ATR4251 Datasheet, PDF (10/21 Pages) ATMEL Corporation – Low-noise, High-dynamicrange AM/FM Antenna Amplifier IC

7. Electrical Characteristics (Continued)
See Test Circuit, Figure 8-1 on page 11; V_S = 10V, T_amb = 25°C, unless otherwise specified. Pin numbers in () are referred to the QFN
package.
No. Parameters
Test Conditions
Pin
Symbol Min.
Typ.
Max.
Unit Type*
5.7 Input capacitance
F = 100 MHz
18 (19)
C_Pin18
1.5
1.75
1.9
pF
D
Figure 9-2 on page 13,
5.8 IP3 at AGC input
100 MHz and 105 MHz, 18 (19)
150
dBµV
D
V_Gen = 120 dBµV
5.9 IP3 at AGC input
900 MHz and 920 MHz
V_Gen = 120 dBµV
18 (19)
148
dBµV
D
5.10 Max. AGC sink current V_iHF = 0V
16
I_Pin16
–11
–9
–7
µA
C
5.11 Transconductance
V_iHF = V_th1,100,
dI_Pin16(16) / dU_Pin18(19)
dI_Pin16 /
dU_Pin18
0.8
1.0
1.3
mA/V
(rms)
C
5.12 Gain AGC1, AGC2
U_Pin16 = 3V,
dU_Pin5(3) / dU_Pin16(16),
–dU_Pin6(4) / dU_Pin16(16)
0.5
0.56
0.6
C
*) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter
Notes: 1. Leakage current of PIN diode can be adjusted by an external resistor between pin 11 and VS
2. Demo board measurements (see Figure 8-1 on page 11 “Common Emitter Configuration”)
3. Demo board measurements (see Figure 9-1 on page 12 “Common Base Configuration”)
10 ATR4251
4913I–AUDR–03/08