Bridge (see Figure 3. Bridge application and test circuit).

Table 4. Electrical characteristics (bridge)

Symbol

Parameter

Test conditions

Min.

Typ. Max. Unit

VS

Supply voltage

1.8

15

V

Id

Total quiescent drain current

RL = ∞

15

mA

VOS

Output offset voltage between the outputs

RL = 8 Ω

±80

mV

Ib

Input bias current

100

nA

PO

Output power (f = 1 kHz, d = 10%)

RL = 32 Ω

VS = 9 V

1000

mW

VS = 6 V

320

400

VS = 4.5 V

200

VS = 3 V

50

65

VS = 2 V

8

RL = 16 Ω

VS = 6 V

800

mW

VS = 3 V

120

RL = 8 Ω

VS = 4.5 V

700

mW

VS = 3 V

220

RL = 4 Ω

VS = 3 V

350

mW

VS = 2 V

80

d

Distortion

RL = 8 Ω

PO = 0.5 mW, f = 1 kHz

0.2

%

GV

Closed loop voltage gain

f = 1 kHz

39

dB

Ri

Input resistance

f = 1 kHz

100

kΩ

eN

Total input noise

Rs =10 kΩ, B = curve A

2.5

µV

Rs = 10 kΩ, B = 22 Hz to 22 kHz

3

SVR

Supply voltage rejection

f = 100 Hz

40

dB

B

Power bandwidth (-3 dB)

RL = 8 kΩ, PO = 1 W

120

kHz

TDA2822D

Electrical characteristics

DS0119 - Rev 3

page 7/12