UBA1702A View Datasheet(PDF) - Philips Electronics
Part Name
Description
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UBA1702A Datasheet PDF : 24 Pages
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Philips Semiconductors
Line interrupter driver and ringer
Product specification
UBA1702; UBA1702A
QUICK REFERENCE DATA
Speech part: lline = 20 mA; DPI = LOW; Tamb = 25 °C; VEE = 0 V; unless otherwise specified.
Ringer part: Vline(rms) = 45 V; f = 25 Hz; using an RC combination of 2.2 kΩ and 820 nF and a diode bridge between the
line and the RPI input.
SYMBOL
PARAMETER
CONDITIONS
MIN. TYP. MAX. UNIT
Speech part
SWITCH DRIVER AND REFERENCES (PINS SDI, SDO, EHI AND DPI); UBA1702A ONLY
RSDO
resistance between pins SDO and VEE
−
2.2
−
kΩ
SWITCH DRIVER AND REFERENCES (PINS SDI, SDO, EHI AND DPI); UBA1702 AND UBA1702A
RSDI-SDO resistance between pins SDI and SDO VSDI − VSDO < 12 V
−
1.1
−
MΩ
RSDI
resistance between pins SDI and VEE VSDI = 240 V; DPI = HIGH 5
−
−
MΩ
MUTE SWITCH AND ADJUSTABLE PROTECTION ZENER VOLTAGE (PINS MSI, MSA AND ZPA)
VSPO(M)
VSPO(Z)
adjustable mute voltage referenced to
VEE
adjustable zener voltage referenced to
VEE
MSI = HIGH;
MSA open-circuit
MSI = LOW;
ZPA open-circuit
−
2.7
3
V
11
12
13
V
CURRENT MANAGEMENT (PINS SPI, SPO, CDA, CLA AND CDO)
lSPI(lim)
ISPI(det)
current limitation (pin SPI)
current detection (pin SPI)
CLA shorted to VEE
CDA open-circuit
−
120 −
mA
2
3
4
mA
MICROCONTROLLER SUPPLY (VDD AND VBB)
VDD
supply output voltage referenced to VBB > 3.7 V; IDD = −1 mA 3.0
3.3
3.6
V
VSS
Ringer part
PROTECTION (PIN RPI)
IRPI(max) maximum input current
70
−
−
mA
RINGER THRESHOLD AND FREQUENCY DETECTION (PINS VRR, RTA AND RFO)
VRR(th)
ringer supply threshold voltage
referenced to VSS
RTA open-circuit
−
11
−
V
VOLUME CONTROL (PINS RV0, RV1 AND RV2)
∆Gs
step resolution
∆Gls
last step resolution
(RV2, RV1, RV0) from
−
(0, 0, 0) to (1, 1, 0); note 1
(RV2, RV1, RV0) from
−
(1, 1, 0) to (1, 1, 1); note 2
6
−
dB
9.5
12
dB
RINGER MELODY INPUT AND PIEZO DRIVER (PINS RMI, ROA AND ROB)
Vo(max p−p) maximum output voltage between pins RV2 = 1; RV1 = 1; RV0 = 1 −
ROA and ROB (peak-to-peak value)
28.7 32
V
Notes
1. Independent of VRR if greater than 10 V.
2. Without piezo transducer, dependent on VRR.
1997 Sep 29
3
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