AD9874BST AD [Analog Devices], AD9874BST Datasheet - Page 8

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

TPC 4a. CDF of Maximum VGA
Attenuation “Clip Point” (VDDx = 3.0 V,
High Bias
TPC 5a. CDF of Minimum VGA
Attenuation “Clip Point” (VDDx = 3.0 V,
High Bias
AD9874
(VDDI = VDDF = VDDA = VDDC = VDDL = VDDD = VDDH = VDDx, VDDQ = VDDP = 5.0 V, f
T
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
= 25 C, LO = –5 dBm, LO and CLK Synthesizer Disabled, 16-Bit Data with AGC and DVGA enabled, unless otherwise noted.)
100
80
60
40
20
100
100
TPC 6a. CDF of Supply Current
(VDDx = 3.0 V, High Bias
0
80
60
40
20
80
60
40
20
0
0
18.5 19.0 19.5 20.0 20.5 21.0 21.5 22.0
–40 C
–31.6
–19.4 –19.2 –19.0 –18.8 –18.6 –18.4
2
–40 C
2
)
)
SUPPLY CURRENT – mA
–31.4 –31.2 –31.0 –30.8 –30.6 –30.4
IFIN CLIP POINT – dBm
IFIN CLIP POINT – dBm
–40 C
+25 C
+25 C
+85 C
+25 C
+85 C
2
+85 C
)
TPC 4b. Maximum VGA Attenuation
“Clip Point” vs. Supply (High Bias
TPC 5b. Minimium VGA Attenuation
“Clip Point” vs. Supply (High Bias
–17.5
–18.0
–18.5
–19.0
–19.5
–20.0
–20.5
–29.5
–30.0
–30.5
–31.0
–31.5
–32.0
16
14
12
10
TPC 6b. Supply Current vs. f
(VDDx = 3.0 V, High Bias
2.7
2.7
8
6
4
2
0
13
(IDDD, IDDC, AND IDDL)
(IDDA, IDDF, AND IDDI)
15
DIGITAL
ANALOG
3.0
17
3.0
–8–
f
VDDx – V
VDDx – V
CLK
19
– MHz
+25 C
+85 C
–40 C
DIGITAL INTERFACE
21
3.3
3.3
(IDDH)
CLK
23
2
+85 C
+25 C
–40 C
)
= 18 MSPS, f
CLK
25
2
2
3.6
3.6
)
)
IF
TPC 4c. Maximum VGA Attenuation
“Clip Point” vs. Supply (Low Bias
TPC 5c. Minimium VGA Attenuation
“Clip Point” vs. Supply (Low Bias
= 109.56 MHz, f
TPC 6c. Supply Current vs. Supply
(High Bias
–17.5
–18.0
–18.5
–19.0
–19.5
–20.0
–20.5
–29.5
–30.0
–30.5
–31.0
–31.5
–32.0
18
16
14
12
10
8
6
4
2
0
2.7
2.7
2.7
2
)
LO
3.0
3.0
3.0
= 107.4 MHz,
1
(IDDA, IDDF, AND IDDI)
VDDx – V
VDDx – V
VDDx – V
(IDDD, IDDC, AND IDDL)
DIGITAL INTERFACE
+85 C
+25 C
–40 C
ANALOG
(IDDH)
DIGITAL
3.3
3.3
3.3
+85 C
+25 C
–40 C
REV. 0
3
3
3.6
)
)
3.6
3.6