External Audio Signal Electrical Specifications

Table 22: External AudioSignals - Electrical Specifications

Name

Min

Typ

Max

Unit

Notes

XMICP

XMICN

2.2

kQ

Input AC impedance

1

Vpp

Maximum signal level

2.1

V

Output DC level

500

pA

Bias current

XEARP

XEARN

47

W

Output AC impedance (ref. GND)

10

pF

Series output capacitance (ref. GND)

1.18

1.25

Vpp

Output Swing*'

2.8

V

DC voltage (330k pull-up to VBB) (When acc. is not connected!)

HEADDET

9.15

uA

When accessory is not connected.

VIN

0

12

V

Charger Input Voltage

GND

0

0.3

V

Ground

Ouput swing @ OdBmO, GR = -6dB. OdBmO means input amplitude into receive path at 3.14 dB below overload point. Overload point would correspond to 1.8O VPP. The output is referenced around the common DC output voltage, 1.35V. Ref. GND.

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