參數(shù)資料
型號(hào): UPD9611
廠商: NEC Corp.
元件分類(lèi): Codec
英文描述: FOUR-CHANNEL PCM CODEC
中文描述: 四通道的PCM編解碼器
文件頁(yè)數(shù): 16/28頁(yè)
文件大?。?/td> 161K
代理商: UPD9611
μ
PD9611
16
DC CHARACTERISTICS
(T
A
= –20 to +85
°
C, V
DD
= 5
±
0.25 V, GND = 0 V, f
DCLK
= 2048 kHz, and all output pins are unloaded.)
(1) Power consumption
Item
Symbol
Condition
MIN.
TYP.
MAX.
Unit
Circuit current
I
DD
All channels in normal operation
23
30
mA
Power-down circuit current
I
DDPD
All channels in power-down mode
5
6
(2) Digital interface
Item
Symbol
Condition
MIN.
TYP.
MAX.
Unit
Digital input current
I
ID
D
R
, DCLK, FSC, LAW, PD1, PD2, PD3,
PD4, SP
CLK
, SP
SYNC
, SP
DATA
, RST
Each pin 0
V
DIN
V
DD
–10
+10
μ
A
3-state leakage current
I
L
D
X
pin 0
V
DIN
V
DD
–10
+10
High level output voltage
V
OH
D
X
pin I
OH
= –150
μ
A
V
DD
–0.3
V
Low level output voltage
V
OL
D
X
pin I
OL
= 0.8 mA
0.4
Digital output pin output capacitance
C
OD
f = 1 MHz, 0 V other than unmeasured pins
15
pF
Digital input pin input capacitance
C
ID
f = 1 MHz, 0 V other than unmeasured pins
10
(3) Transmit amplifier (A
IN
1, A
IN
2, A
IN
3, A
IN
4 pins)
Item
Symbol
Condition
MIN.
TYP.
MAX.
Unit
Input bias current
I
B
–10
+10
μ
A
Input resistance
R
IN
1
M
Input capacitance
C
IN
10
pF
(4) Receive power amplifier (A
OUT
1, A
OUT
2, A
OUT
3, A
OUT
4 pins)
Item
Symbol
Condition
MIN.
TYP.
MAX.
Unit
Output offset voltage
V
OA
D
R
= +0 code
ACOM as reference
–50
+50
mV
Maximum output voltage
V
OM
ACOM as reference
–1.02
+1.02
V
Output resistance
R
OUT
1
(5) Signal reference voltage output (ACOM
OUT
1, ACOM
OUT
2, ACOM
OUT
3, ACOM
OUT
4 pins)
Item
Symbol
Condition
MIN.
TYP.
MAX.
Unit
Output voltage
V
ACOM
2.35
2.4
2.45
V
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