參數(shù)資料
型號(hào)： PCD6003H
廠商： NXP SEMICONDUCTORS
元件分類： 通信及網(wǎng)絡(luò)
英文描述： Digital telephone answering machine chip
中文描述： SPECIALTY TELECOM CIRCUIT, PQFP80
封裝： PLASTIC, QFP-80
文件頁(yè)數(shù)： 79/96頁(yè)
文件大?。?/td> 385K
代理商： PCD6003H
2001 Apr 17
79
Philips Semiconductors
Product specification
Digital telephone answering machine chip
PCD6003
17.4
Analog supplies and general purpose ADC and DAC
Notes
1.
2.
V
BGP
output current is zero. Decoupling capacitance between V
BGP
and V
SSA
is 100 nF.
The V
REF
output current is zero however the V
REF
output buffer is loaded via V
MIC
(see note 3). Decoupling
capacitance between V
REF
and V
SSA
is between 1 and 100
μ
F, with a 100 nF capacitance in parallel. The output can
only source current (i.e. not sink).
Pin V
MIC
is connected to V
REF
via an internal switch. The V
MIC
switch is closed by setting SYMOD.4 = 1. The V
MIC
DC output current is max. 400
μ
A, and V
REF
must be programmed to its typical value. For the connections of V
MIC
to
a microphone (see Fig.36). V
MIC
adjustment can only be done by adjusting V
REF
.
Output resistances represent the theoretical maximum which can be guaranteed by design. Actual output resistance
values can vary depending on several conditions as processing, temperature and drive signal shape.
3.
4.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
V
BGP
V
REF(RESET)
V
REF(TUNED)
AVR bandgap voltage
reference voltage, after reset
reference voltage when tuned via
VREFR
V
REF
V
MIC
ADIN1 and ADIN2 input offset
voltage
ADIN1 and ADIN2 input voltage
range
ADIN1 and ADIN2 input
resistance
DAOUT output resistance
DAOUT output voltage range
note 1
note 2
1.15
1.9
1.23
2.0
30
1.30
2.1
V
V
mV
dV
MIC
V
ADIN,OFS
note 3
40
20
50
mV
mV
V
ADIN1,2
0
V
REF
mV
R
ADIN1,2
2
10
M
R
DAOUT
V
DAOUT
note 4
8
7
V
REF
k
mV
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