TDA8783M View Datasheet(PDF) - Philips Electronics
Part Name
Description
View to exact match
TDA8783M Datasheet PDF : 16 Pages
| |||
Philips Semiconductors
True logarithmic amplifier
Product specification
TDA8780M
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
SYMBOL
PARAMETER
VP
Vi
Tamb
Tstg
supply voltage
input voltage all other pins referenced to ground
operating ambient temperature
IC storage temperature
MIN.
−0.3
−0.3
−20
−55
MAX.
+6.0
VP + 0.3
+75
+150
UNIT
V
V
°C
°C
HANDLING
Inputs and outputs are protected against electrostatic discharge in normal handling. However, to be totally safe, it is
desirable to take normal precautions appropriate to handling MOS devices.
ESD in accordance with “MIL STD 883C” - “Method 3015”.
CHARACTERISTICS
VP = 5 V; Tamb = 25 °C; Vref = 2.5 V; Vin at fin = 10.7 MHz; Rg = 3.3 kΩ; output not loaded; unless otherwise specified.
Signal values expressed as peak voltages mV (peak), µV (peak) or dBm (50 Ω).
SYMBOL
PARAMETER
CONDITIONS
MIN. TYP. MAX. UNIT
Supply
VP
supply voltage
4.5
IP
supply current
VP = 5.5 V; Vin = 1 V
−
VP = 5.0 V; Vin = 1 V
−
IP(PD)
supply current in power-down
output not loaded
−
RL = 10 kΩ
−
tsw
switching time
see Fig.6
−
Reference input (pin 8)
Vref
external reference voltage input
2.0
Rref
external reference resistance input
−
Inputs (pins 1 and 20)
fin
input operating frequency
note 1
1.0
Rdiff
differential small-signal input
Vin = 10 mV
−
resistance
Cdiff
differential input capacitance
−
Vin(min) input voltage level at start of
−
logarithmic characteristic
Vin(top) input voltage level at top end of
−
logarithmic characteristic
Vin(max) maximum input signal voltage
input protection diodes not
−
conducting
∆Vin
input voltage level spread across over whole Tamb and VP range −
logarithmic range
5.0
5.5
V
5.4
6.7
mA
4.9
6.2
mA
40
200
µA
100 250
µA
70
−
µs
2.5
VP − 2.0 V
40
−
kΩ
10.7 15
10
−
2
−
60
−
300 −
1
−
±2.5 −
MHz
kΩ
pF
µV
mV
V
dB
1995 Jul 25
6
|
|
Share Link: 