ISL55211_14 Datasheet, PDF (5/20 Pages) Intersil Corporation – Wideband, Low Noise, Low Distortion, Fixed Gain Differential Amplifier

ISL55211
Electrical Specifications V_S+ = +3.3V Test Conditions: G = 12dB, V_CM = open, V_O = 2V_P-P, R_L = 200Ω differential, T_A = +25°C,
differential input, differential output, input and output referenced to internal default V_CM (1.2V nominal) unless otherwise specified. (Continued)
PARAMETER
CONDITIONS
MIN
MAX
(Note 6) TYP (Note 6) UNIT TESTED
Power-down Quiescent Current
Input Bias Current
T_A = +25°C
T_A = -40°C to +85°C
PD = 0V, current positive into pin
0.2
0.3
0.4
mA
*
0.15
0.45
mA
-5
1
+5
µA
Input Impedance
2 || 5
MΩ || pF
Turn-on Time Delay
Measured to output on
200
ns
Turn-off Time Delay
Measured to output off
400
ns
NOTE:
6. Compliance to datasheet limits is assured by one or more methods: production test, characterization, and/or design.
VI
1:n
50
INPUT
RT
ISL55211
500
RG
+
-
RG
500
TABLE 1. ISL55211 INTENDED TRANSFORMER + INTERNAL GAIN
SETTINGS
INPUT
XFMR
TURNS
RATIO
1:1.4
INTERNAL
R_G VALUE
(Ω)
250
GAIN (V/V)
V_O/V_I
2.8
GAIN (dB)
V_O/V_I
9
R_T VALUE (Ω)
TO GET 50Ω
MATCH
122
VO
1:1.4
125
5.6
15
162
1:1.4
100
7
17
192
1:2
250
4
12
333
1:2
125
8
18
1020
1:2
100
10
20
Open
FIGURE 2. INTENDED CONFIGURATION
5
FN7868.0
June 21, 2011