AD9874BST AD [Analog Devices], AD9874BST Datasheet - Page 10

• Manufacturer Part Number: AD9874BST
• Description: IF Digitizing Subsystem
• Manufacturer: AD [Analog Devices]

AD9874
(VDDI = VDDF = VDDA = VDDC = VDDL = VDDD = VDDH = VDDx, VDDQ = VDDP = 5.0 V, f
T
TPC 10a. Noise Figure vs. BW (Mini-
mum Attenuation, f
TPC 12a. IMD vs. IFIN (f
1
2
3
Data taken with Toko FSLM series 10 µH inductors
High Bias corresponds to LNA_Mixer Setting of 33 in SPI Register 0x01
Low Bias corresponds to LNA_Mixer Setting of 12 in SPI Register 0x01
A
–100
–110
–120
–130
–30
–40
–50
–60
–70
–80
–90
= 25 C, LO = –5 dBm, LO and CLK Synthesizer Disabled, 16-Bit Data with AGC and DVGA enabled, unless otherwise noted.)
10.0
11.5
11.0
10.5
10.0
9.5
9.0
8.5
8.0
7.5
9.5
9.0
8.5
8.0
7.5
7.0
–45
TPC 11a. Noise Figure vs. VGA
Attenuation (f
10
0
I/Q DATA
I/Q DATA
24-BIT
16-BIT
–42
CHANNEL BANDWIDTH – kHz
–39
VGA ATTENUATION – dB
3
BW = 12.04kHz
–36
(K = 0, M = 8)
IFIN – dBm
PIN
BW = 27.08kHz
CLK
(K = 0, M = 3)
100
–33
LOW BIAS
CLK
6
= 13 MSPS)
ENABLED
I/Q DATA
w/ DVGA
= 13 MSPS)
HIGH BIAS
–30
CLK
16-BIT
(K = 0, M = 15)
BW = 6.78kHz
= 13 MSPS)
–27
9
–24
1000
12
–5
–10
–15
–20
–25
–30
–35
–40
–45
TPC 10b. Noise Figure vs. BW (Mini-
mum Attenuation, f
TPC 11b. Noise Figure vs. VGA
Attenuation (f
TPC 12b. IMD vs. IFIN (f
–100
–110
–120
–130
–30
–40
–50
–60
–70
–80
–90
10.0
9.5
9.0
8.5
8.0
7.5
–45
14
13
12
11
10
9
8
7
10
0
16-BIT DATA
–42
CHANNEL BANDWIDTH – kHz
–39
VGA ATTENUATION – dB
3
CLK
(K = 0, M = 2)
BW = 50kHz
–36
IFIN – dBm
–10–
(K = 0, M = 1)
= 18 MSPS)
BW = 75kHz
PIN
100
–33
LOW BIAS
CLK
6
24-BIT DATA
16-BIT DATA
ENABLED
= 18 MSPS)
–30
HIGH BIAS
CLK
w/ DVGA
= 18 MSPS)
(K = 0, M = 9)
–27
BW = 15kHz
9
CLK
= 18 MSPS, f
–24
1000
12
–5
–10
–15
–20
–25
–30
–35
–40
–45
IF
TPC 10c. Noise Figure vs. BW (Mini-
mum Attenuation, f
TPC 12c. IMD vs. IFIN (f
= 109.56 MHz, f
–100
–110
–120
–130
–30
–40
–50
–60
–70
–80
–90
10.0
9.5
9.0
8.5
8.0
7.5
–45
TPC 11c. Noise Figure vs. VGA
Attenuation (f
14
13
12
11
10
9
8
7
10
0
BW = 90.28kHz
–42
(K = 1, M = 2)
16-BIT DATA
CHANNEL BANDWIDTH – kHz
–39
VGA ATTENUATION – dB
3
L O
–36
= 107.4 MHz,
IFIN – dBm
BW = 135.42kHz
1
(K = 1, M = 1)
PIN
CLK
100
–33
LOW BIAS
CLK
6
= 26 MSPS)
16-BIT DATA
ENABLED
w/ DVGA
= 26 MSPS)
–30
CLK
HIGH BIAS
= 26 MSPS)
BW = 27.08kHz
(K = 1, M = 9)
–27
9
24-BIT DATA
REV. 0
–24
1000
12
–5
–10
–15
–20
–25
–30
–35
–40
–45