDD
DOUTA
DOUTA
-
DOUTB
DOUTB
-
DOUTC
DOUTC
-
DOUTE
DOUTE
-
DRVDD
STDBY
DOUTF
DOUTF
-
DCO+
D
N
FCO+
DCO-
FCO-
AVD
PDW
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DRVDD_DUT
AVD D
CHA
CHA
CHB
CHB
CHC
CHC
CHD
CHD
FCO
FCO
DCO
DCO
CHE
CHE
CHF
CHF
CHG
CHG
CHH
CHH
DRVDD_DUT
06304-088
AD9271