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參數(shù)資料
| 型號(hào)： | TDA8779H |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 模擬信號(hào)調(diào)理 |
| 英文描述： | 10-bit converter interface ADC/DAC for quadrature transceiver |
| 中文描述： | SPECIALTY ANALOG CIRCUIT, PQFP44 |
| 封裝： | PLASTIC, QFP-44 |
| 文件頁(yè)數(shù)： | 7/20頁(yè) |
| 文件大?。?/td> | 112K |
| 代理商： | TDA8779H |
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1999 Sep 16
7
Philips Semiconductors
Product specification
10-bit converter interface (ADC/DAC) for
quadrature transceiver
TDA8779H
V
CC
voltage difference between
V
CCA
V
CCD
V
CCA
V
CCO
V
CCD
V
CCO
analog supply current
digital supply current
output stage supply current
T
amb
= 25
°
C
0.2
0
0
59
15
74
23
7
+0.2
2.8
2.8
85
35
15
V
V
V
mA
mA
mA
I
CCA
I
CCD
I
CCO
ramp input;
f
CLK
= 20 MHz
I
CCA1(stb)
analog standby current for
the ADC part
analog standby current for
the DAC part
0.7
3
mA
I
CCA2(stb)
2.5
5
mA
ADC part
C
LOCK INPUT
V
IL
V
IH
I
IL
I
IH
D
IGITAL INPUTS
:
PINS
OE
AND
STDBYA
LOW-level input voltage
HIGH-level input voltage
LOW-level input current
HIGH-level input current
T
amb
= 25
°
C
T
amb
= 25
°
C
0
2.0
10
10
0.8
V
CCD1
+10
+10
V
V
μ
A
μ
A
V
IL
V
IH
I
IL
I
IH
A
NALOG INPUTS
LOW-level input voltage
HIGH-level input voltage
LOW-level input current
HIGH-level input current
T
amb
= 25
°
C
T
amb
= 25
°
C
0
2.0
10
10
0.8
V
CCD1
+10
+10
V
V
μ
A
μ
A
I
IL
I
IH
V
i(p-p)
LOW-level input current
HIGH-level input current
analog input voltage
(peak-to-peak value)
maximum analog input
overvoltage
(peak-to-peak value)
input impedance
input capacitance
for code 0
for code 1023
full-scale
1.52
91
80
1.57
1.62
μ
A
μ
A
V
V
i(p-p)over
overvoltage for
f
i
= 4.43 MHz;
T
amb
= 25
°
C
3.0
V
Z
I
C
I
D
IGITAL OUTPUTS
: D0A
TO
D9A
10
3
k
pF
V
OL
V
OH
I
oZ
LOW-level output voltage
HIGH-level output voltage
output current in 3-state
mode
I
o
= 1 mA
I
o
=
1 mA
0.5 V < V
o
< V
CCO
0.5 V
20
0
V
CCO
0.5
0.5
V
CCO
+20
V
V
μ
A
S
WITCHING CHARACTERISTICS
; T
amb
= 25
°
C (see Fig.3)
f
CLK(max)
maximum clock frequency
t
CH
clock pulse width HIGH
20
20
MHz
ns
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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