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TDA9901TS Datasheet PDF : 18 Pages
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NXP Semiconductors
TDA9901
Wideband differential digital controlled variable gain amplifier
11. Characteristics
Table 6. Characteristics
VDDA = V11 to V12 = 4.75 V to 5.25 V; VDDD = V18 to V17 = 3.0 V to 5.25 V; VSSA and VSSD shorted together;
Tamb = −40 °C to +85 °C; typical values measured at VCCA = 5.0 V; VCCD = 3.3 V and Tamb = 25 °C unless otherwise specified
[1].
Symbol Parameter
Conditions
Min
Typ
Max
Unit
Supplies
VDDA
analog supply voltage
VDDD
digital supply voltage
∆VDD
supply voltage difference VDDA − VDDD
IDDA
analog supply current
IDDD
digital supply current
Ptot
total power dissipation
Variable gain amplifier transfer characteristics
4.75
5.0
3.0
3.3
−0.2
-
-
30
-
3.0
-
160
5.25
V
5.25
V
+2.5
V
36
mA
5.0
mA
216
mW
B_3dB
td(grp)
∆td(grp)
ts
−3 dB bandwidth
group delay time
group delay time
variation
settling time
Gstep
step of gain
Vo(dif)(p-p) = 0.125 V;
Tamb = 25 °C
up to fi = 20 MHz; minimum
gain; Tamb = 25 °C
6 dB gain step;
Tamb = 25 °C
10 % to 90 % maximum
output transition;
CL(max) = 5 pF on each
output; Tamb = 25 °C
DC input:
Tamb = 25 °C
all temperatures
110
-
-
-
5.88
5.6
130
2.5
-
-
6.09
6.09
-
-
300
3.6
6.28
6.56
MHz
ns
ps
ns
dB
dB
Gmin
minimum gain
DC input:
Tamb = 25 °C
all temperatures
5.78
6.11
6.40
dB
5.7
6.11
6.46
dB
Gmax
maximum gain
DC input:
Tamb = 25 °C
all temperatures
29.9
30.5
30.9
dB
29.3
30.5
31.5
dB
∆G/∆T
gain variation with
temperature
minimum gain
maximum gain
-
−1.0
-
mdB/°C
-
−7.5
-
mdB/°C
∆G/∆VCC
gain variation with
supply voltage
minimum gain
-
15
25
mdB/V
∆Vi(offset)
offset input voltage
variation
6 dB gain step
-
0.8
-
mV
NF
noise figure
Rs = 100 Ω; fi = 20 MHz
minimum gain
-
29.1
-
dB
maximum gain
-
9.9
-
dB
TDA9901_4
Product data sheet
Rev. 04 — 14 August 2008
© NXP B.V. 2008. All rights reserved.
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