TEF6730A_1 © NXP B.V. 2007. All rights reserved.
Product data sheet Rev. 01 — 21 February 2007 38 of 58
NXP Semiconductors
TEF6730A
Front-end for digital-IF car radio
V
i(max)(M)
peak maximum input
voltage
1 dB compression point of
IF AGC amplifier output
voltage; data byte CONTROL
bit IFGAIN = 0
V
IFAGCMSB
=LOW;
V
IFAGCLSB
=LOW
45 - - mV
V
IFAGCMSB
=LOW;
V
IFAGCLSB
= HIGH
90 - - mV
V
IFAGCMSB
= HIGH;
V
IFAGCLSB
= HIGH
180 - - mV
V
IFAGCMSB
= HIGH;
V
IFAGCLSB
=LOW
360 - - mV
FM mode; inputs: pins FMIFAGCIN1 and IFAGCDEC
[12]
; outputs: pins IFOUT1 and IFOUT2
[11]
R
i
input resistance - 330 - Ω
C
i
input capacitance - 5 7 pF
R
o
output resistance 120 210 290 Ω
G gain data byte CONTROL bit
IFGAIN = 0
V
IFAGCMSB
=LOW;
V
IFAGCLSB
=LOW
28 31 34 dB
V
IFAGCMSB
=LOW;
V
IFAGCLSB
= HIGH
22 25 28 dB
V
IFAGCMSB
= HIGH;
V
IFAGCLSB
= HIGH
16 19 22 dB
V
IFAGCMSB
= HIGH;
V
IFAGCLSB
=LOW
10 13 16 dB
data byte CONTROL bit
IFGAIN = 1
V
IFAGCMSB
=LOW;
V
IFAGCLSB
=LOW
34 37 40 dB
V
IFAGCMSB
=LOW;
V
IFAGCLSB
= HIGH
28 31 34 dB
V
IFAGCMSB
= HIGH;
V
IFAGCLSB
= HIGH
22 25 28 dB
V
IFAGCMSB
= HIGH;
V
IFAGCLSB
=LOW
16 19 22 dB
NF noise figure R
source
= 300 Ω; data byte
CONTROL bit IFGAIN = 0;
V
IFAGCMSB
=LOW;
V
IFAGCLSB
=LOW
- 6.9 8.5 dB
IP3 third-order intercept
point
data byte CONTROL bit
IFGAIN = 0
110 115 - dBµV
Table 36. Dynamic characteristics
…continued
V
CCA
= 8.5 V; T
amb
=25
°
C; see Figure 25; all AC values are given in RMS; unless otherwise specified.
Symbol Parameter Conditions Min Typ Max Unit
