TS4855_04 STMICROELECTRONICS [STMicroelectronics], TS4855_04 Datasheet - Page 6

• Manufacturer Part Number: TS4855_04
• Description: LOUDSPEAKER & HEADSET DRIVER WITH VOLUME CONTROL
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

TS4855
5
6/27
I
I
Voo
Vil
Vih
Po
THD + N Total Harmonic Distortion + Noise
SNR
PSRR
G2
G1
Symbol
CC
STANDBY
ELECTRICAL CHARACTERISTICS
5)
Table 4: Electrical characteristics at VCC = +5.0 V, GND = 0 V, Tamb = 25°C
Supply Current, all gain @ max settings
Output Mode 1, Vin = 0 V, no load
Output Mode 1, Vin = 0 V, loaded (8 )
Output Mode 2,3,4,5,6,7 Vin = 0 V, no loads
Output mode 2,3,4,5,6,7 Vin = 0 V, loaded (8 , 32 )
Standby Current
Output Mode 0
Output Offset Voltage (differential)
Output Mode 1 to 7, Vin = 0 V, no load, Speaker Out
Output Mode 2 to 7 Vin = 0 V, no loads, Headset Out
“Logic low” input Voltage
“Logic high” input Voltage
Output Power
SPKR
R
R
SPKR
R
SPKR
Signal To Noise Ratio
A-Weighted, f = 1 kHz
Power Supply Rejection Ratio
SPKR
Gain (BTL) = 12 dB, Output mode 1,3,5,7
R
Maximum gain setting, Output mode 2,3
R
Maximum gain setting, Output mode 4,5
R
Maximum gain setting, Output mode 6,7
Digital Gain Range (Rin & Lin) to R
Digital Gain Range (Phone In HS) to R
Digital Gain Stepsize
Stepsize Error
out
out
out
out
out
out
& L
& L
& L
& L
& L
& L
out
out
out
out
out
out
out
;Vripple = 200 mV Vpp, F = 217 Hz, Input Terminated 50
out
out
out
, RL = 8
, Po = 800 mW, f = 1 kHz, RL = 8
, Po = 400 mW, 20 Hz < f < 20 kHz, RL = 8
;Vripple = 200 mV Vpp, F = 217 Hz, Input Terminated 50
;Vripple = 200 mV Vpp, F = 217 Hz, Input Terminated 50
;Vripple = 200 mV Vpp, F = 217 Hz, Input Terminated 50
, RL = 32
, Po = 70 mW, f = 1 kHz, RL = 32
, Po = 50 mW, 20 Hz < f < 20 kHz, RL = 32
THD+N = 1%, f = 1 kHz
THD+N = 0.5%, f = 1 kHz
(unless otherwise specified)
Parameter
out
, L
out
out
, L
out
Electrical Characteristics
-34.5
-40.5
Min.
800
1.4
70
58
52
50
46
0
± 0.6
1100
Typ.
0.75
100
4.0
5.5
8.0
0.5
0.5
0.5
1.5
10
80
62
61
58
53
5
5
Max.
0.4
12
20
40
12
11
8
9
1
6
2
5
Unit
mW
mA
mV
µA
dB
dB
dB
dB
dB
dB
%
V
V