參數(shù)資料
型號: TDA7528
廠商: STMICROELECTRONICS
元件分類: 消費(fèi)家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP64
封裝: 10 X 10 MM, 1.40 MM HEIGHT, ROHS COMPLIANT, LQFP-64
文件頁數(shù): 19/65頁
文件大?。?/td> 610K
代理商: TDA7528
Electrical characteristics
TDA7528
Doc ID 13141 Rev 6
-
Pin diode source current
(I
≈ 1.5 mA * (exp(V
DD-
VAGCTC)-1))
AGC control pin 1
VAGCTC < 1 V
external resistor necessary
--
-10
mA
-
Min. voltage
AGC control pin
-
0.2
V
-
Pin diode source current in
constant current mode
-
-2
-1
mA
-
Max. voltage
AGC control pin 1
VCC-1.5
VCC-1.3
V
-
Max. source current
AGC control pin 2;
voltage output
-
-1
mA
-
Min. sink current
AGC control pin 2;
voltage output
90
-
A
-
Max. output voltage in analog
voltage mode (follower mode)
AGC control pin 2
@ Iload = 1 mA
VDD-0.3
-
VDD
V
-
Min. output voltage in analog
voltage mode
AGC control pin 2
@ Iload = -50 A
--
1
V
Vthrmin
Vthr_min
-
0.1
0.2
0.3
V
Vthrmax
Vthr_max
-
2.4
2.6
2.8
V
-
Step size of Vthr
6 bit
40
mV
DNL
Nonlinearity of Vthr
-
-0.5
0.5
LSB
-
TC current for 6 dB control
error
Mode T1
Mode T2
Mode T3
2.5
12
60
4
20
100
6.5
32
160
A
-
I attack in fast attack mode
@ 10 dB control error
Active if control deviation is
more than 7 dB
0.9
1.7
2.3
mA
-
Typical AGC time constant(1)
CAGCTC = 1F, mode T2
AGC conductance versus
VAGCTC= 20 dB/V
-15
-
ms
1.
The time constant is defined as the 1
τ value, means when the AGC is settled to 63% after a 6dB step
Table 12.
AM-AGC electrical characteristics (continued)
Symbol
Parameter
Test condition
Min.
Typ
Max
Units
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