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参数资料
| 型号： | TDA8779HB |
| 厂商： | NXP SEMICONDUCTORS |
| 元件分类： | 模拟信号调理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PQFP44 |
| 封装： | PLASTIC, QFP-44 |
| 文件页数： | 20/22页 |
| 文件大小： | 162K |
| 代理商： | TDA8779HB |
1999 Sep 16
7
Philips Semiconductors
Product specication
10-bit converter interface (ADC/DAC) for
quadrature transceiver
TDA8779H
VCC
voltage difference between
Tamb =25 °C
VCCA VCCD
0.2
+0.2
V
VCCA VCCO
0
2.8
V
VCCD VCCO
0
2.8
V
ICCA
analog supply current
59
74
85
mA
ICCD
digital supply current
15
23
35
mA
ICCO
output stage supply current
ramp input;
fCLK =20MHz
715
mA
ICCA1(stb)
analog standby current for
the ADC part
0.7
3
mA
ICCA2(stb)
analog standby current for
the DAC part
2.5
5
mA
ADC part
CLOCK INPUT
VIL
LOW-level input voltage
Tamb =25 °C0
0.8
V
VIH
HIGH-level input voltage
Tamb =25 °C
2.0
VCCD1
V
IIL
LOW-level input current
10
+10
A
IIH
HIGH-level input current
10
+10
A
DIGITAL INPUTS: PINS OE AND STDBYA
VIL
LOW-level input voltage
Tamb =25 °C0
0.8
V
VIH
HIGH-level input voltage
Tamb =25 °C
2.0
VCCD1
V
IIL
LOW-level input current
10
+10
A
IIH
HIGH-level input current
10
+10
A
ANALOG INPUTS
IIL
LOW-level input current
for code 0
91
A
IIH
HIGH-level input current
for code 1023
80
A
Vi(p-p)
analog input voltage
(peak-to-peak value)
full-scale
1.52
1.57
1.62
V
Vi(p-p)over
maximum analog input
overvoltage
(peak-to-peak value)
overvoltage for
fi = 4.43 MHz;
Tamb =25 °C
3.0
V
ZI
input impedance
10
k
CI
input capacitance
3
pF
DIGITAL OUTPUTS: D0A TO D9A
VOL
LOW-level output voltage
Io =1mA
0
0.5
V
VOH
HIGH-level output voltage
Io = 1mA
VCCO 0.5
VCCO
V
IoZ
output current in 3-state
mode
0.5V<Vo <VCCO 0.5 V 20
+20
A
SWITCHING CHARACTERISTICS;Tamb =25 °C (see Fig.3)
fCLK(max)
maximum clock frequency
20
MHz
tCH
clock pulse width HIGH
20
ns
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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