AD9277BSVZ Analog Devices Inc, AD9277BSVZ Datasheet - Page 44

• Manufacturer Part Number: AD9277BSVZ
• Description: IC ADC 14BIT LNA/VGA/AAF 100TQFP
• Manufacturer: Analog Devices Inc
• Type: Ultrasound Receiversr

Specifications of AD9277BSVZ

• Resolution (bits): 14 b
• Data Interface: Serial, SPI™
• Sampling Rate (per Second): 10M ~ 50M
• Voltage Supply Source: Analog and Digital
• Voltage - Supply: 1.8V, 3V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 100-TQFP Exposed Pad, 100-eTQFP, 100-HTQFP, 100-VQFP
• Sampling Rate: 50MSPS
• Input Channel Type: Single Ended
• Supply Voltage Range - Digital: 1.7V To 1.9V
• Supply Current: 365mA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

AD9277
Addr.
(Hex)
0x19
0x1A
0x1B
0x1C
0x21
0x22
0x2B
0x2C
0x2D
Register Name
user_patt1_lsb
user_patt1_msb
user_patt2_lsb
user_patt2_msb
serial_control
serial_ch_stat
flex_filter
analog_input
CW Doppler
I/Q demodulator
phase
Bit 7
(MSB)
B7
B15
B7
B15
LSB first
1 = on
0 = off
(default)
X
X
X
X
Bit 6
B6
B14
B6
B14
X
X
Enable
automatic
low-pass
tuning
1 = on
(self-
clearing)
X
X
Bit 5
B5
B13
B5
B13
X
X
X
X
X
Bit 4
B4
B12
B4
B12
X
X
X
CW
Doppler
channel
enable
1 = on
0 = off
X
Rev. 0 | Page 44 of 48
Bit 3
B3
B11
B3
B11
<10
MSPS,
low
encode
rate
mode
1 = on
0 = off
(default)
X
High-pass filter cutoff
0000 = f
0001 = f
0010 = f
0011 = f
0100 = f
0101 = f
0110 = f
0111 = f
X
I/Q demodulator phase
0000 = 0°
0001 = 22.5°
0010 = 45°
0011 = 67.5°
0100 = 90°
0101 = 112.5°
0110 = 135°
0111 = 157.5°
1000 = 180°
1001 = 202.5°
1010 = 225°
1011 = 247.5°
1100 = 270°
1101 = 292.5°
1110 = 315°
1111 = 337.5°
LP
LP
LP
LP
LP
LP
LP
LP
/20.7
/11.5
/7.9
/6.0
/4.9
/4.1
/3.5
/3.1
Bit 2
B2
B10
B2
B10
Serial bit stream length
000 = 14 bits (default, normal
bit stream)
001 = 8 bits
010 = 10 bits
011 = 12 bits
100 = 14 bits
X
X
Bit 1
B1
B9
B1
B9
Channel
output
reset
1 = on
0 = off
(default)
LO-x, LOSW-x
connection
00 = (−)LNA output,
high-Z
01 = (−)LNA output,
(−)LNA output
10 = (−)LNA output,
(+)LNA output
11 = high-Z, high-Z
Bit 0
(LSB)
B0
B8
B0
B8
Channel
power-
down
1 = on
0 = off
(default)
Default
Value
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
Comments
Pattern 1, LSB
(global).
Pattern 1, MSB
(global).
Pattern 2, LSB
(global).
Pattern 2, MSB
(global).
Serial stream
control (global).
Used to power
down individual
sections of a
converter (local).
Filter cutoff
(global).
(f
filter cutoff
frequency.)
LNA active
termination/input
impedance
(global).
Phase of
demodulators
(local).
User-Defined
User-Defined
User-Defined
User-Defined
LP
= low-pass