AN2905FHQ Datasheet, PDF (4/9 Pages) Panasonic Semiconductor – Sound input/output interface IC for digital still camera

AN2905FHQ
I Recommended Operating Range
Parameter
Symbol
Range
Unit
Supply voltage
V_CCH
4.50 to 5.00
V
V_CC
2.70 to 3.30
V_CC-SP
2.70 to 5.00
I Electrical Characteristics at V_CCH = 4.9 V, V_CC-SP = 4.3 V, V_CC = 3.1 V, T_a = 25°C
Parameter
Symbol
Conditions
Min Typ Max Unit
Circuit current
Circuit current without signal
(1A) (V_CC-system)
I_VCCA Without signal
Circuit current without signal
(2A) (V_CCH-system)
I_VCCHA Without signal
Circuit current without signal
(3A) (V_CC-SP-system)
I_VCCSA Without signal
Circuit current without signal
(1B) (V_CC-system)
I_VCCB I/O power save
Circuit current without signal
(2B) (V_CCH-system)
I_VCCHB I/O power save
Circuit current without signal
(3B) (V_CC-SP-system)
I_VCCSB SP power save
Circuit current without signal
(3C) (V_CCH-system)
I_VCCHC SP power save
Circuit current without signal
(3D) (V_CCH-system)
I_VCCHD SP, I/O power save
Circuit current without signal
(1C) (V_CC-system)
I_VCCC Microphone amp. off
Power supply for microphone
2.2 3.2 4.2 mA
2.8 3.8 4.8 mA
1.0 3.0 6.0 mA
 0.5 1.5 mA
 1.8 2.8 mA
 0.7 1.7 mA
 3.0 4.0 mA
 1.8 2.8 mA
 1.8 2.8 mA
Microphone supply voltage
V_MIC Output current = −5 mA
1.8 2.0 2.2 V
Microphone amp. characteristics: Microphone amp. input → Microphone amp. output
Output level
Output THD 1
V_ROM
TH_ROM1
V_IN = −37 dBS, 1 kHz
V_IN = −37 dBS, 1 kHz,
up to 5th harmonic
−9 −8 −7 dBS
 0.02 0.10 %
Output noise
Output THD 2
N_ROM Without input, using A-curve filter
TH_ROM2 V_IN = −33 dBS, 1 kHz,
up to 5th harmonic
 −89 −84 dBS
 0.02 1.0 %
Rec. AGC characteristics: AGC input → Rec. input
Rec. reference output level A
Rec. reference output THD 1A
V_ROA
TH_ROA
V_IN = −38 dBS, 1 kHz
V_IN = −38 dBS, 1 kHz,
up to 5th harmonic
−13.3 −12.3 −11.3 dBS
 0.01 0.10 %
Rec. output noise voltage A
VN_ROA Without input, using A-curve filter
 −81 −75 dBS
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SDB00078AEB